Schema.org - SEO Checker

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Overview of the SEO Check
Meta information
96% 
Page quality
48% 
Page structure
60% 
Link structure
97% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.14 s
File size
8.00 kB
Words
218
Media files
0
Number of links
9 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Schema.org - Schema.org
There are word repetitions in the page title.
The length of the page title is perfect. (235 pixels out of 580 max pixel length)
Meta description
(Critically important)
Schema.org is a set of extensible schemas that enables webmasters to embed structured data on their web pages for use by search engines and other applications.
The meta description is too long: 1008 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(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.
Domain
(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 character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
descriptionSchema.org is a set of extensible schemas that enables webmasters to embed structured data on their web pages for use by search engines and other applications.
theme-color#990000
google-site-verificationsF2wOoEXHr7h_vTNkOOJXQxDWw2h-B4QwizxbkoIQC0
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 218 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
38.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.4 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
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.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.
The H1 heading is too long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.
There are too few (9) internal links on this page.
Some anchor texts are used more than once.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://schema.org/Schema.org
/docs/howwework.htmlhow we work
https://schema.org/Text duplicate Schema.org
/docs/documents.htmlDocs
/docs/schemas.htmlSchemas
https://validator.schema.org/External Subdomain Validate
/docs/about.htmlAbout
https://www.w3.org/community/s...External Subdomain community
http://lists.w3.org/Archives/P...External Subdomain [email protected]
http://github.com/schemaorg/sc...External GitHub
https://schema.org/docs/gs.htmlget started
http://blog.schema.org/External Subdomain blog.schema.org
/docs/releases.htmlrelease history
/docs/terms.htmlTerms and conditions

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://schema.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.14 seconds.
The file size of the HTML document is fine (8 kB).

HTTP Response Header

NameValue
access-control-allow-credentialstrue
access-control-allow-headersAccept
access-control-allow-methodsGET
access-control-allow-origin*
access-control-expose-headersLink
link</docs/jsonldcontext.jsonld>; rel="alternate"; type="application/ld+json"
x-cloud-trace-context882d9fd8f7d3375b7ae4ff77a5e6dab9
content-encodinggzip
serverGoogle Frontend
content-length3116
dateMon, 19 May 2025 21:38:53 GMT
expiresMon, 19 May 2025 21:48:53 GMT
cache-controlpublic, max-age=600
age160
etag"Q2GDQw"
content-typetext/html
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 8,331 referring domains.
This page has 255,761 backlinks.
This page has backlinks from 6,213 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /docs/search_results.html
Sitemap: https://schema.org/docs/sitemap.xml

Similar sites

Search preview

schema.org
Schema.org - Schema.org
Schema.org is a set of extensible schemas that enables webmasters to embed structured data on their web pages for use by search engines and other applications.

Most important keywords

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

KeywordResultRecheck
Schema85%Check
org85%Check
Schemas62%Check
web62%Check
pages62%Check
web pages62%Check
structured62%Check
data62%Check
Structured Data62%Check
community50%Check
Show more keywords and terms

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