- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.19 s
File size
26.50 kB
Media files
Number of links
20 internal / 18 external

Task list of SEO Improvements

Meta specifications

(Critically important)
The W3C Markup Validation Service
The length of the page title is perfect. (324 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
W3C's easy-to-use markup validation service, based on SGML and XML parsers.
The length of the meta description is perfect. (500 pixels out of 1000 max pixel length)
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

keywordsHTML, HyperText Markup Language, Validation, W3C Markup Validation Service
descriptionW3C's easy-to-use markup validation service, based on SGML and XML parsers.

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Page quality

(Critically important)
Only 2 paragraph/s was/were found on this page.
There are only 289 words on this page. Good pages should have about 800 words of useful content.
25.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 20.25 words is good.
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle Logo
/images/opensource-55x48.pngOpen-SourceWe are building certified Open Source/Free Software. - see heart Validator logo Validators Donation Program

Page structure

H1 heading
(Critically important)
Markup Validation Service W3C Logo
The H1 heading is perfect.
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Markup Validation Service W3C Logo
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 18 external links on this page.
LinkAttributesAnchor text IMG-ALT W3C Logo Validation Service Validate by URI Validate by File Upload Validate by Direct Input More Options Text duplicate More Options information page Text duplicate More Options
/docs/help.htmlmarkup validity
A-TITLE What is markup validation? feeds
A-TITLE Feed validator, hosted at W3C CSS stylesheets
A-TITLE W3C CSS Validation Service content
A-TITLE MobileOK Checker
/checklinkfind broken links
A-TITLE W3C Link Checker other validators and tools validator
A-TITLE Go to the Home Page for The W3C Markup Validation Service
A-TITLE Information About this Service
A-TITLE The changes made to this service recently
A-TITLE Documentation for this Service
/docs/help.htmlHelp & FAQ
A-TITLE Help and answers to frequently asked questions
A-TITLE How to provide feedback on this service
A-TITLE How to contribute to the validator project IMG-ALT W3C
A-TITLE W3C's Open Source, bringing you free Web quality tools and more IMG-ALT I heart Validator logo
/whatsnew.htmlv1.3+hg Anchor Copyright Text duplicate W3C MIT ERCIM Keio Subdomain Beihang Anchor liability Anchor trademark document use software licensing Anchor public Anchor Member

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
(Somewhat important)
The page response time is excellent with 0.19 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (27 kB).

HTTP Response Header

dateFri, 09 Jul 2021 07:58:13 GMT
serverApache/2.4.38 (Debian)
expiresFri, 16 Jul 2021 07:58:13 GMT
content-typetext/html; charset=utf-8

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 317,376 referring domains.
This page has 1,731,981,207 backlinks.
This page has backlinks from 159,822 different ip addresses.
Facebook popularity
(Somewhat important)
This page has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.


# robots.txt for

User-agent: *
Disallow: /check
Disallow: /feed/check
Disallow: /checklink
Disallow: /mobile/check
Disallow: /mobile/alpha
Disallow: /css-validator
Disallow: /unicorn/check
Disallow: /http-checker
Disallow: /i18n-checker/check
Disallow: /nu

Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview
The W3C Markup Validation Service
W3C's easy-to-use markup validation service, based on SGML and XML parsers.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

W3C Markup75%Check
W3C Markup Validation Service74%Check
Validation Service73%Check
Markup Validation Service73%Check
Source Clean up Markup55%Check
Show Source Clean up45%Check

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