stackoverflow - Stack Overflow

Stackoverflow.com

screenshot stackoverflow
(Average Rating 5 Based on 1 rating)
Website: stackoverflow.com
Google Pagerank: PR0
Alexa: 50
Worth: $46,584,588 USD

Report created at Sunday 7th of August 2016 04:07:55 PM

Score of stackoverflow
67.98%
Process: 44/44
100%

SEO Result For stackoverflow.com

Meta Title & Description

Description
No Description
Keywords (Optional)
No Keywords

Unique, descriptive titles make better search engine results. If the title is longer than 65 characters, it may be cut off when it is displayed on a search results page.(better between 40 and 50 characters.)
Description more than 10 words and less than 160 characters.(better between 90 and 155 characters.)
Keywords less than 10 phrases.

Google Search

Desktop

Mobile

Headings

H1 H2 H3 H4 H5 H6
1 1 2 1 0 0
  • <h1> Top Questions
  • <h2> Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.
  • <h3> current community
  • <h3> your communities
  • <h4> Hot Network Questions

Keyword Consistency

Keywords (one word)FreqPercTitleDesc
views92x
answers83x
votes83x
mins74x
asked52x
Keywords (two words)FreqPercTitleDesc
answers views1x
mins ago1x
votes answers1x
asked mins1x
modified mins1x

Text/HTML Ratio

Text/ratio 17.825/239.071Kb. The text to HTML ratio is 7.46%.

Indexed Pages

Low

Google Bot Last Accces

Lass access: 8 hours ago.

Google+ Publisher

Linking to your Google+ Publisher is missing.

In-Page Links

WWW Resolve

Yes! stackoverflow to non WWW.

IP Canonicalization

Warning! 151.101.193.69 not forwarding to stackoverflow.com

Link Canonical

Meta Robots

Meta Robots is missing. But website allows search bot indexation.

Robots.txt

Yes! robots.txt.

XML Sitemap

Yes! your website have sitemap (1 Urls).
/sitemap.xml

URL Rewrite

No, You should rewrite! (30 Urls)
/users/signup?ssrc%3Dsite_switcher%26amp%3Breturnurl%3Dhttp%3A%2F%2Fs...
/users/login?ssrc%3Dsite_switcher%26amp%3Breturnurl%3Dhttp%3A%2F%2Fst...
/users/signup?ssrc%3Dhead%26returnurl%3Dhttp%3A%2F%2Fstackoverflow.co...
/users/login?ssrc%3Dhead%26returnurl%3Dhttp%3A%2F%2Fstackoverflow.com...
/jobs?med%3Dsite-ui%26ref%3Djobs-tab
/users/signup?ssrc%3Ddocs_hero%26returnurl%3D%2Ftour%2Fdocumentation
/questions/20799684/what-is-the-difference-between-get-and-load-funct...
/questions/38988567/distributed-alternatives-to-hadoop/?lastactivity
/questions/38986339/how-to-run-io-operation-inside-observer-onnext-th...
/questions/38986127/how-to-bind-a-string-array-of-properties-in-sprin...
/questions/38985969/validation-error-on-has-many-association-not-prev...
/questions/38969413/spark-2-0-filter-using-a-udf-after-a-self-join/?l...
/questions/38988537/how-to-get-all-values-of-an-object-in-active-reco...
/questions/38988217/count-specific-value-across-different-columns-in-...
/questions/38131606/apple-metal-matrix-multiplication-benchmark-resul...
/questions/38988240/vba-deleting-matching-data-and-its-rows-over-mult...
/questions/8707814/time-delay-for-a-process-in-unity-3d/?lastactivity
/questions/38988305/solved-formatting-output-from-mysql-into-table-ne...
/questions/15883551/hanoi-towers-iterative-with-n-3-pegs/?lastactivity

Underscores in the URLs

We are found underscores in your URLs! (3 Links)
/users/signup?ssrc%3Dsite_switcher%26amp%3Breturnurl%3Dhttp%3A%2F%2Fs...
/users/login?ssrc%3Dsite_switcher%26amp%3Breturnurl%3Dhttp%3A%2F%2Fst...
/users/signup?ssrc%3Ddocs_hero%26returnurl%3D%2Ftour%2Fdocumentation

