codeshef.com Codeshef.com

   
Competitive Programming | Participate & Learn | CodeChef

Domain Summary

What is the traffic rank for Codeshef.com?

• Codeshef.com ranks #14,677,871 globally on HypeStat.

What IP addresses does Codeshef.com resolve to?

• Codeshef.com resolves to the IP addresses 44.198.103.121.

Where are Codeshef.com servers located in?

• Codeshef.com has servers located in Ashburn, Virginia, 20149, United States.

codeshef.com Profile

Title: Competitive Programming | Participate & Learn | CodeChef
Description:Learn competitive programming with the help of CodeChef's coding competitions. Take part in these online coding contests to level up your skills
Edit Site Info

What technologies does codeshef.com use?

These are the technologies used at codeshef.com. codeshef.com has a total of 11 technologies installed in 11 different categories.
PaaS
Amazon Web Services Amazon Web Services
CMS
Drupal Drupal
Analytics
Facebook Pixel Facebook Pixel
Linkedin Insight Tag Linkedin Insight Tag
Font Scripts
Google Font API Google Font API
CDN
Google Hosted Libraries Google Hosted Libraries
A/B Testing
Google Optimize Google Optimize
Tag Managers
Google Tag Manager Google Tag Manager
JavaScript Libraries
jQuery jQuery
Web Servers
Nginx Nginx
Reverse proxies
Nginx Nginx
Programming Languages
PHP PHP

codeshef.com Traffic Analysis

Codeshef.com is ranked #14,677,871 in the world.
Daily Visitors n/a
Monthly Visits n/a
Pages per Visit n/a
Visit duration n/a
Bounce Rate n/a
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
 n/a
Monthly Visits:
n/a
Pages per Visit:
n/a
Daily Pageviews:
n/a
Avg. visit duration:
n/a
Bounce rate:
n/a
Global Reach:
 n/a
HypeRank:
14,677,871
*All traffic values are estimates only.
Last update was 642 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with codeshef.com 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.
Baidu Index:
1

  ▼

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:
  codeshef.com
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
Full SEMrush Report >>

Ad Experience Report ▼

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

Mobile summary

Root domain:
codeshef.com
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:
codeshef.com
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:
codeshef.com
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 codeshef.com hosted? ▼

Codeshef.com may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
44.198.103.121
ASN:
AS14618 
ISP:
Amazon.com, Inc. 
Server Location:
Ashburn
Virginia, VA
20149
United States, US
 

Other sites hosted on 44.198.103.121

There are no other sites hosted on this IP

How fast does codeshef.com load? ▼

The average loading time of codeshef.com is n/a ms. The Desktop speed index is 83 and mobile speed index is 41.
Average Load Time:
n/a ms

Page Speed (Google PageSpeed Insights) - Desktop

83
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)2.0s 67% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 67% 21% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 21% 10% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 10%
First Input Delay (FID)4ms 96% of loads for this page have a fast (<100ms) First Input Delay (FID) 96% 2% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 2% 1% of loads for this page have a slow (>300ms) First Input Delay (FID) 1%

Origin Data

All pages served from this origin have an SLOW 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)1.8s 74% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 74% 15% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 15% 9% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 9%
First Input Delay (FID)3ms 97% of loads for this page have a fast (<100ms) First Input Delay (FID) 97% 1% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 1% 1% of loads for this page have a slow (>300ms) First Input Delay (FID) 1%

Lab Data

Avoids `unload` event listeners  
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more
Largest Contentful Paint 1.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. 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. Learn more
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
Max Potential First Input Delay 50 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
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
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more
Speed Index 1.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
Time to Interactive 1.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
First Meaningful Paint 1.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more
First Contentful Paint 1.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
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 more

Page Speed (Google PageSpeed Insights) - Mobile

41
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)2.6s 67% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 46% 36% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 36% 16% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 16%
First Input Delay (FID)100ms 74% of loads for this page have a fast (<100ms) First Input Delay (FID) 74% 14% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 14% 10% of loads for this page have a slow (>300ms) First Input Delay (FID) 10%

Origin Data

All pages served from this origin have an SLOW 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)2.9s 43% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 43% 34% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 34% 21% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 21%
First Input Delay (FID)39ms 97% of loads for this page have a fast (<100ms) First Input Delay (FID) 83% 10% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 10% 5% of loads for this page have a slow (>300ms) First Input Delay (FID) 5%

Lab Data

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 more
First Contentful Paint 3.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
First Contentful Paint (3G) 7674 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more
Max Potential First Input Delay 220 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
Avoids `unload` event listeners  
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more
Speed Index 4.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
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
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more
Time to Interactive 10.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
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
Total Blocking Time 900 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more
First Meaningful Paint 4.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more
Largest Contentful Paint 5.9 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more

Does codeshef.com 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 codeshef.com are reduced by 87%.
codeshef.com use gzip compression.
Original size: 87.37 KB
Compressed size: 10.91 KB
File reduced by: 76.46 KB (87%)

