SUPERUSER.COM Super User

superuser.com Website Information

Daily Unique Visits: 443,371

Daily Page Views: 3,546,968

Income Per Day: $3,547

Estimated Value: $3,830,760

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.

superuser.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website superuser.com is using the following name servers:

  • ns-cloud-d1.googledomains.com
  • ns-cloud-d2.googledomains.com
  • ns-245.awsdns-30.com
  • ns-1699.awsdns-20.co.uk

and is probably hosted by FASTLY - Fastly, US. See the full list of other websites hosted by FASTLY - Fastly, US.

The highest website superuser.com position in Alexa rank database was 576 and the lowest rank position was 5757. Current position of superuser.com in Alexa rank database is 3437.

Desktop speed score of superuser.com (77/100) is better than the results of 66.78% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of superuser.com (80/100) is better than the results of 39.54% of other sites and means that the page is mobile-friendly.

Mobile speed score of superuser.com (70/100) is better than the results of 78.27% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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superuser.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.


superuser.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: SUPERUSER.COM
Registry Domain ID: 1650980_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2018-01-11T17:50:26Z
Creation Date: 1995-11-01T05:00:00Z
Registry Expiry Date: 2019-02-02T11:59:59Z
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-1699.AWSDNS-20.CO.UK
Name Server: NS-245.AWSDNS-30.COM
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: 2018-08-06T10:16:44Z

superuser.com server information

Servers Location

superuser.com desktop page speed rank

Last tested: 2016-06-12


Desktop Speed Medium
77/100

superuser.com Desktop Speed Test Quick Summary


priority - 14 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 139.7KiB (60% reduction).

Compressing http://cdn.sstatic.net/Js/full-anon.en.js?v=ad2c242f3b8e could save 75.6KiB (68% reduction).
Compressing http://cdn.sstatic.net/img/share-sprite-new.svg?v=78be252218f3 could save 24.1KiB (70% reduction).
Compressing http://cdn.sstatic.net/Js/stub.en.js?v=f1b75fae2d6c could save 23.5KiB (65% reduction).
Compressing http://cdn.sstatic.net/Sites/superuser/img/sprites.svg?v=6f5b3bbd35ac could save 15.5KiB (33% reduction).
Compressing http://cdn.sstatic.net/Js/explore-qlist.en.js?v=2a9a628fca7f could save 1.1KiB (64% reduction).

priority - 10 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.

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js
http://cdn.sstatic.net/Js/stub.en.js?v=f1b75fae2d6c

Optimize CSS Delivery of the following:

http://cdn.sstatic.net/Sites/superuser/all.css?v=d3a1b959ba43
http://static.adzerk.net/Extensions/adFeedback.css

priority - 2 Optimize images

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

Optimize the following images to reduce their size by 21.9KiB (15% reduction).

Losslessly compressing http://cdn.sstatic.net/img/favicons-sprite16.png?v=fc0e36c9a3a2 could save 11KiB (18% reduction).
Losslessly compressing http://sstatic.net/stackexchange/Img/launched-ads/tex.png?v=2 could save 10.9KiB (13% reduction).

priority - 2 Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 58% of the final above-the-fold content could be rendered with the full HTML response.

priority - 0 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)

priority - 0 Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 684B (34% reduction).

Minifying http://static.adzerk.net/Extensions/adFeedback.js could save 684B (34% reduction) after compression.

superuser.com Desktop Resource Breakdown

Total Resources26
Number of Hosts12
Static Resources15
JavaScript Resources11
CSS Resources2

superuser.com mobile page speed rank

Last tested: 2016-06-12


Mobile Speed Medium
70/100

superuser.com Mobile Speed Test Quick Summary


priority - 32 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js
http://cdn.sstatic.net/Js/stub.en.js?v=f1b75fae2d6c
http://cdn.sstatic.net/Js/mobile.en.js?v=3199d1e28733

Optimize CSS Delivery of the following:

http://cdn.sstatic.net/Sites/superuser/mobile.css?v=47747df4be1b

priority - 10 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 99.1KiB (67% reduction).

Compressing http://cdn.sstatic.net/Js/full-anon.en.js?v=ad2c242f3b8e could save 75.6KiB (68% reduction).
Compressing http://cdn.sstatic.net/Js/stub.en.js?v=f1b75fae2d6c could save 23.5KiB (65% reduction).

priority - 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)

priority - 0 Optimize images

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

Optimize the following images to reduce their size by 2.9KiB (21% reduction).

Losslessly compressing http://cdn.sstatic.net/img/share-sprite-new.png?v=e1b8bd67bc12 could save 2.9KiB (21% reduction).

superuser.com Mobile Resource Breakdown

Total Resources14
Number of Hosts7
Static Resources9
JavaScript Resources7
CSS Resources1

superuser.com mobile page usability

Last tested: 2016-06-12


Mobile Usability Medium
80/100

superuser.com Mobile Usability Test Quick Summary


priority - 22 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="/questions/ask">Ask</a> is close to 1 other tap targets.

The tap target <a href="/questions/108…ovo-yoga-2-pro" class="question-hyperlink">Installing kal…ovo yoga 2 pro</a> and 19 others are close to other tap targets.

The tap target <a href="/questions/tagged/linux" class="post-tag">linux</a> and 155 others are close to other tap targets.

The tap target <a href="/questions/108…o?lastactivity">5 mins ago</a> and 47 others are close to other tap targets.

The tap target <a href="/questions/108…o?lastactivity">5 mins ago</a> and 88 others are close to other tap targets.

The tap target <a href="/tour">tour</a> and 5 others are close to other tap targets.
The tap target <a href="https://play.g…xchange.marvin" class="android-mobile-ad">Download the S…ge Android app</a> is close to 1 other tap targets.

superuser.com Mobile Resource Breakdown

Total Resources14
Number of Hosts7
Static Resources9
JavaScript Resources7
CSS Resources1

superuser.com HTML validation

Errors

Attribute “itemprop” not allowed on element “meta” at this point.

Line: 16 Column: 5 - 160
"...s"/> <meta property="og:image" itemprop="image primaryImageOfPage" content="https://cdn.sstatic.net/Sites/superuser/img/apple-touch-icon@2.png?v=e869e4459439" /> <..." Line: 17 Column: 5 - 96
"...9" /> <meta name="twitter:title" property="og:title" itemprop="title name" content="Super User" /> <..." Line: 18 Column: 5 - 147
"...r" /> <meta name="twitter:description" property="og:description" itemprop="description" content="Q&amp;A for computer enthusiasts and power users" /> <..."

The “itemprop” attribute was specified, but the element is not a property of any item.

Line: 16 Column: 5 - 160
"...s"/> <meta property="og:image" itemprop="image primaryImageOfPage" content="https://cdn.sstatic.net/Sites/superuser/img/apple-touch-icon@2.png?v=e869e4459439" /> <..." Line: 17 Column: 5 - 96
"...9" /> <meta name="twitter:title" property="og:title" itemprop="title name" content="Super User" /> <..." Line: 18 Column: 5 - 147
"...r" /> <meta name="twitter:description" property="og:description" itemprop="description" content="Q&amp;A for computer enthusiasts and power users" /> <..."

Warnings

The “navigation” role is unnecessary for element “nav”.

Line: 79 Column: 17 - 87
"... <nav class="navigation" role="navigation" aria-label="site navigation"> ..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 1046 Column: 5 - 70
"...div> <footer id="footer" class="s-footer js-footer" role="contentinfo"> ..."

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superuser.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.


superuser.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.