w3c-schools.com

Tasks

Make the site mobile device friendly.
Select one version of your site as main and make a redirect from other versions to that one.
Avoid using deprecated HTML tags.
Try to make your site load faster.

SEO

URL

Domain : www.w3c-schools.com/

Character length : 20

Title

W3Schools Online Web Tutorials|W3C Online Manual

Description

HTML CSS JavaScript jQuery AJAX XML ASP.NET SQL Tutorials References Examples

Keywords (meta keywords)

HTML,CSS,DOM,JavaScript,jQuery,XML,AJAX,ASP.NET,W3C,tutorials,programming,learning,guide,primer,lessons,school,howto,reference,examples,source code,demos,color tables,Cascading Style Sheets,Active Ser

Error! Using “meta keywords” is meaningless in a while.

Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core

Dublin Core is not used

Underscores in the URLs

Error! Hyphen (-) is a better solution than underscore (_) in the URLs

http://www.w3c-schools.com/html/html5_intro.asp.htm ("HTML5")
http://www.w3c-schools.com/css/css3_intro.asp.htm ("CSS3")
http://www.w3c-schools.com/website/web_validate.asp.htm ("Web Validation")
http://www.w3c-schools.com/sql/sql_quickref.asp.htm ("SQL Reference")
http://www.w3c-schools.com/php/php_ref_array.asp.htm ("PHP Reference")
http://www.w3c-schools.com/jquery/jquery_ref_selectors.asp.htm ("JQuery Reference")
http://www.w3c-schools.com/sitemap/sitemap_references.asp.htm ("References")
http://www.w3c-schools.com/tags/ref_colornames.asp.htm ("HTML Color")
http://www.w3c-schools.com/charsets/ref_html_symbols.asp.htm ("HTML Symbols")
http://www.w3c-schools.com/cssref/css3_browsersupport.asp.htm ("CSS3 Support")
http://www.w3c-schools.com/jquery/jquery_ref_selectors.asp.htm ("jQuery")
http://www.w3c-schools.com/.. /jquerymobile_ref_data.asp.htm ("jQuery Mobile")
http://www.w3c-schools.com/googleAPI/google_maps_ref.asp.htm ("Google Maps")
http://www.w3c-schools.com/php/php_ref_array.asp.htm ("PHP")
http://www.w3c-schools.com/sql/sql_quickref.asp.htm ("SQL")
http://www.w3c-schools.com/aspnet/aspnet_refhtmlcontrols.asp.htm ("ASP.NET")
http://www.w3c-schools.com/dom/dom_nodetype.asp.htm ("XML DOM")
http://www.w3c-schools.com/xsl/xsl_w3celementref.asp.htm ("XSLT")
http://www.w3c-schools.com/xpath/xpath_functions.asp.htm ("XPath")
http://www.w3c-schools.com/svg/svg_reference.asp.htm ("SVG")
http://www.w3c-schools.com/sitemap/sitemap_examples.asp.htm ("1000+ Examples")
http://www.w3c-schools.com/tags/ref_colorpicker.asp.htm ("Color Picker")
http://www.w3c-schools.com/about/about_advert.asp.htm ("ADVERTISE WITH US")
Expand

Search engine friendly URLs

Good! The website uses SEO friendly URLs.

Checking the robots.txt file

The robots.txt file is missing!

Social

Social Engagement

No info found.

Content

Doctype

HTML 5

Encoding

Perfect! The character encoding is set: UTF-8.

Language

We have found the language localisation: ”en”.

Title

W3Schools Online Web Tutorials|W3C Online Manual

Character length : 48

Good! The title’s length is between 10 and 70 characters.

Text / HTML ratio

Ratio : 12%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.

Headings

H1	H2	H3	H4	H5	H6
8	1	6	0	0	0

Heading structure in the source code

<H3> HTML/CSS Manual
<H3> JavaScript Manual
<H3> Server Side Manual
<H3> XML Tutorials Manual
<H3> WEB Building Manual
<H1> HTML
<H1> CSS
<H1> JavaScript
<H1> JS
<H1> SQL
<H1> PHP
<H1> JQuery
<H2> Learn Web Building
<H1> References
<H3> Color Picker

Word cloud

web10
html7
tutorial7
reference6
jquery6
javascript6
sql5
manual5
php5
building5
css5
xml4
learn4
examples3
dom3
asp3
xpath2
xslt2
svg2
all2
color2
website2
references2
certificates2
how2
net2
google2
tutorials2
maps2

Keyword matrix

word	title	descriptions	heading
web
html
tutorial
reference
jquery
javascript

404 Page

The website has a 404 error page.

Flash content

Good! The website does not have any flash contents.

Frame

Good! The website does not use iFrame solutions.

Images

We found 0 images on this web page.

Good! Every image has an alternative text attributes set on this website.

