stackexchange.com Website Information
Daily Unique Visits: 3,305,567
Daily Page Views: 26,444,536
Income Per Day: $26,445
Estimated Value: $28,560,600
This website is located in United States and is using following IP address 151.101.193.69. See the complete list of popular websites hosted in United States.
stackexchange.com is registered under .COM top-level domain. Please check other sites in .COM zone.
Website stackexchange.com is using the following name servers:
- ns-1832.awsdns-37.co.uk
- ns-925.awsdns-51.net
- ns-cloud-d1.googledomains.com
- ns-cloud-d2.googledomains.com
and is probably hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the full list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.
The highest website stackexchange.com position in Alexa rank database was 459 and the lowest rank position was 464. Current position of stackexchange.com in Alexa rank database is 461.
Desktop speed score of stackexchange.com (70/100) is better than the results of 50.91% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of stackexchange.com (60/100) is better than the results of 3.95% of other sites and means that the page is not mobile-friendly.
Mobile speed score of stackexchange.com (59/100) is better than the results of 52.41% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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stackexchange.com Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
stackexchange.com whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
Domain Name: STACKEXCHANGE.COM
Registry Domain ID: 1558969914_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2021-02-18T15:01:56Z
Creation Date: 2009-06-12T13:55:30Z
Registry Expiry Date: 2022-06-12T13:55:30Z
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-1832.AWSDNS-37.CO.UK
Name Server: NS-925.AWSDNS-51.NET
Name Server: NS-CLOUD-D1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-D2.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-22T12:47:09Z
Registry Domain ID: 1558969914_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2021-02-18T15:01:56Z
Creation Date: 2009-06-12T13:55:30Z
Registry Expiry Date: 2022-06-12T13:55:30Z
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-1832.AWSDNS-37.CO.UK
Name Server: NS-925.AWSDNS-51.NET
Name Server: NS-CLOUD-D1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-D2.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-22T12:47:09Z
stackexchange.com server information
Servers Location
stackexchange.com desktop page speed rank
Last tested: 2019-12-02
Desktop Speed
Medium
70/100
stackexchange.com Desktop Speed Test Quick Summary
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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
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priority - 8Leverage browser caching
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stackexchange.com Desktop Resource Breakdown
| Total Resources | 83 |
| Number of Hosts | 13 |
| Static Resources | 77 |
| JavaScript Resources | 6 |
| CSS Resources | 2 |
stackexchange.com mobile page speed rank
Last tested: 2019-12-02
Mobile Speed
Bad
59/100
stackexchange.com Mobile Speed Test Quick Summary
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
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priority - 22Optimize images
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priority - 12Leverage 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.gravatar.com/avatar/06effda2fb8b9b6487…denticon&r=PG&f=1&s=30 (5 minutes)
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https://ssl.google-analytics.com/ga.js (2 hours)
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stackexchange.com Mobile Resource Breakdown
| Total Resources | 83 |
| Number of Hosts | 14 |
| Static Resources | 77 |
| JavaScript Resources | 6 |
| CSS Resources | 2 |
stackexchange.com mobile page usability
Last tested: 2019-12-02
Mobile Usability
Bad
60/100
stackexchange.com Mobile Usability Test Quick Summary
priority - 40Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
About Us and 2 others render only 5 pixels tall (12 CSS pixels).Log in renders only 5 pixels tall (14 CSS pixels).By using our s…understand our and 3 others render only 5 pixels tall (14 CSS pixels).Terms of Service and 2 others render only 5 pixels tall (14 CSS pixels).All Sites and 2 others render only 5 pixels tall (14 CSS pixels).Stack Exchange…t. Here's how: renders only 7 pixels tall (18 CSS pixels).The right answ…Right on top. and 2 others render only 5 pixels tall (14 CSS pixels).Experts like y…easy to find. and 3 others render only 5 pixels tall (14 CSS pixels).174 renders only 5 pixels tall (14 CSS pixels).Learn more renders only 5 pixels tall (14 CSS pixels).hot renders only 5 pixels tall (12 CSS pixels).real-time renders only 5 pixels tall (12 CSS pixels).Can one get in…s indicating)? and 29 others render only 7 pixels tall (18 CSS pixels).ca.classical-analysis-and-odes and 75 others render only 4 pixels tall (11 CSS pixels).8 answers |…ov 28 at 20:37 and 89 others render only 4 pixels tall (11 CSS pixels).worldbuilding and 59 others render only 4 pixels tall (11 CSS pixels).next and 5 others render only 5 pixels tall (12 CSS pixels).30 and 1 others render only 5 pixels tall (12 CSS pixels).per page renders only 5 pixels