stackoverflow.com

Stack Overflow - Where Developers Learn, Share, & Build Careers

How popular is stackoverflow.com?

This table shows the popularity of stackoverflow.com relative to ther sites.
DateAlexa RankChange
Aug-22-2019 354
Aug-21-2019 398
Aug-20-2019 471
Aug-19-2019 48-7
Aug-18-2019 41-1
Aug-17-2019 400
Aug-16-2019 40-2

stackoverflow.com alexa rank history


What does Alexa Rank mean?
Alexa rank is calculated using a combination of the estimated average daily unique visitors to the site and the estimated number of pageviews on the site. The site with the highest combination of unique visitors and pageviews is ranked as #1

Compare stackoverflow.com alexa rank with other website rank

stackoverflow.com

stackoverflow.com whois

Domain Name: STACKOVERFLOW.COM
Registry Domain ID: 108907621_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2019-01-11T17:52:14Z
Creation Date: 2003-12-26T19:18:07Z
Registry Expiry Date: 2020-02-02T11:59:59Z
Registrar: Name.com, Inc.
Registrar IANA ID: 625
Registrar Abuse Contact Email: abuse@name.com
Registrar Abuse Contact Phone: 7202492374
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1033.AWSDNS-01.ORG
Name Server: NS-358.AWSDNS-44.COM
Name Server: NS-CLOUD-E1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-E2.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2019-06-15T19:57:57Z

stackoverflow.com server information

stackoverflow.com desktop page speed rank

Site Title: Stack Overflow - Where Developers Learn, Share, & Build Careers


Stackoverflow.com Desktop Speed: 84/100

Stackoverflow.com Desktop Speed Test Quick Summary:

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

Your page has 1 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.


Approximately 1% of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.


Remove render-blocking JavaScript:

https://cdn.sstatic.net/Js/stub.en.js?v=036380eacc61

Optimize CSS Delivery of the following:

https://cdn.sstatic.net/Shared/stacks.css?v=e6f9c0ce1d23
https://cdn.sstatic.net/Sites/stackoverflow/primary.css?v=ff60e321b9c8

4 Optimize images

Properly formatting and compressing images can save many bytes of data.


Optimize the following images to reduce their size by 32.1KiB (30% reduction).

Compressing https://s0.2mdn.net/4806710/03202019-103801239-PayPal_-_teal_300x250.jpg could save 15.3KiB (47% reduction).
Compressing https://cdn.sstatic.net/img/favicons-sprite16.png?v=d4eea8c36ff2 could save 13.9KiB (20% reduction).
Compressing https://i.stack.imgur.com/EdUwb.png could save 2.6KiB (72% reduction).
Compressing https://i.stack.imgur.com/bk9VA.png could save 145B (28% reduction).
Compressing https://i.stack.imgur.com/iXVPe.png could save 109B (13% reduction).
Compressing https://i.stack.imgur.com/bpLjl.png could save 106B (16% reduction).

2 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.


Leverage browser caching for the following cacheable resources:

https://www.googletagservices.com/tag/js/gpt.js (15 minutes)
https://www.googletagservices.com/activeview/js/cu�osd.js?cb=%2Fr20100101 (50 minutes)
https://www.googletagservices.com/activeview/js/cu�ner.js?cache=r20110914 (50 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

Stackoverflow.com Desktop Resources

Total Resources46
Number of Hosts18
Static Resources29
JavaScript Resources19
CSS Resources3

Stackoverflow.com Desktop Resource Distribution

stackoverflow.com mobile page speed rank

Site Title: Stack Overflow - Where Developers Learn, Share, & Build Careers


Stackoverflow.com Mobile Speed: 71/100

Stackoverflow.com Mobile Speed Test Quick Summary:

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

Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.


None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.


Remove render-blocking JavaScript:

https://cdn.sstatic.net/Js/stub.en.js?v=036380eacc61
https://cdn.sstatic.net/Js/mobile.en.js?v=32a7cb3d19b9

Optimize CSS Delivery of the following:

https://cdn.sstatic.net/Shared/stacks.css?v=e6f9c0ce1d23
https://cdn.sstatic.net/Sites/stackoverflow/mobile.css?v=aa469b5e83cf

1 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.


Leverage browser caching for the following cacheable resources:

https://www.google-analytics.com/analytics.js (2 hours)

Stackoverflow.com Mobile Resources

Total Resources18
Number of Hosts9
Static Resources11
JavaScript Resources9
CSS Resources2

Stackoverflow.com Mobile Resource Distribution

stackoverflow.com mobile page usability

Site Title: Stack Overflow - Where Developers Learn, Share, & Build Careers


Stackoverflow.com Mobile Usability: 92/100

Stackoverflow.com Mobile Usability Test Quick Summary:

8 Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.


The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="https://stacko…/cookie-policy" class="s-link s-link_…rline fc-white">Cookie Policy</a> and 2 others are close to other tap targets.
The tap target <a class="grid--cell fc-…s-notice-close"></a> is close to 1 other tap targets.
The tap target <a class="grid--cell fc-…s-notice-close"></a> is close to 1 other tap targets.
The tap target <a href="/questions/ask">Ask</a> is close to 1 other tap targets.
The tap target <a href="/questions/566…t?lastactivity" class="-time">1 min ago</a> and 191 others are close to other tap targets.
The tap target <a href="/users/5842844/jbarat" class="author">jbarat</a> and 81 others are close to other tap targets.
The tap target <a href="/questions/566…ord-encryption">Spring: password encryption</a> and 75 others are close to other tap targets.
The tap target <a href="/questions/tag…ooth-lowenergy" class="post-tag">bluetooth-lowenergy</a> and 19 others are close to other tap targets.

Stackoverflow.com Mobile Resources

Total Resources18
Number of Hosts9
Static Resources11
JavaScript Resources9
CSS Resources2

Stackoverflow.com Mobile Resource Distribution

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