Uu.Nl uu.nl

Osiris.Uu.Nl

osiris.uu.nl receives about 154,232 unique visitors and 586,083 (3.80 per visitor) page views per day which should earn about $2,431.34/day from advertising revenue. Estimated site value is $1,774,877.15. According to Alexa Traffic Rank osiris.uu.nl is ranked number 19,505 in the world and 0.0034% of global Internet users visit it. Site is hosted in Utrecht, Provincie Utrecht, 3512, Netherlands and links to network IP address 131.211.19.155. This server supports HTTPS and doesn't support HTTP/2.

About - osiris.uu.nl


Technologies used on Website

Currently Not Available

osiris.uu.nl Profile

Title: OSIRIS -
Description: Nieuws en agenda, informatie over de universiteit, onderwijs en onderzoek en een scholierensite voor aankomende studenten.
Last update was 130 days ago
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*HypeStat.com is not linking to, promoting or affiliated with uu.nl in any way. Only publicly available statistics data are displayed.

How popular is osiris.uu.nl?

154.2K daily visitors
Is this your site?
Verify your site's metrics.
Daily Unique Visitors:
154,232
Monthly Unique Visitors:
3,701,568
Pages per Visit:
3.80
Daily Pageviews:
586,083
Alexa Rank:
19,505 visit alexa
Alexa Reach:
0.0034%   (of global internet users)
Avg. visit duration:
n/a
Bounce rate:
n/a
*All traffic values are estimates only.

Alexa Traffic Ranks
Search Traffic

Visitors by country

Users%Pageviews%Rank
Netherlands 53.0%72.3%176
United States 4.2%2.0%88660
India 3.9%1.7%50273
Nigeria 3.0%2.1%5524
Ethiopia 2.3%1.4%1094
Pakistan 1.2%1.3%17800
Iran 1.0%1.0%37078
Indonesia 0.9%0.5%19640
Bangladesh 0.8%0.5%11994
Malaysia 0.5%0.1%21456

Where do visitors go on this site?

Reach%Pageviews%PerUser
uu.nl
28.80%31.41%4.7
cs.uu.nl
19.36%18.14%4.0
services.uu.nl
14.98%3.98%1.1
science.uu.nl
13.52%10.66%3.4
students.uu.nl
12.15%10.66%3.8
library.uu.nl
11.23%3.68%1.4
adfs.uu.nl
9.00%2.09%1
osiris.uu.nl
8.09%6.08%3
jira.uu.nl
5.68%2.70%2
dub.uu.nl
3.20%1.30%2
solismail.uu.nl
0.42%0.20%2
OTHER
0%9.10%0

Competitive Data

SEMrush
Domain:
  osiris.uu.nl
Rank:
(Rank based on keywords, cost and organic traffic)
  n/a
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00
Adwords Keywords:
(Keywords a website is buying in Google AdWords for ads that appear in paid search results)
  0
Adwords Traffic:
(Number of visitors brought to the website via paid search results)
  0
Adwords Cost:
(Estimated budget spent for buying keywords in Google AdWords for ads that appear in paid search results - monthly estimation)
  $0.00

+ Moz Data

Domain Authority:
  n/a
Page Authority:
  n/a
MozRank:
  n/a

+ How socially engaged is osiris.uu.nl?

Facebook:
  0
Google +:
  0
Linkedin:
  0
Stumbles:
  0
Buffer:
  0
Pins:
  0

+ Ad Experience Report

Summary of the ad experience rating of a site for a specific platform.

Desktop summary

Root domain:
uu.nl
Region:
(The Ad Standard region to which this site has been assigned.)
Pending
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed


Mobile summary

Last Change Time:
(The last time that the site changed status.)
2018-03-06 16:06:46
Region:
(The Ad Standard region to which this site has been assigned.)
Pending
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Passing

+ Abusive Experience Report

Root domain:
uu.nl
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

+ How much osiris.uu.nl can earn?

Daily Revenue:
$2,431.34
Monthly Revenue:
$72,940.20
Yearly Revenue:
$887,439.10
*All earnings values are estimates only.

