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w3schools.com

Website review w3schools.com

 Generated on April 13 2017 07:23 AM

Old statistics? UPDATE !


The score is 47/100

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SEO Content

Title

W3Schools Online Web Tutorials



Length : 30

Perfect, your title contains between 10 and 70 characters.
Description



Length : 0

Very bad. We haven't found meta description on your page. Use this free online meta tags generator to create description.
Keywords

HTML,CSS,JavaScript,DOM,jQuery,PHP,SQL,XML,Bootstrap,Web,W3CSS,W3C,tutorials,programming,development,training,learning,quiz,primer,lessons,reference,examples,source code,colors,demos,tips,w3c



Good, your page contains meta keywords.
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
4 7 16 15 0 0
  • [H1] HTML
  • [H1] CSS
  • [H1] CSS
  • [H1] JavaScript
  • [H2] SQL
  • [H2] PHP
  • [H2] jQuery
  • [H2] W3.CSS
  • [H2] Color Picker
  • [H2] Bootstrap
  • [H2] Web Templates
  • [H3] HTML and CSS
  • [H3] JavaScript
  • [H3] Server Side
  • [H3] Web Building
  • [H3] XML Tutorials
  • [H3] HTML
  • [H3] CSS
  • [H3] JavaScript
  • [H3] XML
  • [H3] Character Sets
  • [H3] Server Side
  • [H3] HTML and CSS
  • [H3] JavaScript
  • [H3] XML
  • [H3] Server Side
  • [H3] Quizzes
  • [H4] HTML and CSS
  • [H4] JavaScript
  • [H4] Server Side
  • [H4] Web Building
  • [H4] XML Tutorials
  • [H4] HTML Example:
  • [H4] CSS Example:
  • [H4] CSS Example:
  • [H4] JavaScript Example:
  • [H4] A language for accessing databases
  • [H4] A web server programming language
  • [H4] A JavaScript library for developing web pages
  • [H4] A modern CSS framework for faster and better responsive web sites
  • [H4] Bootstrap is a CSS framework for designing better web pages
  • [H4] Browse our selection of free responsive HTML Templates
Images We found 4 images on this web page.

1 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 : 8%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash Perfect, no Flash content has been detected on this page.
Iframe Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.

URL Rewrite Good. Your links looks friendly!
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 94 links including 0 link(s) to files



Anchor Type Juice
External Passing Juice
Learn HTML Internal Passing Juice
Learn CSS Internal Passing Juice
Learn W3.CSS Internal Passing Juice
Learn Colors Internal Passing Juice
Learn Bootstrap Internal Passing Juice
Learn Icons Internal Passing Juice
Learn Graphics Internal Passing Juice
Learn How To Internal Passing Juice
Learn JavaScript Internal Passing Juice
Learn W3.JS Internal Passing Juice
Learn jQuery Internal Passing Juice
Learn jQueryMobile Internal Passing Juice
Learn AppML Internal Passing Juice
Learn AngularJS Internal Passing Juice
Learn JSON Internal Passing Juice
Learn AJAX Internal Passing Juice
Learn SQL Internal Passing Juice
Learn PHP Internal Passing Juice
Learn ASP Internal Passing Juice
Web Templates Internal Passing Juice
Web Statistics Internal Passing Juice
Web Certificates Internal Passing Juice
Learn XML Internal Passing Juice
Learn XML AJAX Internal Passing Juice
Learn XML DOM Internal Passing Juice
Learn XML DTD Internal Passing Juice
Learn XML Schema Internal Passing Juice
Learn XSLT Internal Passing Juice
Learn XPath Internal Passing Juice
Learn XQuery Internal Passing Juice
HTML Tag Reference Internal Passing Juice
HTML Event Reference Internal Passing Juice
HTML Attribute Reference Internal Passing Juice
HTML Canvas Reference Internal Passing Juice
HTML SVG Reference Internal Passing Juice
Google Maps Reference Internal Passing Juice
CSS Reference Internal Passing Juice
CSS Selector Reference Internal Passing Juice
W3.CSS Reference Internal Passing Juice
Bootstrap Reference Internal Passing Juice
Icon Reference Internal Passing Juice
JavaScript Reference Internal Passing Juice
W3.JS Reference Internal Passing Juice
jQuery Reference Internal Passing Juice
jQuery Mobile Reference Internal Passing Juice
AngularJS Reference Internal Passing Juice
XML DOM Reference Internal Passing Juice
XML Http Reference Internal Passing Juice
XSLT Reference Internal Passing Juice
XML Schema Reference Internal Passing Juice
HTML Character Sets Internal Passing Juice
HTML ASCII Internal Passing Juice
HTML ANSI Internal Passing Juice
HTML ISO-8859-1 Internal Passing Juice
HTML Symbols Internal Passing Juice
HTML UTF-8 Internal Passing Juice
PHP Reference Internal Passing Juice
SQL Reference Internal Passing Juice
ASP Reference Internal Passing Juice
HTML Examples Internal Passing Juice
CSS Examples Internal Passing Juice
W3.CSS Examples Internal Passing Juice
Bootstrap Examples Internal Passing Juice
JavaScript Examples Internal Passing Juice
HTML DOM Examples Internal Passing Juice
W3.JS Examples Internal Passing Juice
jQuery Examples Internal Passing Juice
jQuery Mobile Examples Internal Passing Juice
AngularJS Examples Internal Passing Juice
AJAX Examples Internal Passing Juice
XML Examples Internal Passing Juice
XSLT Examples Internal Passing Juice
XPath Examples Internal Passing Juice
XML Schema Examples Internal Passing Juice
AJAX Examples Internal Passing Juice
SVG Examples Internal Passing Juice
PHP Examples Internal Passing Juice
ASP Examples Internal Passing Juice
HTML Quiz Internal Passing Juice
CSS Quiz Internal Passing Juice
JavaScript Quiz Internal Passing Juice
Bootstrap Quiz Internal Passing Juice
jQuery Quiz Internal Passing Juice
PHP Quiz Internal Passing Juice
SQL Quiz Internal Passing Juice
XML Quiz Internal Passing Juice
Try it Yourself » Internal Passing Juice
Try it Yourself » Internal Passing Juice
Try it Yourself » Internal Passing Juice
FORUM Internal Passing Juice
ABOUT Internal Passing Juice
terms of use Internal Passing Juice
cookie and privacy policy Internal Passing Juice