tall (12 CSS pixels).Today's Featured Site and 2 others render only 6 pixels tall (15 CSS pixels).Anime & Manga Stack Exchange renders only 5 pixels tall (13 CSS pixels).Q&A for anime and manga fans renders only 5 pixels tall (12 CSS pixels).questions and 2 others render only 5 pixels tall (12 CSS pixels).JonathanReez Supports Monica and 29 others render only 5 pixels tall (12 CSS pixels).Science Fiction & Fantasy and 29 others render only 4 pixels tall (10 CSS pixels).Stack Overflow на русском and 9 others render only 5 pixels tall (12 CSS pixels).view all 174 sites » renders only 5 pixels tall (12 CSS pixels).hot questions feed renders only 5 pixels tall (14 CSS pixels).STACK EXCHANGE and 3 others render only 5 pixels tall (12 CSS pixels).Stack Overflow Business and 8 others render only 5 pixels tall (14 CSS pixels).Culture / Recreation and 4 others render only 5 pixels tall (14 CSS pixels).Facebook and 3 others render only 4 pixels tall (11 CSS pixels).site design /…licensed under and 2 others render only 4 pixels tall (11 CSS pixels).attribution required and 1 others render only 4 pixels tall (11 CSS pixels).rev 2019.11.29.35523 renders only 4 pixels tall (11 CSS pixels).priority - 21Size 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="/tour" class="-link">Tour</a> and 2 others are close to other tap targets.The tap target
<a href="https://stackexchange.com" class="-link js-site-…n js-gps-track"></a> is close to 2 other tap targets.The tap target
<a href="https://stacke…ckexchange.com" class="login-link s-b…8 js-gps-track">Log in</a> is close to 1 other tap targets.The tap target
<a href="https://stacko…service/public" class="s-link s-link_…rline fc-white">Terms of Service</a> is close to 2 other tap targets.The tap target
<a class="grid--cell fc-…s-notice-close"></a> is close to 2 other tap targets.The tap target
<a href="/" class="youarehere">hot</a> is close to 1 other tap targets.The tap target
<a href="/questions?tab=realtime">real-time</a> is close to 1 other tap targets.The tap target
<a href="https://mathov…-number-theory"></a> and 23 others are close to other tap targets.The tap target
<a href="https://mathov….number-theory" class="post-tag">nt.number-theory</a> and 72 others are close to other tap targets.The tap target
<a href="https://mathov…arya-schedrina">Darya Schedrina</a> and 50 others are close to other tap targets.The tap target
<a href="https://academ…ancer-research" class="question-link">How can a soft…ncer research?</a> and 23 others are close to other tap targets.The tap target
<a href="?pagesize=15" class="page-numbers">15</a> and 5 others are close to other tap targets.The tap target
<a href="?pagesize=30" class="current page-numbers">30</a> is close to 2 other tap targets.The tap target
<a href="https://mathov…arya-schedrina"></a> and 29 others are close to other tap targets.The tap target
<a href="https://mathov…arya-schedrina">Darya Schedrina</a> and 24 others are close to other tap targets.The tap target
<a href="https://stackoverflow.com">Stack Overflow</a> and 9 others are close to other tap targets.The tap target
<a href="https://stackoverflow.com">Stack Overflow</a> and 19 others are close to other tap targets.The tap target
<a href="/sites">view all 174 sites »</a> is close to 1 other tap targets.The tap target
<a href="/">Stack Exchange</a> and 3 others are close to other tap targets.The tap target
<a href="/about" class="js-gps-track -link">About</a> and 8 others are close to other tap targets.The tap target
<a href="#" class="-link _expanda…r js-gps-track">Technology</a> is close to 1 other tap targets.The tap target
<a href="https://stacko…low.blog?blb=1" class="js-gps-track -link">Blog</a> and 3 others are close to other tap targets.priority - 10Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
stackexchange.com HTML validation
Warnings
The “navigation” role is unnecessary for element “nav”.
Line: 43 Column: 17 - 87
"... <nav class="navigation" role="navigation" aria-label="site navigation"> ..."
"... <nav class="navigation" role="navigation" aria-label="site navigation"> ..."
The “contentinfo” role is unnecessary for element “footer”.
Line: 1425 Column: 5 - 73
"...iv> <footer id="footer" class="site-footer js-footer" role="contentinfo"> ..."
"...iv> <footer id="footer" class="site-footer js-footer" role="contentinfo"> ..."
Errors
The “aria-describedby” attribute must point to an element in the same document.
Line: 78 Column: 5 - 71
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 78 Column: 5 - 71
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 78 Column: 5 - 71
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 177 Column: 9 - 105
"... <div class="wmx8 mx-auto grid grid__center" role="alertdialog" aria-describedby="notice-message"> ..."
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 78 Column: 5 - 71
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 78 Column: 5 - 71
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 177 Column: 9 - 105
"... <div class="wmx8 mx-auto grid grid__center" role="alertdialog" aria-describedby="notice-message"> ..."
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stackexchange.com Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
stackexchange.com TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.