Daily earning by country

PageviewsEarning
Netherlands 423,738$2,156.83
United States 11,722$134.45
Ethiopia 8,205$67.69
Nigeria 12,308$32.25
India 9,963$15.94
Pakistan 7,619$8.08
Iran 5,861$6.80
Bangladesh 2,930$3.93
Indonesia 2,930$3.60
Malaysia 586$1.78

How much money do osiris.uu.nl lose due to Adblock?

Daily Revenue Loss:
$403.31
Monthly Revenue Loss:
$12,099.20
Yearly Revenue Loss:
$147,206.96
Daily Pageviews Blocked:
82,526
Monthly Pageviews Blocked:
2,475,790
Yearly Pageviews Blocked:
30,122,117
*All earnings values are estimates only.

Daily revenue loss by country

BlockedLost Money
Netherlands 72,035$366.66
United States 2,110$24.20
India 2,790$4.46
Pakistan 2,438$2.58
Indonesia 1,700$2.09
Ethiopia 164$1.35
Iran 938$1.09
Nigeria 246$0.64
Malaysia 47$0.14
Bangladesh 59$0.08

How much is osiris.uu.nl worth?

Website Value:
$1,774,877.15

+ Where is osiris.uu.nl hosted?

Server IP:
131.211.19.155
ASN:
AS1103 
ISP:
SURFnet bv 
Server Location:
Utrecht
Provincie Utrecht, UT
3512
Netherlands, NL
 

Other sites hosted on 131.211.19.155

There are no other sites hosted on this IP

+ How fast does osiris.uu.nl load?

Average Load Time:
(2539 ms) 30 % of sites are slower

Page Speed (Google PageSpeed Insights) - Desktop

84
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a AVERAGE speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

First Contentful Paint (FCP)1.1s 72% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 72% 23% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 23% 3% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 3%
First Input Delay (FID)7ms 99% of loads for this page have a fast (<100ms) First Input Delay (FID) 99% 0% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%

Origin Data

All pages served from this origin have an FAST speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

First Contentful Paint (FCP)664ms 86% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 86% 11% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 11% 2% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 2%
First Input Delay (FID)8ms 99% of loads for this page have a fast (<100ms) First Input Delay (FID) 99% 0% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%

Lab Data

Speed Index 2.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First CPU Idle 0.8 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Learn more.
First Contentful Paint 0.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Performance budget
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more.
First Meaningful Paint 0.8 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more.
Max Potential First Input Delay 20 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task. Learn more.
Time to Interactive 0.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Minimize third-party usage
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more.
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Estimated Input Latency 10 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. Learn more.

Screenshot Thumbnails

This is what the load of your site looked like.

Avoids enormous network payloads - Total size was 114 KB
Large network payloads cost users real money and are highly correlated with long load times. Learn more.

URL
Size
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.min.js
35 KB
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
32 KB
https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js
25 KB
https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css
6 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.imgareaselect.pack.js
5 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentCommon.js?v=1.1
3 KB
https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do
3 KB
https://osiris.uu.nl/osiris_student_uuprd/image/Engelsevlag.jpg
1 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentHelp.js
1 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/myimage.js
1 KB
Minimizes main-thread work - 0.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.

Category
Time Spent
Script Evaluation
39 ms
Other
30 ms
Style & Layout
17 ms
Parse HTML & CSS
10 ms
Script Parsing & Compilation
9 ms
Rendering
6 ms
Serve images in next-gen formats - Potential savings of 27 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.

URL
SizePotential Savings
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
32 KB27 KB
Avoids an excessive DOM size - 170 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). Learn more.

Statistic
ElementValue
Total DOM Elements
170
Maximum DOM Depth
24
Maximum Child Elements
25
Avoid multiple page redirects - Potential savings of 480 ms
Redirects introduce additional delays before the page can be loaded. Learn more.

URL
Time Spent
(Initial: http://osiris.uu.nl/)
0
https://osiris.uu.nl/
190
https://osiris.uu.nl/osiris_student_uuprd
150
https://osiris.uu.nl/osiris_student_uuprd/
70
https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do
70
Keep request counts low and transfer sizes small - 16 requests • 114 KB
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Resource Type
RequestsTransfer Size
Total
16114 KB
Script
670 KB
Image
334 KB
Stylesheet
16 KB
Document
23 KB
Other
41 KB
Media
00 KB
Font
00 KB
Third-party
00 KB
Eliminate render-blocking resources - Potential savings of 190 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.

