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stackexchange.com

Website review stackexchange.com

 Generated on January 17 2017 05:12 AM

Old statistics? UPDATE !


The score is 57/100

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SEO Content
Title

Hot Questions - Stack Exchange



Length : 30

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Description



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Keywords



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Og Meta Properties This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
H1 H2 H3 H4 H5 H6
1 30 1 0 0 0
  • [H1] Stack Exchange
  • [H2] Primes with prime bit-counts
  • [H2] Is it possible to make an alloy that melts at low temperatures and solidifies at high temperatures?
  • [H2] Why don't we use weights to store energy?
  • [H2] How can I avoid being “the negative one” when giving feedback on statistics?
  • [H2] Proof of an inequality using Cauchy's inequality
  • [H2] Could humanity survive in a closed box?
  • [H2] Is there a way to show only uncommented lines in a text file/script?
  • [H2] What does the line “So long and thanks for all the fish!” mean?
  • [H2] Is it possible to have a 3x3 matrix which is orthogonal as well as skew symmetric?
  • [H2] Why would one aim off when navigating with a map and compass?
  • [H2] Should I ask my co-author before I upload an article (that he already told me is okay to publish) to arXiv?
  • [H2] Can political debates really work?
  • [H2] What was Admiral Ackbar's name?
  • [H2] What is the difference between “cat file | ./binary” and “./binary < file”?
  • [H2] Dijkstra path finding in C# is 15x slower than C++ version
  • [H2] Where to get offline maps for Cairo?
  • [H2] Hidden Inversions (Cops' Thread)
  • [H2] NVMe ssd: Why is 4k writing faster than reading?
  • [H2] Why is the second derivative of this function a straight line?
  • [H2] How to subtly hint at “Boss Fight mechanics”
  • [H2] What is “Hammertime” in reference to?
  • [H2] How does a self-cleaning kitchen put away the dishes?
  • [H2] Whats wrong if “Löschprotokolldatei konnte nicht angelegt werden”?
  • [H2] What kind of screw is this?
  • [H2] Do I need knowledge of American culture and history to enjoy Forrest Gump?
  • [H2] Payroll tax on wheat given as wages
  • [H2] Have orchestras included any modern instrument lately?
  • [H2] Is there a specific word for a two-floored house?
  • [H2] How to stop .bashrc to run sub-command at startup?
  • [H2] Is there an RGB equivalent for smells?
  • [H3] Stack Exchange Q&A communities are different. Here's how:
Images We found 76 images on this web page.

10 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio Ratio : 34%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe Great, there are no Iframes detected on this page.

URL Rewrite Good. Your links looks friendly!
Underscores in the URLs Perfect! No underscores detected in your URLs.
In-page links We found a total of 186 links including 0 link(s) to files



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Proof of an inequality using Cauchy's inequality Internal Passing Juice
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Should I ask my co-author before I upload an article (that he already told me is okay to publish) to arXiv? Internal Passing Juice
publications Internal Passing Juice
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Can political debates really work? Internal Passing Juice
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What was Admiral Ackbar's name? Internal Passing Juice
star-wars Internal Passing Juice
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What is the difference between “cat file | ./binary” and “./binary < file”? Internal Passing Juice
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io-redirection Internal Passing Juice
Boris Internal Passing Juice
Dijkstra path finding in C# is 15x slower than C++ version Internal Passing Juice
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How to subtly hint at “Boss Fight mechanics” Internal Passing Juice
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What is “Hammertime” in reference to? Internal Passing Juice
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Do I need knowledge of American culture and history to enjoy Forrest Gump? Internal Passing Juice
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SEO Keywords
Keywords Cloud linux answers unix worldbuilding hours exchange ago asked mathematics stack
Keywords Consistency
Keyword Content Title Keywords Description Headings
answers 32
stack 31
asked 30
ago 26
exchange 26

Usability
Url Domain : stackexchange.com
Length : 17
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.
Dublin Core This page does not take advantage of Dublin Core.

Document
Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 10
Warnings : 1
Email Privacy Great no email address has been found in plain text!
Deprecated HTML Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Great, your website has few CSS files.
Perfect, your website has few JavaScript files.
Perfect, your website takes advantage of gzip.

