www.stackoverflow.com

SOCIAL REPORT

100%

 

Website stackoverflow.com uses latest and advanced technologies like: JQuery. It is very popular on the web, it's within the 1 million most visited websites of the world at position 78 by Alexa. It supports HTTPS and GZIP compression. The main html page has a size of 116928 bytes (114.19 kb uncompressed) and 24899 bytes (24.32 kb compressed).

This CoolSocial report was updated on 2019-10-06, you can refresh this analysis whenever you want.



Stackoverflow.com scored 100 Social Media Impact. Social Media Impact score is a measure of how much a site is popular on social networks. 5/5.0 Stars by Social Team

Social Media

OK
FACEBOOK ACCOUNT
The Facebook account of stackoverflow.com
OK
TWITTER ACCOUNT
The Twitter account of stackoverflow.com

Images

HTML indepth

OK
FONTS
inherit, Arial, Helvetica Neue, sans-serif , Georgia, Times New Roman, Consolas, Menlo, Monaco, Lucida Console, Liberation Mono
Fonts used in stackoverflow.com
OK
MAIN COLORS
#848d95
#242729
#0c0d0e
#d6d9dc
#eff0f1
#c8ccd0
#d3d6da
#ECE3C8
#FFF8E2
#e5d9b5
#ffecaf
Main colors used in the main page
OK
FAVICON
https://cdn.sstatic.net/Sites/stackoverflow/img/favicon.ico?v=4f32ecc8f43d
Icon for bookmarking stackoverflow.com
OK
FB IMAGE
Facebook image for stackoverflow.com
OK
MAIN WEBSITE PAGE
https://stackoverflow.com/
The main destination url
OK
MAIN INTERNAL LINKS
teams/customers, teams/use-cases, questions, enterprise, help, legal/cookie-policy, legal/privacy-policy, tags, users, so_source=SiteNav, #for-developers
Internal links are those related to the site
OK
MAIN EXTERNAL DOMAINS
www.stackoverflowbusiness.com, chat.stackoverflow.com, meta.stackoverflow.com, stackexchange.com, stackoverflow.blog, insights.stackoverflow.com, serverfault.com, superuser.com, webapps.stackexchange.com, askubuntu.com, webmasters.stackexchange.com
External domains are domains towards stackoverflow.com links out

Social Media Descriptions

OK
OG TITLE
Stack Overflow - Where Developers Learn, Share, & Build Careers
OG Title metadata is important for Facebook and Social Media
OK
OG URL
https://stackoverflow.com/
OG Url metadata is important for Facebook and Social Media
OK
OG IMAGE
https://cdn.sstatic.net/Sites/stackoverflow/img/apple-touch-icon@2.png?v=73d79a89bded
OG Image metadata is important for Facebook and Social Media
OK
OG DESCRIPTION
Stack Overflow | The World’s Largest Online Community for Developers
OG Description metadata is important for Facebook and Social Media
OK
OG SITE_NAME
Stack Overflow
OG Site Name metadata is important for Facebook and Social Media
OK
TWITTER:CARD
summary
Twitter Card metadata is important for Twitter and Social Media
OK
TWITTER:DOMAIN
stackoverflow.com
Twitter Domain metadata is important for Twitter and Social Media
OK
TWITTER:TITLE
Stack Overflow - Where Developers Learn, Share, & Build Careers
Twitter Title metadata is important for Twitter and Social Media
OK
TWITTER:DESCRIPTION
Stack Overflow | The World’s Largest Online Community for Developers
Twitter Description metadata is important for Twitter and Social Media

Main technologies

OK
HTTPS SUPPORT
YES
If stackoverflow.com supports the HTTPS protocol and encryption by default
OK
COMPRESSION SUPPORT
YES [GZIP]
If stackoverflow.com supports the HTML compression
OK
SSL CERTIFICATE ISSUER
Let's Encrypt Authority X3
The issuer for the SSL certficate for HTTPS protocol
OK
JQUERY
1.12.4 [minimized]
JQuery support
OK
GOOGLE_API
YES
Google API support