URL
SizePotential Savings
https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css
6 KB70
https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js
25 KB110
Efficiently encode images - Potential savings of 24 KB
Optimized images load faster and consume less cellular data. Learn more.

URL
SizePotential Savings
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
32 KB24 KB
Network Requests
Lists the network requests that were made during page load.

URL
Start TimeEnd TimeTransfer SizeResource SizeStatus CodeMIME TypeResource Type
http://osiris.uu.nl/
0 ms433 ms0 KB0 KB302
https://osiris.uu.nl/
433 ms985 ms0 KB0 KB302text/html
https://osiris.uu.nl/osiris_student_uuprd
986 ms1539 ms0 KB0 KB302text/html
https://osiris.uu.nl/osiris_student_uuprd/
1539 ms2245 ms1 KB0 KB302text/html
https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do
2245 ms2534 ms3 KB8 KB200text/htmlDocument
https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css
2544 ms2697 ms6 KB26 KB200text/cssStylesheet
https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js
2544 ms2834 ms25 KB87 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/cabo/images/t.gif
2544 ms3120 ms0 KB0 KB200image/gifImage
https://osiris.uu.nl/osiris_student_uuprd/image/Engelsevlag.jpg
2545 ms2699 ms1 KB1 KB200image/jpegImage
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentHelp.js
2700 ms2844 ms1 KB1 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentCommon.js?v=1.1
2846 ms3420 ms3 KB9 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.min.js
2846 ms3428 ms35 KB91 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.imgareaselect.pack.js
2846 ms3430 ms5 KB8 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/myimage.js
2846 ms2989 ms1 KB0 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/cabo/images/t.gif
2849 ms3417 ms0 KB0 KB200image/gifDocument
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
2852 ms3127 ms32 KB32 KB200image/jpegImage
Serve static assets with an efficient cache policy - 3 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more.

URL
Cache TTLSize
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
0 ms32 KB
https://osiris.uu.nl/osiris_student_uuprd/image/Engelsevlag.jpg
0 ms1 KB
https://osiris.uu.nl/osiris_student_uuprd/cabo/images/t.gif
0 ms0 KB
Tasks
Lists the toplevel main thread tasks that executed during page load.

Start Time
End Time
2560 ms
6 ms
2863 ms
11 ms
2875 ms
11 ms
3443 ms
6 ms
3460 ms
16 ms
3476 ms
14 ms
3494 ms
15 ms
JavaScript execution time - 0.0 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.

URL
Total CPU TimeScript EvaluationScript Parse
Other
60 ms3 ms2 ms
Properly size images
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.

Remove unused CSS
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity. Learn more.

Avoid chaining critical requests - 7 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.

Preload key requests
Consider using `` to prioritize fetching resources that are currently requested later in page load. Learn more.

Minify JavaScript
Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.

User Timing marks and measures
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences. Learn more.

Use video formats for animated content
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes. Learn more.

Server response times are low (TTFB) - Root document took 290 ms
Time To First Byte identifies the time at which your server sends a response. Learn more.

Enable text compression
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.

Network Round Trip Times - 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance. Learn more.

All text remains visible during webfont loads
Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.

Preconnect to required origins
Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. Learn more.

Minify CSS
Minifying CSS files can reduce network payload sizes. Learn more.

Server Backend Latencies - 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance. Learn more.

Defer offscreen images
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn more.


Page Speed (Google PageSpeed Insights) - Mobile

90
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a AVERAGE speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

First Contentful Paint (FCP)1.3s 72% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 53% 42% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 42% 3% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 3%
First Input Delay (FID)284ms 0% of loads for this page have a fast (<100ms) First Input Delay (FID) 0% 95% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 95% 3% of loads for this page have a slow (>300ms) First Input Delay (FID) 3%

Origin Data

All pages served from this origin have an AVERAGE speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

First Contentful Paint (FCP)814ms 81% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 81% 15% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 15% 2% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 2%
First Input Delay (FID)279ms 99% of loads for this page have a fast (<100ms) First Input Delay (FID) 0% 96% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 96% 2% of loads for this page have a slow (>300ms) First Input Delay (FID) 2%

Lab Data

Max Potential First Input Delay 70 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task. Learn more.
Time to Interactive 2.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Minimize third-party usage
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more.
First Contentful Paint (3G) 4156 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more.
Total Blocking Time 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Estimated Input Latency 10 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. Learn more.
Speed Index 4.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First CPU Idle 2.3 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Learn more.
First Contentful Paint 2.2 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Performance budget
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more.
First Meaningful Paint 2.3 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more.

