Semanticscholar.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
61% 
Page structure
79% 
Link structure
87% 
Server
95% 
External factors
100% 
SEO Score
Response time
0.49 s
File size
184.20 kB
Words
251
Media files
1
Number of links
23 internal / 13 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Semantic Scholar | AI-Powered Research Tool
The length of the page title is perfect. (412 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
The length of the meta description is perfect. (945 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.semanticscholar.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Germany
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 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
robotsnoarchive
viewportwidth=device-width,initial-scale=1
s2-ui-version8540dc0f70c785aaa5463622f838b974e4200893
descriptionSemantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
application-name 
msapplication-TileColor#FFFFFF
msapplication-TileImagehttps://cdn.semanticscholar.org/4e9f8d1812b2f191/img/mstile-144x144.png
msapplication-square70x70logohttps://cdn.semanticscholar.org/4e9f8d1812b2f191/img/mstile-70x70.png
msapplication-square150x150logohttps://cdn.semanticscholar.org/4e9f8d1812b2f191/img/mstile-150x150.png
msapplication-wide310x150logohttps://cdn.semanticscholar.org/4e9f8d1812b2f191/img/mstile-310x150.png
msapplication-square310x310logohttps://cdn.semanticscholar.org/4e9f8d1812b2f191/img/mstile-310x310.png
langen
twitter:descriptionSemantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
twitter:titleSemantic Scholar | AI-Powered Research Tool
twitter:imagehttps://www.semanticscholar.org/img/semantic_scholar_og.png
twitter:cardsummary_large_image
twitter:site@allenai_org
og:descriptionSemantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
og:titleSemantic Scholar | AI-Powered Research Tool
og:imagehttps://www.semanticscholar.org/img/semantic_scholar_og.png
og:image:secure_urlhttps://www.semanticscholar.org/img/semantic_scholar_og.png
og:image:width1110
og:image:height582
og:typewebsite
og:localeen_US
charsetutf-8

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Page quality

Content
(Critically important)
There are only 251 words on this page. Good pages should have about 800 words of useful content.
26.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
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 22.25 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width,initial-scale=1" is provided.
At least one Apple touch icon is specified.
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)
1 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
data:[...] Base64No alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 A free, AI-powered research tool for scientific literature
H2 What Is Semantic Scholar?
H3 New & Improved API for Developers
H3 Introducing Semantic Reader in Beta
H3 About
H3 Product
H3 API
H3 Research
H3 Help
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are 13 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.semanticscholar.org/Anchor Skip to search form
https://www.semanticscholar.org/Anchor Skip to main content
https://www.semanticscholar.org/Anchor Skip to account menu
/search?q="Paul S Knoepfler"&s...Paul S Knoepfler
/search?q=Coil Spring&sort=rel...Coil Spring
/search?q=Cognition&sort=relev...Cognition
/product/apiGet Started
/product/semantic-readerNew window Learn More
/aboutText duplicate Learn More
/aboutAbout Us
/about/publishersPublishers
https://medium.com/ai2-blog/se...New window External Blog (opens in a new tab)
https://allenai.org/careers?te...New window External Anchor Ai2 Careers (opens in a new tab)
/productProduct Overview
/product/semantic-readerSemantic Reader
/product/scholars-hubScholar's Hub
/product/beta-programBeta Program
/product/release-notesRelease Notes
/product/apiAPI Overview
/product/api/tutorialAPI Tutorials
https://api.semanticscholar.or...New window External Subdomain API Documentation (opens in a new tab)
/product/api/galleryAPI Gallery
https://allenai.org/papers?tag...New window External Publications (opens in a new tab)
https://allenai.org/careersNew window External Research Careers (opens in a new tab)
https://allenai.org/ai-for-sci...New window External Resources (opens in a new tab)
/faqFAQ
/about/librariansLibrarians
/product/tutorialsTutorials
http://allenai.org/New window External Ai2 (opens in a new tab)
https://allenai.org/termsNew window External Terms of Service (opens in a new tab)
https://allenai.org/privacy-po...New window External Privacy Policy (opens in a new tab)
/product/api/licenseNew window API License Agreement
http://allenai.org/New window External The Allen Institute for AI (opens in a new tab)
https://allenai.org/privacy-po...New window External Text duplicate Privacy Policy (opens in a new tab)
https://allenai.org/termsNew window External Text duplicate Terms of Service (opens in a new tab)
http://api.semanticscholar.org...New window External Subdomain Dataset License (opens in a new tab)

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.semanticscholar.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 of 0.49 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (184 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
dateTue, 10 Jun 2025 09:28:22 GMT
x-frame-optionsSAMEORIGIN
content-encodinggzip
servernginx
varyAccept-Encoding
set-cookie480 Characters
cache-controlmax-age=0, no-cache, no-store
expires-1
x-cacheMiss from cloudfront
via1.1 a49c26e403f2dac09629dceb6dac5740.cloudfront.net (CloudFront)
x-amz-cf-popFRA60-P1
alt-svch3=":443"; ma=86400
x-amz-cf-id-9odTAWLmY-xoQlRaY8kb_taxh4wMGDMabtUW5j1wcIIK56ulGjfVg==
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 4,364 referring domains.
This page has 1,038,284 backlinks.
This page has backlinks from 3,249 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# We are a non-profit research institute.  If you would like to collaborate with us,
# please contact us at: ai2-info@allenai.org
# Or check out our public API http://api.semanticscholar.org/
User-agent: *
Disallow: /search
Disallow: /error
Disallow: /me
Disallow: /api
Disallow: /author/*/claim
Disallow: /author/*?
Disallow: /paper/*?
Disallow: /reader/
Allow: /paper/*?p2df

Sitemap: https://www.semanticscholar.org/sitemap_author_index.xml
Sitemap: https://www.semanticscholar.org/sitemap_paper_index.xml
Sitemap: https://www.semanticscholar.org/sitemap_topic_index.xml

Similar sites

Search preview

www.semanticscholar.org
Semantic Scholar | AI-Powered Research Tool
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.

Most important keywords

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

KeywordResultRecheck
Semantic77%Check
Semantic Scholar77%Check
Scholar73%Check
research66%Check
Research Tool60%Check
Semantic Reader60%Check
AI-powered research60%Check
AI-powered research tool57%Check
AI-powered50%Check
scientific50%Check
Show more keywords and terms

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