SEO Keywords

Keywords Cloud html javascript web learn quiz jquery reference xml examples css
Keywords Consistency
Keyword Content Title Keywords Description Headings
learn 54
reference 25
html 23
examples 21
xml 20

Usability

Url Domain : w3schools.com
Length : 13
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 : 4
Warnings : 0
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://w3schools.com/robots.txt

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

   Google Analytics
   Quantcast

PageSpeed Insights


84 / 100    Speed
  Consider Fixing:
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.w3schools.com/detroitchicago/rochester.js?cb=156-3&v=7 (5 minutes)
  • https://cse.google.com/adsense/search/async-ads.js (60 minutes)
  • https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
  • https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
  • https://www.google.com/jsapi?autoload=%7B%22modules%22%3A%5B%7B%22name%22%3A%22search%22%2C%22version%22%3A%221.0%22%2C%22callback%22%3A%22__gcse.scb%22%2C%22style%22%3A%22https%3A%2F%2Fwww.google.com%2Fcse%2Fstatic%2Fstyle%2Flook%2Fv2%2Fdefault.css%22%2C%22language%22%3A%22en%22%7D%5D%7D (60 minutes)
  • https://ssl.google-analytics.com/ga.js (2 hours)
  • https://www.google-analytics.com/analytics.js (2 hours)
  • https://www.w3schools.com/images/colorpicker.png (4 hours)
  • https://www.w3schools.com/lib/fonts/fontawesome.woff?14663396 (4 hours)
  • https://www.w3schools.com/lib/w3codecolor.js (4 hours)
  • https://www.w3schools.com/w3css/3/w3.css (4 hours)
  • https://www.w3schools.com/w3css_templates.jpg (4 hours)
Show how to fix
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 4.4KiB (35% reduction).

  • Minifying https://www.google.com/uds/api/search/1.0/584853a42cc2f90f5533642697d97114/default+en.css could save 3.9KiB (40% reduction) after compression.
  • Minifying https://www.google.com/cse/static/style/look/v2/default.css could save 555B (18% reduction) after compression.
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 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.

Optimize CSS Delivery of the following:

  • https://www.w3schools.com/w3css/3/w3.css
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 864B (84% reduction).

  • Compressing https://www.google.com/uds/css/v2/search_box_icon.png could save 864B (84% reduction).
Show how to fix
  6 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 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.


99 / 100    User Experience
  Consider Fixing:
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="/about/about_copyright.asp" class="w3-hover-text-green">terms of use</a> and 1 others are close to other tap targets.
Show how to fix
  4 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.

Configure the viewport

Your page specifies a viewport matching the device's size, which allows it to render properly on all devices. Learn more about configuring viewports.

Size content to viewport

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

Use legible font sizes

The text on your page is legible. Learn more about using legible font sizes.


86 / 100    Speed
  Consider Fixing:
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.w3schools.com/detroitchicago/rochester.js?cb=156-3&v=7 (5 minutes)
  • https://cse.google.com/adsense/search/async-ads.js (60 minutes)
  • https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
  • https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
  • https://www.google.com/jsapi?autoload=%7B%22modules%22%3A%5B%7B%22name%22%3A%22search%22%2C%22version%22%3A%221.0%22%2C%22callback%22%3A%22__gcse.scb%22%2C%22style%22%3A%22https%3A%2F%2Fwww.google.com%2Fcse%2Fstatic%2Fstyle%2Flook%2Fv2%2Fdefault.css%22%2C%22language%22%3A%22en%22%7D%5D%7D (60 minutes)
  • https://ssl.google-analytics.com/ga.js (2 hours)
  • https://www.google-analytics.com/analytics.js (2 hours)
  • https://www.w3schools.com/images/colorpicker.png (4 hours)
  • https://www.w3schools.com/lib/fonts/fontawesome.woff?14663396 (4 hours)
  • https://www.w3schools.com/lib/w3codecolor.js (4 hours)
  • https://www.w3schools.com/w3css/3/w3.css (4 hours)
  • https://www.w3schools.com/w3css_templates.jpg (4 hours)
Show how to fix
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 4.4KiB (35% reduction).

  • Minifying https://www.google.com/uds/api/search/1.0/584853a42cc2f90f5533642697d97114/default+en.css could save 3.9KiB (40% reduction) after compression.
  • Minifying https://www.google.com/cse/static/style/look/v2/default.css could save 555B (18% reduction) after compression.
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 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.

Optimize CSS Delivery of the following:

  • https://www.w3schools.com/w3css/3/w3.css
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 66.1KiB (93% reduction).

  • Compressing and resizing https://www.w3schools.com/w3css_templates.jpg could save 65.2KiB (93% reduction).
  • Compressing https://www.google.com/uds/css/v2/search_box_icon.png could save 864B (84% reduction).
Show how to fix
  6 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 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.