Screenshot Thumbnails

This is what the load of your site looked like.

Eliminate render-blocking resources - Potential savings of 560 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.

URL
SizePotential Savings
https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css
6 KB180
https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js
25 KB330
Efficiently encode images - Potential savings of 24 KB
Optimized images load faster and consume less cellular data. Learn more.

URL
SizePotential Savings
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
32 KB24 KB
Network Requests
Lists the network requests that were made during page load.

URL
Start TimeEnd TimeTransfer SizeResource SizeStatus CodeMIME TypeResource Type
http://osiris.uu.nl/
0 ms301 ms0 KB0 KB302
https://osiris.uu.nl/
302 ms516 ms0 KB0 KB302text/html
https://osiris.uu.nl/osiris_student_uuprd
516 ms919 ms0 KB0 KB302text/html
https://osiris.uu.nl/osiris_student_uuprd/
920 ms1025 ms0 KB0 KB302text/html
https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do
1025 ms1279 ms3 KB8 KB200text/htmlDocument
https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css
1290 ms1707 ms6 KB26 KB200text/cssStylesheet
https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js
1290 ms1695 ms25 KB87 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/cabo/images/t.gif
1290 ms1395 ms0 KB0 KB200image/gifImage
https://osiris.uu.nl/osiris_student_uuprd/image/Engelsevlag.jpg
1290 ms1686 ms1 KB1 KB200image/jpegImage
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentHelp.js
1396 ms1791 ms1 KB1 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentCommon.js?v=1.1
1687 ms1791 ms3 KB9 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.min.js
1716 ms1922 ms35 KB91 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.imgareaselect.pack.js
1716 ms2266 ms5 KB8 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/myimage.js
1716 ms1821 ms1 KB0 KB200text/javascriptScript
https://osiris.uu.nl/osiris_student_uuprd/cabo/images/t.gif
1718 ms2113 ms0 KB0 KB200image/gifDocument
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
1722 ms1919 ms32 KB32 KB200image/jpegImage
Serve static assets with an efficient cache policy - 3 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more.

URL
Cache TTLSize
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
0 ms32 KB
https://osiris.uu.nl/osiris_student_uuprd/image/Engelsevlag.jpg
0 ms1 KB
https://osiris.uu.nl/osiris_student_uuprd/cabo/images/t.gif
0 ms0 KB
Tasks
Lists the toplevel main thread tasks that executed during page load.

Start Time
End Time
1297 ms
7 ms
1725 ms
12 ms
1736 ms
13 ms
1943 ms
16 ms
2283 ms
11 ms
2295 ms
8 ms
2303 ms
9 ms
JavaScript execution time - 0.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.

URL
Total CPU TimeScript EvaluationScript Parse
Other
245 ms12 ms6 ms
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.min.js
90 ms75 ms7 ms
Avoids enormous network payloads - Total size was 114 KB
Large network payloads cost users real money and are highly correlated with long load times. Learn more.

URL
Size
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.min.js
35 KB
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
32 KB
https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js
25 KB
https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css
6 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.imgareaselect.pack.js
5 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentCommon.js?v=1.1
3 KB
https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do
3 KB
https://osiris.uu.nl/osiris_student_uuprd/image/Engelsevlag.jpg
1 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentHelp.js
1 KB
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/myimage.js
1 KB
Minimizes main-thread work - 0.4 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.

Category
Time Spent
Script Evaluation
149 ms
Other
95 ms
Style & Layout
72 ms
Parse HTML & CSS
42 ms
Script Parsing & Compilation
27 ms
Rendering
25 ms
Serve images in next-gen formats - Potential savings of 27 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.

URL
SizePotential Savings
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg
32 KB27 KB
Avoids an excessive DOM size - 170 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). Learn more.

Statistic
ElementValue
Total DOM Elements
170
Maximum DOM Depth
24
Maximum Child Elements
25
Avoid multiple page redirects - Potential savings of 1,470 ms
Redirects introduce additional delays before the page can be loaded. Learn more.

