cs22.io Cs22.io

   
CSCI 0220 - Discrete Structures and Probability

Domain Summary

What is the traffic rank for Cs22.io?

• Cs22.io ranks #4,730,666 globally on HypeStat.

What percent of global Internet users visit Cs22.io?

• 1.69E-5% of global Internet users visit Cs22.io

How many people visit Cs22.io each day?

• Cs22.io receives approximately 832 visitors and 325 page impressions per day.

How much Cs22.io can earn?

• Cs22.io should earn about $1.33/day from advertising revenue.

What is Cs22.io estimated value?

• Estimated value of Cs22.io is $1,171.56.

What IP addresses does Cs22.io resolve to?

• Cs22.io resolves to the IP addresses 185.199.111.153.

Where are Cs22.io servers located in?

• Cs22.io has servers located in California, United States.

cs22.io Profile

Title:CSCI 0220 - Discrete Structures and Probability
Description:Brown University CSCI 0220 - Discrete Structures and Probability, Spring 2023
Tags:
college
computer
science
university
school
education
brown
cs
discrete math
computer science
math
brown university
Edit Site Info

What technologies does cs22.io use?

These are the technologies used at cs22.io. cs22.io has a total of 4 technologies installed in 4 different categories.
CDN
CloudFlare CloudFlare
PaaS
GitHub Pages GitHub Pages
JavaScript Libraries
jQuery jQuery
Caching
Varnish Varnish

cs22.io Traffic Analysis

Cs22.io is ranked #4,730,666 in the world. This website is viewed by an estimated 832 visitors daily, generating a total of 325 pageviews. This equates to about 25.2K monthly visitors.
Daily Visitors832
Monthly Visits25.2K
Pages per Visit0.39
Visit duration00:50
Bounce Rate80.19%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
832
Monthly Visits:
25,210
Pages per Visit:
0.39
Daily Pageviews:
325
Avg. visit duration:
00:50
Bounce rate:
80.19%
Global Reach:
1.69E-5%
Monthly Visits (SimilarWeb):
25,484
HypeRank:
4,730,666
SEMrush Rank:
4,780,327
SimilarWeb Rank:
1,836,720
*All traffic values are estimates only.

Total Visits Last 3 Months

11.8K
APR
25.2K
MAY
25.2K
JUN
Last update was 617 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with cs22.io in any way. Only publicly available statistics data are displayed.

Search Engine Indexes ▼

Search engine indexes are huge databases or collections of net pages that search engines like google like google and yahoo use to retrieve applicable facts while customers carry out searches. These indexes are created through search engines like google and yahoo through crawling and indexing net pages from throughout the internet.
Google Index:
217

  ▼

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  cs22.io
Rank:
(Rank based on keywords, cost and organic traffic)
  4,780,327
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  152
Organic Traffic:
(Number of visitors coming from top 20 search results)
  38
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00
Full SEMrush Report >>

Revenue report ▼

Google.com would generate approximately $1.3 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $39.9 and annual gross revenue of approximately $485.5. Based on these figures, the site's net worth is estimated at around $1.2K.

How much would cs22.io make?

Daily Revenue:
$1.33
Monthly Revenue:
$39.90
Yearly Revenue:
$485.45
*All earnings values are estimates only.

How much is cs22.io worth?

Website Value:
$1.2K

Ad Experience Report ▼

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

Mobile summary

Root domain:
cs22.io
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

Desktop summary

Root domain:
cs22.io
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

Abusive Experience Report ▼

Summary of the abusive experience rating of a website.
Root domain:
cs22.io
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

Where is cs22.io hosted? ▼

Cs22.io may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
185.199.111.153
ASN:
AS54113 
ISP:
Fastly 
Server Location:
California, CA
United States, US
 

Other sites hosted on 185.199.111.153

How fast does cs22.io load? ▼

The average loading time of cs22.io is 50 ms. The Desktop speed index is 92 and mobile speed index is 63.
Average Load Time:
50 ms

Page Speed (Google PageSpeed Insights) - Desktop

92
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a FAST 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.

Cumulative Layout Shift (CLS)10ms 73% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 73% 22% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 22% 3% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 3%
Time To First Byte (TTFB)320ms 90% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 90% 9% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 9% 0% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)838ms 97% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 97% 0% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 0% 2% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 2%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)33ms 97% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 97% 2% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 2% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)1.2s 96% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 96% 2% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 2% 1% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 1%

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.

