Codechef.com CodeChef - Learn Coding / Practical Coding Courses by Experts

Start your coding journey with our expert-designed, job-focused practical coding courses. Learn to code from scratch with interactive, beginner-friend...

Codechef.com Overview

CodeChef is a popular online platform that hosts programming competitions for people to test their skills and develop their ability in computer programming. The site provides a fun and challenging site to improve skills where participants hack on complex algorithms, solve intricate problems, and strive to improve their coding capabilities.

The website is well-organized, and it is easy to navigate. There are different sections for different types of contests, coding challenges, and coding courses. The main menu provides links to the contests page, code courses, and a community forum where people can interact with other participants.

The contests page lists all of the latest contests and competitions that are taking place on the website. They range from beginner level to advanced level, so it caters for participants of all levels. People can even create their own contests, which encourages collaboration and creativity. Main menu has a link to the latest updates and editorial section, which reports latest happening in computer programming world.

CodeChef is a family-friendly site, and there are no inappropriate or offensive contents on the site. Design and layout is very attractive and make users walk through the site effortlessly. The site is SSL certified, which ensures that all data that is entered on the site is secure and protected.

According to Alexa.com, the site attracts 12380 unique users per day and has been increasing its user base since its inception. The Alexa rank of this site is also improving day by day, and it is currently ranked as 14505th most popular site globally. The site is worth $1038060 US dollars, and it is hosted by Amazon.com, Inc., US hosting.

When it comes to website performance, PageSpeed Insights scores CodeChef at 54/100 which is above average, but it could be better. However, the website is optimized for efficient user experience, a factor that makes it easy for users to access the website on different devices such as desktops, tablets, and mobile devices.

Overall, CodeChef is a useful website for anyone interested in programming. It is not only a platform for upcoming programmers to hone their skills but also a place for experience programmers to challenge themselves and compete with the best of the best.

Codechef.com Rank Summary

Global Rank

8,185

Average Load Time

1.31sec

Links In Count

2,962

Website Value

$1.0 M

Audience Geography. Where are codechef.com visitors located?

Country	Visitors
India IN	69.6%
United States US	6%
Indonesia ID	2.3%
Bangladesh BD	2.2%
Hungary HU	2.2%
Egypt EG	1.7%
Canada CA	1.4%
Malaysia MY	1.4%
Pakistan PK	1.2%
Other	12%

Country	Pageviews
India IN	80.2%
Hungary HU	4.1%
United States US	2.7%
Indonesia ID	2.6%
Bangladesh BD	2.1%
Egypt EG	1.4%
Malaysia MY	1.2%
Canada CA	0.8%
Netherlands NL	0.8%
Other	4.1%

Country	Rank
India IN	1026
Hungary HU	1278
Bangladesh BD	2573
Malaysia MY	5126
Indonesia ID	5663
Egypt EG	8098
Netherlands NL	12180
Canada CA	14923
Pakistan PK	16016
Viet Nam VN	17376
United States US	29582

Where do visitors go on codechef.com?

Subdomain	Pageviews
codechef.com	96.77%
discuss.codechef.com	2.47%
other	0.76%

Subdomain	Pageviews per User
codechef.com	6.6
discuss.codechef.com	3

Subdomain	Reach
codechef.com	95.57%
discuss.codechef.com	5.3%

How popular is codechef.com?

Period	Global Rank	Global Rank Delta
past 3 months	8185	1705
past month	11175	4535
past week	15855	-663
yesterday	32355	-5297

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	5719	648	114	2%	6.4	10%
30	7688	3497	883	-43.55%	6.5	-13.1%
7	12365	1264	58	-12.21%	5.6	-17.11%
1	24846	-4344	31	20%	5	3%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	10401	2471	66	-11.08%
30	14322	5503	49	-35.05%
7	19780	-1641	36	6%
1	47300	-3646	20	10%

Codechef.com Website Safety

Overview

Last Updated: 11/10/2024

Overall result - codechef.com is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/21/2024

codechef.com is safe.

Norton ConnectSafe evaluates codechef.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/11/2016

codechef.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

codechef.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/22/2021

codechef.com is safe.

McAfee assesses codechef.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze codechef.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

codechef.com child safety is very good.

The WOT calculates reputation of the codechef.com. This reputation system receives ratings from users and information from third-party sources, assesses the codechef.com for safety features and confirms, whether codechef.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	codechef.com
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	10/12/2024
Expiration	01/10/2025
Signed	Certificate is not self signed
Additional Domains	codechef.com *.codechef.com

Codechef.com Rank History

Alexa Rank shows how popular codechef.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If codechef.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to codechef.com and pageviews on codechef.com over the past 3 months.

Codechef.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/16/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Codechef.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: CODECHEF.COM
Registry Domain ID: 155708899_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.registrar.amazon.com
Registrar URL: http://registrar.amazon.com
Updated Date: 2024-02-19T04:10:40Z
Creation Date: 2005-05-08T18:25:45Z
Registry Expiry Date: 2026-11-24T09:12:07Z
Registrar: Amazon Registrar, Inc.
Registrar IANA ID: 468
Registrar Abuse Contact Email: abuse@amazonaws.com
Registrar Abuse Contact Phone: +1.2024422253
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: LEX.NS.CLOUDFLARE.COM
Name Server: VERA.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-10T20:47:11Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Codechef.com HTML Check

HTML Validation Tool

Errors

Bad start tag in “img” in “head”.

Element “head” is missing a required instance of child element “title”.

Bad value “https://www.facebook.com/tr?id=277309139459596&ev=PageView &noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Stray end tag “noscript”.

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Attribute “charset” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.

Element “title” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)

Attribute “http-equiv” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.

A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.

Attribute “name” not allowed on element “meta” at this point.

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

Cannot recover after last error. Any further errors will be ignored.

Codechef.com Desktop Performance

Last tested: 08/03/2016

Desktop Speed

71%

Optimize images

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

Avoid landing page redirects

Leverage browser caching

Enable compression

Desktop Resource Breakdown

Total Resources	94
Number of Hosts	16
Static Resources	62
JavaScript Resources	33
CSS Resources	5

Codechef.com Mobile Insights

Last tested: 12/06/2019

Mobile Usability

62%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

54%

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

Avoid landing page redirects

Optimize images

Leverage browser caching

Minify JavaScript

Mobile Resource Breakdown

Total Resources	111
Number of Hosts	21
Static Resources	62
JavaScript Resources	44
CSS Resources	3

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Codechef.com CodeChef - Learn Coding / Practical Coding Courses by Experts

Start your coding journey with our expert-designed, job-focused practical coding courses. Learn to code from scratch with interactive, beginner-friend...

Codechef.com Overview

Codechef.com Rank Summary

Codechef.com Website Safety

Codechef.com Rank History

Codechef.com Hosting Information

Codechef.com Domain Registration and Settings

Codechef.com HTML Check

Codechef.com Desktop Performance

Codechef.com Mobile Insights

Codechef.com Similar Audits

Codechef.com Common Typos