URL
Time Spent
(Initial: http://osiris.uu.nl/)
0
https://osiris.uu.nl/
630
https://osiris.uu.nl/osiris_student_uuprd
480
https://osiris.uu.nl/osiris_student_uuprd/
180
https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do
180
Keep request counts low and transfer sizes small - 16 requests • 114 KB
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Resource Type
RequestsTransfer Size
Total
16114 KB
Script
670 KB
Image
334 KB
Stylesheet
16 KB
Document
23 KB
Other
41 KB
Media
00 KB
Font
00 KB
Third-party
00 KB
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes. Learn more.

Server response times are low (TTFB) - Root document took 250 ms
Time To First Byte identifies the time at which your server sends a response. Learn more.

Enable text compression
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.

Network Round Trip Times - 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance. Learn more.

All text remains visible during webfont loads
Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.

Preconnect to required origins
Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. Learn more.

Minify CSS
Minifying CSS files can reduce network payload sizes. Learn more.

Defer offscreen images
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn more.

Server Backend Latencies - 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance. Learn more.

Properly size images
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.

Remove unused CSS
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity. Learn more.

Avoid chaining critical requests - 7 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.

Preload key requests
Consider using `` to prioritize fetching resources that are currently requested later in page load. Learn more.

Minify JavaScript
Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.

User Timing marks and measures
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences. Learn more.

Page Speed (Google PageSpeed Insights) - v2

Suggestions Summary

Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

Laatste nieuws and 5 others render only 5 pixels tall (12 CSS pixels) .
OSIRIS renders only 5 pixels tall (12 CSS pixels) .
Welkom bij OSIRIS Student renders only 5 pixels tall (12 CSS pixels) .
Dit is de inte…e *** opgeven and 10 others render only 5 pixels tall (12 CSS pixels) .
Heb je je (via…U? Ga dan naar and 1 others render only 5 pixels tall (12 CSS pixels) .
OSIRIS Online Application renders only 5 pixels tall (12 CSS pixels) .
de studentenad…igen faculteit renders only 5 pixels tall (12 CSS pixels) .
Inloggen renders only 5 pixels tall (12 CSS pixels) .

Avoid landing page redirects

Your page has 4 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://osiris.uu.nl/
https://osiris.uu.nl/
https://osiris.uu.nl/osiris_student_uuprd
https://osiris.uu.nl/osiris_student_uuprd/
https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Remove render-blocking JavaScript:

https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js
Optimize CSS Delivery of the following:

https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css

Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

Configure a viewport for this page.

Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="#" class="psbButtonLink">Help</a> and 3 others are close to other tap targets .
The tap target <a href="SetTaal.do?taa…d4bc045b2ebc30"></a> and 1 others are close to other tap targets .

Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://osiris.uu.nl/osiris_student_uuprd/cabo/jsLibs/Common2_2_16.js (expiration not specified)
https://osiris.uu.nl/osiris_student_uuprd/cabo/styles/cache/uu-desktop-2_2_16.css (expiration not specified)
https://osiris.uu.nl/osiris_student_uuprd/image/Engelsevlag.jpg (expiration not specified)
https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentHelp.js (expiration not specified)
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.imgareaselect.pack.js (expiration not specified)
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/jquery.min.js (expiration not specified)
https://osiris.uu.nl/osiris_student_uuprd/jsLib/imageselect/scripts/myimage.js (expiration not specified)
https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg (expiration not specified)

Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 26KiB (81% reduction).

Compressing https://osiris.uu.nl/osiris_student_uuprd/template/laf/images/UU/BGR_MNU.jpg could save 26KiB (81% reduction).

Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and *** time.

Minify JavaScript for the following resources to reduce their size by 750B (31% reduction).

Minifying https://osiris.uu.nl/osiris_student_uuprd/jsLib/StudentCommon.js?v=1.1 could save 750B (31% reduction) after compression.
Avoid plugins
Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.
Enable compression
You have compression enabled. Learn more about enabling compression.
Reduce server response time
Your server responded quickly. Learn more about server response time optimization.
Minify CSS
Your CSS is minified. Learn more about minifying CSS.
Minify HTML
Your HTML is minified. Learn more about minifying HTML.
Prioritize visible content
You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.
Size content to viewport
The contents of your page fit within the viewport. Learn more about sizing content to the viewport.
Download optimized image, JavaScript, and CSS resources for this page.

