www.codeforces.com

SOCIAL REPORT

81%

 

Website codeforces.com uses latest and advanced technologies. It is very popular on the web, it's within the 1 million most visited websites of the world at position 6990 by Alexa. It supports HTTPS. The main html page has a size of 189599 bytes (185.16 kb uncompressed).

This CoolSocial report was updated on 2019-09-30, you can refresh this analysis whenever you want.



Codeforces.com scored 81 Social Media Impact. Social Media Impact score is a measure of how much a site is popular on social networks. 4/5.0 Stars by Social Team

Images

HTML indepth

OK
FONTS
FontAwesome, PT Sans Narrow, Cuprum, verdana, arial, sans-serif, Consolas, Lucida Console, Andale Mono, Bitstream Vera Sans Mono, Courier New
Fonts used in codeforces.com
OK
MAIN COLORS
#3B5998
#949494
#0092ef
#FFFFFF
#3C769D
Main colors used in the main page
OK
FAVICON
http://sta.codeforces.com/s/73546/favicon.png
Icon for bookmarking codeforces.com
OK
FB IMAGE
Facebook image for codeforces.com
OK
MAIN INTERNAL LINKS
/register, /top, /contests, /gyms, /problemset, /groups, /ratings, /apiHelp, /help, /honorcup, /calendar
Internal links are those related to the site
OK
MAIN EXTERNAL DOMAINS
www.timeanddate.com, discordapp.com, people.eecs.berkeley.edu, www.addiscoder.com, dasha.ai, harbour.space, harbourspace.typeform.com, telegram.org, ifmo.ru
External domains are domains towards codeforces.com links out

Social Media Descriptions

OK
OG TITLE
Codeforces
OG Title metadata is important for Facebook and Social Media
OK
OG IMAGE
//sta.codeforces.com/s/73546/images/codeforces-telegram-square.png
OG Image metadata is important for Facebook and Social Media
OK
OG SITE_NAME
Codeforces
OG Site Name metadata is important for Facebook and Social Media

Main technologies

OK
HTTPS SUPPORT
YES
If codeforces.com supports the HTTPS protocol and encryption by default
OK
SSL CERTIFICATE ISSUER
Let's Encrypt Authority X3
The issuer for the SSL certficate for HTTPS protocol
OK
CSS INSTYLE
YES
The presence of CSS in the main HTML page

Server and Security

OK
SERVER IP
77.234.215.195
The IP or the IPs of the server
OK
HTTPS SUPPORT
YES
If codeforces.com supports the HTTPS protocol
OK
UNCOMPRESSED BYTES
189599 bytes (185.16 kb uncompressed)
The size of the uncompressed version of the HTML page
OK
SSL CERTIFICATE ISSUER
Let's Encrypt Authority X3
The issuer of the SSL certificate for the HTTPS protocol

Basic Information

OK
PAGE TITLE
Codeforces
The HTML title of the main page
OK
DESCRIPTION
Codeforces. Programming competitions and contests, programming community
The HTML description of the main page
OK
OTHER KEYWORDS
round, codeforces, contest, will be, codeforces round, announcement, problems
CoolSocial advanced keyword analysis tool is able to detect and analyze every keyword on each page of a site.

Domain and Server

OK
DOCTYPE
HTML 4.01 Strict
DOCTYPE of the HTML page
OK
LANGUAGE
This site is in the English language English
Declared language
OK
DETECTED LANGUAGE
We detected this site is in the English language. Other possibilities are: IT 35.4%  FR 22.2%  English
Detected language

Whois Info

OK
DOMAIN FIRST REGISTERED ON
Friday 10 April 2009
When this domain was registered for the first time
OK
DOMAIN AGE
10 years, 6 months and 16 days
Age of this domain
OK
NEXT DOMAIN EXPIRATION
Friday 10 April 2020 (in 171 day)
Next expiration of this domain
OK
REGISTRAR
Regional Network Information Center, JSC dba RU-CENTER
Registrar of codeforces.com

Mobile and HTML

OK
VIEWPORT SUPPORT
width=device-width, initial-scale=0.01
Vieport metadata for mobile support

Cool facts

OK
PAGE RESPONSE TIME
2015 ms
Webpage response time (first byte)
OK
FORM
/search
If this website uses HTML forms
OK
USED CLASSES
582
Number of HTML classes in the HTML
OK
USED DIVS
275
Number of HTML divs in the HTML
OK
USED SPANS
140
Number of HTML spans in the HTML
OK
USED IMAGES
122
Number of HTML images in the HTML
OK
ROBOTS.TXT FILE
YES
Presence of a the Robots.txt file
OK
ADS.TXT FILE
NO
Presence of a the Ads.txt file

Things to do in order to optimize Social Media Factor

-
Be sure social media are well visible on your page: you can use our widget
-
You can add the Cool Social snippet
-
Add a description meta tag to describe your site to social media and search engines
-
Add a keywords meta tag specifying which keywords are related to your site
-
Incorage your visitors in expressing their opinion in social media
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