Cumulative Layout Shift (CLS)10ms 73% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 73% 22% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 22% 3% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 3%
Time To First Byte (TTFB)320ms 90% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 90% 9% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 9% 0% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)838ms 97% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 97% 0% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 0% 2% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 2%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)33ms 97% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 97% 2% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 2% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)1.2s 96% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 96% 2% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 2% 1% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 1%

Lab Data

Max Potential First Input Delay 40 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
First Contentful Paint 0.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
Has a `<meta name="viewport">` tag with `width` or `initial-scale`  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more about performance budgets
Timing budget  
Set a timing budget to help you keep an eye on the performance of your site. Performant sites load fast and respond to user input events quickly. Learn more about performance budgets
Largest Contentful Paint 1.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
First Meaningful Paint 0.7 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Speed Index 0.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Time to Interactive 0.7 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric

Page Speed (Google PageSpeed Insights) - Mobile

63
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a FAST 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.

Cumulative Layout Shift (CLS)0ms 73% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 93% 0% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 0% 6% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 6%
Time To First Byte (TTFB)563ms 90% of loads for this page have a fast (<800s) Time To First Byte (TTFB) 88% 9% of loads for this page have an average (800s ~ 1800s) Time To First Byte (TTFB) 9% 2% of loads for this page have a slow (>1800s) Time To First Byte (TTFB) 2%
First Contentful Paint (FCP)1.1s 97% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 91% 6% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 6% 1% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 1%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)75ms 97% of loads for this page have a fast (<200s) Interactive To Next Paint (INP) 95% 2% of loads for this page have an average (200s ~ 500s) Interactive To Next Paint (INP) 2% 1% of loads for this page have a slow (>500s) Interactive To Next Paint (INP) 1%
Largest Contentful Paint (LCP)1.4s 96% of loads for this page have a fast (<2500s) Largest Contentful Paint (LCP) 97% 2% of loads for this page have an average (2500s ~ 4000s) Largest Contentful Paint (LCP) 2% 0% of loads for this page have a slow (>4000s) Largest Contentful Paint (LCP) 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.

Cumulative Layout Shift (CLS)0ms 93% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 93% 0% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 0% 6% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 6%
Time To First Byte (TTFB)563ms 88% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 88% 9% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 9% 2% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 2%
First Contentful Paint (FCP)1.1s 91% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 91% 6% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 6% 1% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 1%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)75ms 95% of loads for this page have a fast (<0.2s) Interactive To Next Paint (INP) 95% 2% of loads for this page have an average (0.2s ~ 0.5s) Interactive To Next Paint (INP) 2% 1% of loads for this page have a slow (>0.5s) Interactive To Next Paint (INP) 1%
Largest Contentful Paint (LCP)1.4s 97% of loads for this page have a fast (<2.5s)Largest Contentful Paint (LCP) 97% 2% of loads for this page have an average (2.5s ~ 4s)Largest Contentful Paint (LCP) 2% 0% of loads for this page have a slow (>4s)Largest Contentful Paint (LCP) 0%

Lab Data

Has a `<meta name="viewport">` tag with `width` or `initial-scale`  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
First Meaningful Paint 2.5 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
Max Potential First Input Delay 180 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Speed Index 2.9 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
First Contentful Paint 2.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Time to Interactive 4.1 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Largest Contentful Paint 4.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Total Blocking Time 70 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more about performance budgets
Timing budget  
Set a timing budget to help you keep an eye on the performance of your site. Performant sites load fast and respond to user input events quickly. Learn more about performance budgets

Does cs22.io use compression? ▼

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on cs22.io are reduced by 84%.
cs22.io use gzip compression.
Original size: 84.92 KB
Compressed size: 13.07 KB
File reduced by: 71.85 KB (84%)