Mobile
Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content

Optimization
XML Sitemap Missing

Your website does not have an XML sitemap - this can be problematic.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt http://stackexchange.com/robots.txt

Great, your website has a robots.txt file.
Analytics Great, your website has an analytics tool.

   Google Analytics
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PageSpeed Insights

64 / 100    Speed
  Should Fix:
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:

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  • http://www.google-analytics.com/ga.js (2 hours)
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 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://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js
  • https://cdn.sstatic.net/stackexchange/js/master.js?v=d6f8adf73d66
  • https://cdn.sstatic.net/stackexchange/js/universal-login.js?v=fbe5a429e6dc

Optimize CSS Delivery of the following:

  • https://cdn.sstatic.net/Shared/TopBar/topbar.css
  • https://cdn.sstatic.net/stackexchange/all.css?v=8653aad3b39c
Show how to fix
  Consider Fixing:
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 29.6KiB (43% reduction).

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Show how to fix
  7 Passed Rules
Show details
Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Enable compression

You have compression enabled. Learn more about enabling compression.

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Minify CSS

Your CSS is minified. Learn more about minifying CSS.

Minify HTML

Your HTML is minified. Learn more about minifying HTML.

Minify JavaScript

Your JavaScript content is minified. Learn more about minifying JavaScript.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.

60 / 100    User Experience
  Should Fix:
Configure 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.

Configure a viewport for this page.

Show how to fix
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="//stackexchange.com" class="topbar-icon ic…n js-gps-track">Stack Exchange</a> is close to 1 other tap targets final.
  • The tap target <a href="https://stacke…create-account">sign up</a> and 4 others are close to other tap targets final.
  • The tap target <a href="/" class="youarehere">hot</a> is close to 1 other tap targets final.
  • The tap target <a href="/questions?tab=realtime">real-time</a> is close to 1 other tap targets final.
  • The tap target <a href="http://codegol…ime-bit-counts"></a> and 26 others are close to other tap targets final.
  • The tap target <a href="http://codegol…ime-bit-counts" class="question-link">Primes with prime bit-counts</a> and 23 others are close to other tap targets final.
  • The tap target <a href="http://codegol…gged/code-golf" class="post-tag">code-golf</a> and 81 others are close to other tap targets final.
  • The tap target <a href="http://worldbu…rs/32119/garto">Garto</a> and 38 others are close to other tap targets final.
  • 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="http://codegol…upad-mamadapur"></a> and 29 others are close to other tap targets final.
  • The tap target <a href="http://worldbu…rs/32119/garto">Garto</a> and 48 others are close to other tap targets final.
  • The tap target <a href="http://stackoverflow.com">Stack Overflow</a> and 9 others are close to other tap targets.
  • The tap target <a href="/sites">view all 162 sites »</a> is close to 1 other tap targets.
  • The tap target <a href="http://stackoverflow.blog">blog</a> and 2 others are close to other tap targets.
  • The tap target <a href="https://plus.g…+StackExchange" class="google-plus-icon"> is close to 3 other tap targets.
  • The tap target <a href="http://www.fac…/stackexchange" class="facebook-icon"> is close to 3 other tap targets.
  • The tap target <a href="http://twitter…/stackexchange" class="twitter-icon"> is close to 2 other tap targets.
  • The tap target <a href="https://creati…ses/by-sa/3.0/">cc by-sa 3.0</a> and 1 others are close to other tap targets.
Show how to fix
Use 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 4 others render only 5 pixels tall (13 CSS pixels) final.
  • Newsletters and 3 others render only 5 pixels tall (14 CSS pixels) final.
  • Stack Exchange…t. Here&#39;s how: renders only 7 pixels tall (18 CSS pixels) final.
  • The right answ…Right on top. and 2 others render only 5 pixels tall (14 CSS pixels) final.
  • Experts like y…easy to find. and 3 others render only 5 pixels tall (14 CSS pixels) final.
  • 162 renders only 5 pixels tall (14 CSS pixels) final.
  • Learn more renders only 5 pixels tall (14 CSS pixels) final.
  • hot renders only 5 pixels tall (12 CSS pixels) final.
  • real-time renders only 5 pixels tall (12 CSS pixels) final.
  • Should I ask m…ish) to arXiv? and 29 others render only 7 pixels tall (18 CSS pixels) final.
  • worldbuilding-resources and 81 others render only 4 pixels tall (11 CSS pixels) final.
  • 20 answers |…d 14 hours ago and 89 others render only 4 pixels tall (11 CSS pixels) final.
  • worldbuilding and 59 others render only 4 pixels tall (11 CSS pixels) final.
  • 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&#39;s Featured Site and 2 others render only 6 pixels tall (15 CSS pixels) final.
  • Science Fictio…Stack Exchange renders only 5 pixels tall (13 CSS pixels) final.
  • Q&amp;A for scienc…sy enthusiasts renders only 5 pixels tall (12 CSS pixels) final.
  • questions and 2 others render only 5 pixels tall (12 CSS pixels) final.
  • English Language &amp; Usage St... and 39 others render only 5 pixels tall (12 CSS pixels) final.
  • Programming Puzzles &amp; Code ... and 29 others render only 4 pixels tall (10 CSS pixels) final.
  • view all 162 sites » renders only 5 pixels tall (12 CSS pixels).
  • hot questions feed renders only 5 pixels tall (14 CSS pixels).
  • feedback always welcome and 6 others render only 5 pixels tall (12 CSS pixels).
  • site design /…licensed under and 1 others render only 5 pixels tall (12 CSS pixels).
  • attribution required and 1 others render only 5 pixels tall (12 CSS pixels).
  • 2017.1.10.10305 renders only 5 pixels tall (12 CSS pixels).
Show how to fix
  2 Passed Rules
Show details
Avoid plugins

Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.

Size content to viewport

The contents of your page fit within the viewport. Learn more about sizing content to the viewport.

79 / 100    Speed
  Should Fix:
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:

  • http://www.gravatar.com/avatar/1cafdd86935d282dd9dfa30769729afa?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/2a2134242cfe0cb91d867244fa54c084?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/3331bf422885f7964856b429f1d1b18b?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/3ad32697402bb21379768728e8640a22?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/47ca527869fffd610c75ad458c09c17f?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/49d2c6a3211e30317db4109ec2439e92?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/6ce3a2da785c7858046a3c666d8aa36e?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/73057b87ba2ce1b0c3badca6abb2440c?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/957a61695b0d690167b676c4d7c5b7ed?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/96a3e439e8a480b7f29a9efaedf91a6c?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/97d59d6e8f1af4a23d5d983f18b90ef2?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/9a15cf974de429da48220dc5090204d6?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/9e6b452cd699d5aaf5a6db5c61777ab2?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/a7efd5c795e9797c30fce4126daaa9c0?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/ab5add08faa91254518b859129784055?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/d346c99787b3b15518de28e00c48dada?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/dc753f3f557a5f9af12e0af87ccde55a?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/dd7592c7123ed892b63f3bf0b1e9e843?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/e800f46627112c8eaec0947e4ce88c8b?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/f3e8e13519f45ac41496e9d87d13e138?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.gravatar.com/avatar/f90984ad0b6147f68c5044f4a12252b2?s=16&d=identicon&r=PG&s=30 (5 minutes)
  • http://www.google-analytics.com/ga.js (2 hours)
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 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://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js
  • https://cdn.sstatic.net/stackexchange/js/master.js?v=d6f8adf73d66
  • https://cdn.sstatic.net/stackexchange/js/universal-login.js?v=fbe5a429e6dc

Optimize CSS Delivery of the following:

  • https://cdn.sstatic.net/Shared/TopBar/topbar.css
  • https://cdn.sstatic.net/stackexchange/all.css?v=8653aad3b39c
Show how to fix
  Consider Fixing:
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 29.3KiB (44% reduction).

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Show how to fix
  7 Passed Rules
Show details
Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Enable compression

You have compression enabled. Learn more about enabling compression.

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Minify CSS

Your CSS is minified. Learn more about minifying CSS.

Minify HTML

Your HTML is minified. Learn more about minifying HTML.

Minify JavaScript

Your JavaScript content is minified. Learn more about minifying JavaScript.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.

* The results are cached for 30s. If you have made changes to your page, please wait for 30s before re-running the test.

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