Protege.stanford.edu - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
56% 
Page structure
70% 
Link structure
96% 
Server
70% 
External factors
100% 
SEO Score
Response time
1.12 s
File size
17.70 kB
Words
574
Media files
3
Number of links
21 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
protégé
The page title is too short. (67 pixels of 580 max pixel length) Optimize title
The page title is only one word.
There are no duplicate words in the title
Meta description
(Critically important)
Protégé is a free, open-source ontology editor and framework for building intelligent systems
The length of the meta description is perfect. (566 pixels out of 1000 max pixel length)
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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.
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
descriptionProtégé is a free, open-source ontology editor and framework for building intelligent systems
authorStanford Center for Biomedical Informatics Research
keywordsprotege,protégé,owl,ontology,ontologies,ontology editor,knowledge base,intelligent system,description logics,reasoning,stanford,swrl,sparql,frames
langen
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 574 words. That's ok.
34% of the text are stop words.
The page contains a listing, which indicates a good text layout.
11 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 21.79 words is good.
Frames
(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 loads 10 JavaScript files. This may affect the load time negatively.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 11 tags for this page.
Image SEO
(Somewhat important)
3 images have no alt attribute. The content of alt attributes is used by search engines.
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

URLAlt attributeTitle
/assets/img/features-community-icon.pngNo alt attribute provided
/assets/img/features-export-icon.pngNo alt attribute provided
/assets/img/features-enviro-icon.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
A free, open-source ontology editor and framework for building intelligent systems
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 A free, open-source ontology editor and framework for building intelligent systems
H1 Why Protégé
H2 Protégé’s plug-in architecture can be adapted to build both simple and complex ontology-based applications. Developers can integrate the output of Protégé with rule systems or other problem solvers...
H3 Trusted by over 366,084 users
H3 Active Community
H3 W3C Standards Support
H3 Extensible Open Source Environment
H3 Protégé
H3 Support
H3 About
H3 Look no further. The wiki is here.
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 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://protege.stanford.edu/protégé
/software.phpSoftware
/support.phpSupport
/community.phpCommunity
/about.phpAbout
/software.phpDownload Now
/software.phpUse webProtégé
https://protege.stanford.edu/Anchor No Text
https://protege.stanford.edu/Anchor No Text
http://www.thezfiles.co.za/ROM...External Subdomain ROMULUS
/software.phpText duplicate Download Now
/software.phpText duplicate Use webProtégé
http://twitter.com/protegeprojectExternal No Text
http://www.facebook.com/pages/...External Subdomain No Text
http://github.com/protegeprojectExternal No Text
https://protege.stanford.edu/Home
/software.phpText duplicate Software
/community.phpText duplicate Community
/support.phpMailing Lists
/support.phpDocumentation
/support.phpOther Options
/about.phpOur Team
/about.phpBMIR
/about.phpCiting
/about.phpContact
http://protegewiki.stanford.ed...External Subdomain Visit the Wiki
http://www.nigms.nih.gov/External Subdomain National Institute of General Medical Sciences
http://www.stanford.edu/External Subdomain Stanford University

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://protege.stanford.edu/"
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 slow (1.12 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page loads 10 JavaScript files. This may affect the load time negatively.
This page only loads 3 CSS files. That's ok.
The file size of the HTML document is fine (18 kB).

HTTP Response Header

NameValue
dateFri, 21 Mar 2025 00:08:15 GMT
serverApache
varyAccept-Encoding
content-encodinggzip
content-length4830
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 2,091 referring domains.
This page has 56,173 backlinks.
This page has backlinks from 1,333 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: gsa-crawler
Crawl-delay: 7

User-agent: *
Crawl-delay: 7

Similar sites

Search preview

protege.stanford.edu
protégé
Protégé is a free, open-source ontology editor and framework for building intelligent systems

Most important keywords

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

KeywordResultRecheck
Protégé72%Check
ontology66%Check
systems66%Check
intelligent66%Check
build66%Check
open66%Check
source66%Check
Intelligent Systems66%Check
Open Source66%Check
building intelligent systems66%Check
Show more keywords and terms

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