If your URL contains underscores the link will look similar to this:

http://stackoverflow.com/_page1.html

(http://stackoverflow.com/_page1.html)

Recommend :http://stackoverflow.com/-page1.html

Blocking Factors

Iframe: No
Iframe: Yes

Copyright

stackoverflow.com Usability

URLs

Stackoverflow.com(13 characters)
Update: 08-jun-2016
Registered: 26-dec-2003
Expires: 26-dec-2016

Domain Availability
stackoverflow.com is already taken.
stackoverflow.net is already taken.
stackoverflow.org is already taken.
stackoverflow.info is already taken.
stackoverflow.biz is already taken.
Typo Availability

Favicon

Congratulations! Your website appears to have a favicon.

Apple Icon

Opps! not found apple icon.

Custom 404 Page

Yes, stackoverflow.com has a custom 404 error page.

Page Size

Page size 239.071 KB (Average is 330 Kb). After optimizing HTML (200.106 KB. About 16% size reduction).

Server Response Time

0.39 second(s) (634.79 KB/s).

Language

Declared: None
Detect: English

Structured Data Markup

Yes! your website has structured data markup.
  • og:type
  • og:image
  • og:title
  • og:description
  • og:url

Email Privacy

Good, no email address has been found.

stackoverflow.com Technologies

Server Uptime

Login and choose website to start get notified when gose down.
Start Uptime Monitoring Service

Server Infomation

Hosted IP Address: 54.204.137.239
Hosted location: Manchester - United States
Location Latitude: 42.991245269775
Location Longitude: -71.46656036377
Zip Code: 03101
Region Name: New Hampshire
Time Zone: -05:00

Speed Test Website

Score: 81

Redirect Compression Caching Responded Visible ContentRender BlockingImagesJavascriptHtmlCSS
numberResources38 bytes
numberHosts12 bytes
totalRequestBytes6.64 KB
numberStaticResources26 bytes
htmlResponseBytes236.36 KB
overTheWireResponeBytes1.24 MB
cssResponseBytes534.02 KB
imageResponseBytes156.51 KB
javascriptResponseBytes336.43 KB
otherResponseBytes1.79 KB
numberJsResources11 bytes
numberCssResources3 bytes

Speed Tips

Perfect, Gzip enable.
Warring, Remove inline js in your website.
Warring, Remove inline css in your website.
Warring, Remove content script tags and combine in js file.
Perfect, Not using style tags.
Perfect, Not using nested tables.
Perfect, Your website not use deprecated tags.
Perfect, Your website has few Javascript files.
Perfect, Your website has few CSS files.

CSS File

LinksSizeMinifyOptimization
/Sites/stackoverflow/all.css534.412 bytes534.412 bytes

Script File

LinksSizeMinifyOptimization
/ajax/libs/jquery/1.7.1/jquery.min.js93.868 bytes93.867 bytes
/Js/stub.en.js38.783 bytes38.783 bytes

Analytics

Google Analytics
Quantcast

Doctype

HTML 5

Encoding

Bad, website encoding not using meta charset!.

SSL Certificates

Great, *.stackexchange.com SSL secured (HTTPS) Valid From: 05/21/2016 To 08/14/2019.

stackoverflow.com Promote

Crawl Error

Login and Upgrade now to get report for stackoverflow.com provides details. Check Google bot when crawl your site find error page that return error code.
Start Crawl Website Service

Website Ranks & Scores

Child Safety: 94/100
Alexa Backlink: 71810
Domain Authority: 92.67
Page Authority: 93.89
DMOZ Listing: No

Mobile

Mobile Viewport

Meta viewport is missing.

Mobile Friendly

Score: of 92% (out of 100). Friendly!

moblie stackoverflow.com

Social Engagement

Facebook Shares: 25941
Facebook Likes: 11888
Facebook Comments: 7238
Google+: 4.5k
Twitter Count (Tweets): N/a
Linkedin Shares: 950
Stumble: 49415
Pinterest: N/a

Visitors

Traffic Estimations

Daily unique visits: 8,576,500
Daily page views: 68,612,000