Readability

Flesch–Kincaid Grade Level

4.80

Flesch Reading Ease

77.80

Coleman Liau Index

9.80

Automated Readability Index (ARI)

3.80

Dale–Chall Readability

9.40

SMOG Index

9.10

Spache Readibility

5.00

Number of letters

6078

Number of words

1398

Number of sentences

146

Average words per sentences

Number of syllables

1972

Syllables in words

1741

Average syllables in words

1.41

Number of words in first three syllables

155

Percentage of word / syllables

11.09

Words not in Dale-Chall easy-word list

792

Words not in Spache easy-word list

177

Technologies

Mobile optimization

Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 1200px wide display!

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Redirection (www / not www)

Error! The web address is accessible with and without www!

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Printability

Suggestion! Unfortunately, no printer-friendly CSS found.

Meta Tag (viewport tag, mobile devices)

Error! The meta tag named viewport is missing.

Speed test

Server response time

The server response time is fast enough.

Loading time

9,636 ms

Table layout

Good! No nested tables found.

Number of HTTP resources

Number of source domains

Render blocking resources

Good! No render blocking elements found!

Speed test – Javascript

Javascript

Good! Just a few javascript files are detected on the website.

File size of all javascript files combined

541.72KB

Javascript minifying

Great! The Javascript files are minified.

Speed test – CSS

CSS

Good! Just a few CSS files are used on this website.

File size of all css files combined

0.00

CSS minifying

Great! The CSS elements are minified.

Speed test – Compression

Uncompressed size of the of the HTML

38.56KB

Gzip compression

Error! By using Gzip you can save 13.9KB (74% compression) on your site.

By compressing http://www.w3c-schools.com you can save 13.9KB (74% compression rate)

Speed test – Browser cache

Number of static resources (image, JS, CSS)

Browser cache

The browser cache is not set correctly for all elements.

URL	Duration
http://www.w3c-schools.com/images/colorpicker.gif	Expiry time is not specified
http://www.w3c-schools.com/images/navsearch.gif	Expiry time is not specified
http://www.w3c-schools.com/images/w3logo.png	Expiry time is not specified
http://www.w3c-schools.com/w3frontimage.png	Expiry time is not specified
https://apis.google.com/js/platform.js	30 minutes
https://apis.google.com/js/rpc:shindig_random.js?onload=init	30 minutes
http://www.google-analytics.com/analytics.js	2 hours

Speed test – Images

File size of all images combined

47.55KB

Image optimisation

You can save 17.1KB (39% compression) by optimising the images below:

By lossless compressing the http://www.w3c-schools.com/w3frontimage.png you can save 16.3KB (40%) data.
By lossless compressing the http://www.w3c-schools.com/images/colorpicker.gif you can save 840B (26%) data.

Traffic

Alexa

952959

Links

We found a total of 72 different links.
Internal links: 72

External links:

Link text (anchor)	Link strength

Internal links:

Link text (anchor)	Link strength
HTML
HTML5
CSS
CSS3
JavaScript
jQuery
jQueryMobile
AngularJS
AJAX
JSON
Google Maps
SQL
PHP
ASP
ASP.NET
VBScript
AppML
XML
DTD
Schema
XML DOM
XPath
XSLT
XQuery
XSL-FO
SVG
RSS
WSDL
Web Primer
Web Building
Web Statistics
Web Validation
Web Certificates
HTML Tutorial
HTML Tag Reference
CSS Tutorial
CSS Reference
JavaScript JS
JavaScript Tutorial
JavaScript Reference
SQL Tutorial
SQL Reference
PHP Tutorial
PHP Reference
JQuery
JQuery Tutorial
JQuery Reference
Web Building Tutorial
References
HTML/HTML5 Tags
HTML Color
HTML Characters
HTML Symbols
CSS 1,2,3
CSS3 Support
JavaScript
HTML DOM
jQuery
jQuery Mobile
Google Maps
PHP
SQL
ASP.NET
XML DOM
XSLT
XPath
SVG
1000+ Examples
Color Picker
Home
ABOUT
ADVERTISE WITH US

Website security

107.151.134.19

External hidden links

Good! No hidden external links found

Looking for eval()

Good! No eval(bas64_decode()) scripts are found

Checking for XSS vulnerability

No XSS vulnerability found

Email encryption

Good! We have not found any unencrypted email addresses.

Sites on same ip

teshome.org

springmachine.net

mymitech.com

hongyemachining.com

teshome.net

Icons

Favicon

Good! The website uses favicon.

Order of Heading elements on mobile by position

H1 : JS, ( 0px from top )
H3 : HTML/CSS Manual, ( 200px from top )
H1 : HTML, ( 210px from top )
H1 : CSS, ( 210px from top )
H1 : JavaScript, ( 210px from top )
H3 : JavaScript Manual, ( 327px from top )
H1 : SQL, ( 446px from top )
H1 : PHP, ( 446px from top )
H1 : JQuery, ( 446px from top )
H3 : Server Side Manual, ( 514px from top )
H1 : References, ( 672px from top )
H3 : XML Tutorials Manual, ( 681px from top )
H2 : Learn Web Building, ( 703px from top )
H3 : WEB Building Manual, ( 948px from top )
H3 : Color Picker, ( 1010.375px from top )

Typos

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SEO report of w3c-schools.com