Server and Security

OK
SERVER IP
151.101.193.69,151.101.65.69,151.101.1.69,151.101.129.69
The IP or the IPs of the server
OK
HTTPS SUPPORT
YES
If stackoverflow.com supports the HTTPS protocol
OK
COMPRESSION SUPPORT
YES [GZIP]
If stackoverflow.com supports compression
OK
UNCOMPRESSED BYTES
116928 bytes (114.19 kb uncompressed)
The size of the uncompressed version of the HTML page
OK
COMPRESSED BYTES
24899 bytes (24.32 kb compressed)
The size of the compressed version of the HTML page
OK
SSL CERTIFICATE ISSUER
Let's Encrypt Authority X3
The issuer of the SSL certificate for the HTTPS protocol
OK
SSL CERTIFICATE COUNTRY
US
The issuer country of the SSL certificate for the HTTPS protocol
OK
SSL CERTIFICATE NEXT EXPIRY
24-10-2019 04:38:33
When SSL certificate is going to expire
OK
CONNECTION
keep-alive
Connection HTTP HEADER
OK
AGE
15552000
Age HTTP HEADER
OK
VARY
Fastly-SSL
Vary HTTP HEADER
OK
CONTENT-TYPE
text/html, charset=utf-8
Content-Type HTTP HEADER
OK
DATE
Sun, 06 Oct 2019 00:34:55 GMT
Date HTTP HEADER
OK
STRICT-TRANSPORT-SECURITY
max-age=15552000
Strict Transport Security HTTP HEADER
OK
CACHE-CONTROL
private
Cache Control HTTP HEADER

Basic Information

OK
PAGE TITLE
Stack Overflow - Where Developers Learn, Share, & Build Careers
The HTML title of the main page
OK
DESCRIPTION
Stack Overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.
The HTML description of the main page
OK
OTHER KEYWORDS
stack, overflow, stack overflow, questions, developers, answers, private
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 5.0
DOCTYPE of the HTML page
OK
DETECTED LANGUAGE
We detected this site is in the English language. Other possibilities are: IT 43.3%  FR 25.2%  PT 13.8%  English
Detected language
OK
VIA
1.1 varnish
VIA metadata
OK
HD X-SERVED-BY
cache-mxp19838-MXP
X-SERVED-BY metadata
OK
HD X-FRAME-OPTIONS
SAMEORIGIN
X-FRAME-OPTIONS metadata

Whois Info

OK
DOMAIN FIRST REGISTERED ON
Friday 26 December 2003
When this domain was registered for the first time
OK
DOMAIN AGE
15 years, 9 months and 26 days
Age of this domain
OK
NEXT DOMAIN EXPIRATION
Sunday 02 February 2020 (in 110 days)
Next expiration of this domain
OK
REGISTRAR
Name.com, Inc.
Registrar of stackoverflow.com

Mobile and HTML

OK
VIEWPORT SUPPORT
width=device-width, height=device-height, initial-scale=1.0, minimum-scale=1.0
Vieport metadata for mobile support
OK
HTML5 FOOTER
YES
The presence of the HTML5 footer tag

Cool facts

OK
PAGE RESPONSE TIME
319 ms
Webpage response time (first byte)
OK
CDNS
cdn.sstatic.net cdn.sstatic.net
If this website uses Content Delivery Networks
OK
USED CLASSES
745
Number of HTML classes in the HTML
OK
USED DIVS
200
Number of HTML divs in the HTML
OK
USED SPANS
25
Number of HTML spans in the HTML
OK
USED IMAGES
30
Number of HTML images in the HTML
OK
ROBOTS.TXT FILE
YES
Presence of a the Robots.txt file
OK
NOT ALLOWED ROBOTS
Yahoo Pipes 1.0, 008, voltron
Robots that are NOT allowed in the Robots.txt file
OK
ADS.TXT FILE
YES
Presence of a the Ads.txt file
OK
ADS DIRECT
google.com
ADS Direct info

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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