+ Does osiris.uu.nl use compression?

osiris.uu.nl use gzip compression.
Original size: 8.13 KB
Compressed size: 2.09 KB
File reduced by: 6.04 KB (74%)

+ Google Safe Browsing

This site is not currently listed as suspicious

MyWot.com Reputation Ratings

Trustworthiness:
  n/a
Vendor reliability:
  n/a
Privacy:
  n/a
Child safety:
  n/a

+ SSL Checker - SSL Certificate Verify

osiris.uu.nl supports HTTPS
loader
Verifying SSL Support. Please wait...
Common Name: osiris.uu.nl
Organization: Universiteit Utrecht, OU=ITS
Location: Utrecht, NL
Issuer: TERENA SSL High Assurance CA 3
Valid from: May 2 00:00:00 2018 GMT
Valid until: May 6 12:00:00 2020 GMT
Authority: Is not a CA
Keysize:
Common Name: TERENA SSL High Assurance CA 3
Organization: TERENA
Location: Amsterdam, Noord-Holland, NL
Issuer: DigiCert High Assurance EV Root CA
Valid from: Nov 18 12:00:00 2014 GMT
Valid until: Nov 18 12:00:00 2024 GMT
Authority: Is a CA
Keysize: 2048 Bits

+ Verify HTTP/2 Support

osiris.uu.nl does not support HTTP/2
loader
Verifying HTTP/2.0 Support. Please wait...

+ Site Categories (dmoz)

Utrecht/Onderwijs
Universiteiten/Nederland

+ Http Header

Location: https://osiris.uu.nl/
Connection: close
Cache-Control: no-cache
Pragma: no-cache

HTTP/1.1 302 Found
Date: Sun, 24 Nov 2019 03:47:04 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains;
Location: https://osiris.uu.nl/osiris_student_uuprd
Content-Length: 225
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 302 Moved Temporarily
Date: Sun, 24 Nov 2019 03:47:04 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains;
Location: https://osiris.uu.nl/osiris_student_uuprd/
Content-Length: 281
Content-Type: text/html; charset=UTF-8

HTTP/1.1 302 Moved Temporarily
Date: Sun, 24 Nov 2019 03:47:04 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains;
Location: https://osiris.uu.nl/osiris_student_uuprd/StartPagina.do
Content-Length: 309
Set-Cookie: OSISTUDENTSESSIONID=CvubhSZYkz2mLZr8UqfLD73rW2xLEpRjiTamrEEsg71VMKFEEaWz!1008280657; path=/; HttpOnly;Secure
Content-Type: text/html; charset=ISO-8859-1

HTTP/1.1 200 OK
Date: Sun, 24 Nov 2019 03:47:05 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains;
Cache-Control: no-cache
Cache-Control: no-cache
Cache-Control: no-store
Cache-Control: must-revalidate
Cache-Control: private
Pragma: No-cache
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Content-Encoding: gzip
X-ORACLE-DMS-RID: 0
X-Content-Type-Options: nosniff
X-ORACLE-DMS-ECID: c51014c1-0ef3-40fe-a508-2af08d8ea823-001458f2
X-XSS-Protection: 1
X-Frame-Options: SAMEORIGIN
Set-Cookie: OSISTUDENTSESSIONID=71-bhSa7IZmYRVHPkNh6BQe2LhoLBSXKKEgiB5FUqqATNNiQVG_0!-1229993690; path=/; HttpOnly;Secure
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

+ DNS Lookup

Type Ip Target TTL
A 131.211.19.155 300
SOA 3600
Mname azie.net.uu.nl
Rname hostmaster.uu.nl
Serial Number 49
Refresh 3600
Retry 600
Expire 1209600
Minimum TTL 0
NS ns.uu.nl 3572

+ Whois Lookup

Domain Created:
0000-00-00
Domain Age:
 
WhoIs:
 

Currently Not Available
Last update was 130 days ago
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*HypeStat.com is not linking to, promoting or affiliated with uu.nl in any way. Only publicly available statistics data are displayed.

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