Google Safe Browsing ▼

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites.
Status:
  UNKNOWN

SSL Checker - SSL Certificate Verify ▼

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. cs22.io supports HTTPS.
 cs22.io supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: cs22.io
Organization:
Location:
Issuer: R3
Valid from: Jul 6 20:11:48 2023 GMT
Valid until: Oct 4 20:11:47 2023 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: R3
Organization: Let's Encrypt
Location: US
Issuer: ISRG Root X1
Valid from: Sep 4 00:00:00 2020 GMT
Valid until: Sep 15 16:00:00 2025 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: ISRG Root X1
Organization: Internet Security Research Group
Location: US
Issuer: DST Root CA X3
Valid from: Jan 20 19:14:03 2021 GMT
Valid until: Sep 30 18:14:03 2024 GMT
Authority: CA:TRUE
Keysize: 4096 Bits

Verify HTTP/2 Support ▼

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 cs22.io supports HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header ▼

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server. 
server: GitHub.com
content-type: text/html; charset=utf-8
last-modified: Wed, 10 May 2023 20:27:14 GMT
access-control-allow-origin: *
etag: W/"645bfe22-153ad"
expires: Fri, 07 Jul 2023 09:13:14 GMT
cache-control: max-age=600
content-encoding: gzip
x-proxy-cache: MISS
x-github-request-id: 123E:1E58:96C279:D36464:64A7D4D2
accept-ranges: bytes
date: Fri, 07 Jul 2023 09:57:02 GMT
via: 1.1 varnish
age: 0
x-served-by: cache-chi-kigq8000055-CHI
x-cache: HIT
x-cache-hits: 1
x-timer: S1688723823.830523,VS0,VE25
vary: Accept-Encoding
x-fastly-request-id: ba3813b6ec98853a2adb282089eec1dc1489a2ed
content-length: 13381

DNS Lookup ▼

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
HINFO 3600
NS theo.ns.cloudflare.com 3600
NS rafe.ns.cloudflare.com 3600

Whois Lookup ▼

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on December 24, 2021 and will expire on December 24, 2023 if not renewed. This website is now assigned through the registrar Porkbun LLC. The WHOIS data for this website's domain was last updated on December 18, 2022.
Domain Created:
2021-12-24
Domain Expires:
2023-12-24
Domain Updated:
2022-12-18
Domain Age:
3 years 2 months 22 days
Domain Registrar:
Porkbun LLC
Domain Owner:
Private by Design, LLC
WhoIs:
 

Domain Name: CS22.IO
Registry Domain ID: 8e67f01a00254bb8b03edbb70decf88d-DONUTS
Registrar WHOIS Server: whois.porkbun.com
Registrar URL: http://www.porkbun.com
Updated Date: 2022-12-18 03:51:20
Created Date: 2021-12-24 03:41:49
Registrar Registration Expiration Date: 2023-12-24 03:41:49
Registrar: Porkbun LLC
Registrar IANA ID: 1861
Registrar Abuse Contact Email: email
Registrar Abuse Contact Phone: +1.5038508351
Domain Status: clientDeleteProhibited http://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited http://icann.org/epp#clientTransferProhibited
Registry Registrant ID: 
Registrant Name: Whois Privacy
Registrant Organization: Private by Design, LLC
Registrant Street: 500 Westover Dr #9816
Registrant City: Sanford
Registrant State/Province: NC
Registrant Postal Code: 27330
Registrant Country: US
Registrant Phone: +1.9712666028
Registrant Phone Ext: 
Registrant Fax:
Registrant Fax Ext: 
Registrant Email: https://porkbun.com/whois/contact/registrant/cs22.io
Registry Admin ID: 
Admin Name: Whois Privacy
Admin Organization: Private by Design, LLC
Admin Street: 500 Westover Dr #9816
Admin City: Sanford
Admin State/Province: NC
Admin Postal Code: 27330
Admin Country: US
Admin Phone: +1.9712666028
Admin Phone Ext: 
Admin Fax:
Admin Fax Ext: 
Admin Email: https://porkbun.com/whois/contact/admin/cs22.io
Registry Tech ID: 
Tech Name: Whois Privacy
Tech Organization: Private by Design, LLC
Tech Street: 500 Westover Dr #9816
Tech City: Sanford
Tech State/Province: NC
Tech Postal Code: 27330
Tech Country: US
Tech Phone: +1.9712666028
Tech Phone Ext: 
Tech Fax:
Tech Fax Ext: 
Tech Email: https://porkbun.com/whois/contact/tech/cs22.io
Name Server: rafe.ns.cloudflare.com
Name Server: theo.ns.cloudflare.com
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net
>>> Last update of WHOIS database: 2022-12-18 03:51:20