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. codeshef.com supports HTTPS.
 codeshef.com supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: *.codechef.com
Organization:
Location:
Issuer: Amazon
Valid from: Oct 6 00:00:00 2021 GMT
Valid until: Nov 4 23:59:59 2022 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: Amazon
Organization: Amazon, OU = Server CA 1B
Location: US
Issuer: Amazon Root CA 1
Valid from: Oct 22 00:00:00 2015 GMT
Valid until: Oct 19 00:00:00 2025 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: Amazon Root CA 1
Organization: Amazon
Location: US
Issuer: Starfield Services Root Certificate Authority - G2
Valid from: May 25 12:00:00 2015 GMT
Valid until: Dec 31 01:00:00 2037 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: Starfield Services Root Certificate Authority - G2
Organization: "Starfield Technologies, Inc."
Location: Scottsdale, Arizona, US
Issuer:
Valid from: Sep 2 00:00:00 2009 GMT
Valid until: Jun 28 17:39:16 2034 GMT
Authority: CA:TRUE
Keysize: 2048 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.
 codeshef.com 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: awselb/2.0
date: Sun, 07 Aug 2022 22:36:32 GMT
content-type: text/html
content-length: 134
location: https://www.codechef.com:443/

HTTP/2 200 
date: Sun, 07 Aug 2022 22:36:33 GMT
content-type: text/html; charset=utf-8
server: nginx
vary: Accept-Encoding
x-drupal-cache: MISS
last-modified: Sun, 07 Aug 2022 22:36:32 +0000
cache-control: no-cache, must-revalidate, post-check=0, pre-check=0
etag: W/"1659911792"
set-cookie: SESS93b6022d778ee317bf48f7dbffe03173=c03d7a44bea904dafdd7d4cad9af589d; expires=Wed, 31-Aug-2022 02:09:52 GMT; Max-Age=2000000; path=/; domain=.codechef.com; secure; HttpOnly
access-control-allow-credentials: true
access-control-allow-methods: GET
x-frame-options: ALLOW-FROM https://apps.facebook.com
content-security-policy: frame-ancestors https://apps.facebook.com https://student.examus.net;
strict-transport-security: max-age=300;
content-encoding: gzip

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
SOA 847
Mname ns-1813.awsdns-34.co.uk
Rname awsdns-hostmaster.amazon.com
Serial Number 1
Refresh 7200
Retry 900
Expire 1209600
Minimum TTL 86400
A 44.198.103.121 5
A 44.198.12.255 5
NS ns-1161.awsdns-17.org 3545
NS ns-1813.awsdns-34.co.uk 3545
NS ns-87.awsdns-10.com 3545
NS ns-610.awsdns-12.net 3545

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 November 24, 2008 and will expire on November 24, 2022 if not renewed. This website is now assigned through the registrar Amazon Registrar, Inc.. The WHOIS data for this website's domain was last updated on November 30, 2021.
Domain Created:
2008-11-24
Domain Expires:
2022-11-24
Domain Updated:
2021-11-30
Domain Age:
15 years 5 months 17 days
Domain Registrar:
Amazon Registrar, Inc.
Domain Owner:
Whois Privacy Service
WhoIs:
 

Domain Name: codeshef.com
Registry Domain ID: 1529896117_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.registrar.amazon.com
Registrar URL: https://registrar.amazon.com
Updated Date: 2021-11-30T05:19:40.050Z
Creation Date: 2008-11-24T05:29:54Z
Registrar Registration Expiration Date: 2022-11-24T05:29:54Z
Registrar: Amazon Registrar, Inc.
Registrar IANA ID: 468
Registrar Abuse Contact Email: email
Registrar Abuse Contact Phone: +1.2067406200
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: transferPeriod https://icann.org/epp#transferPeriod
Registry Registrant ID:
Registrant Name: On behalf of codeshef.com owner
Registrant Organization: Whois Privacy Service
Registrant Street: P.O. Box 81226
Registrant City: Seattle
Registrant State/Province: WA
Registrant Postal Code: 98108-1226
Registrant Country: US
Registrant Phone: +1.2065771368
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: email
Registry Admin ID:
Admin Name: On behalf of codeshef.com administrative contact
Admin Organization: Whois Privacy Service
Admin Street: P.O. Box 81226
Admin City: Seattle
Admin State/Province: WA
Admin Postal Code: 98108-1226
Admin Country: US
Admin Phone: +1.2065771368
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: email
Registry Tech ID:
Tech Name: On behalf of codeshef.com technical contact
Tech Organization: Whois Privacy Service
Tech Street: P.O. Box 81226
Tech City: Seattle
Tech State/Province: WA
Tech Postal Code: 98108-1226
Tech Country: US
Tech Phone: +1.2065771368
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: email
Name Server: ns-1161.awsdns-17.org
Name Server: ns-1813.awsdns-34.co.uk
Name Server: ns-610.awsdns-12.net
Name Server: ns-87.awsdns-10.com
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2021-11-30T05:19:40.544Z