Guides.library.yale.edu - SEO Checker

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Overview of the SEO Check
Meta information
73% 
Page quality
49% 
Page structure
95% 
Link structure
68% 
Server
83% 
External factors
100% 
SEO Score
Response time
0.76 s
File size
52.00 kB
Words
184
Media files
3
Number of links
6 internal / 49 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home - Yale University Library Research Guides at Yale University
The page title should be shorter than 580 pixels. It is 594 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The meta description is missing.
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
viewportwidth=device-width, initial-scale=1.0
robotsnoarchive
langen
twitter:cardsummary_large_image
twitter:site@springshare
og:titleYale University Library Research Guides
og:descriptionEmpty
og:typewebsite
og:urlhttps://guides.library.yale.edu/
X-UA-CompatibleIE=Edge
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 184 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
15.8% 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.
No placeholders texts or images were found.
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=1.0" 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)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
.../accounts/190883/images/YUL-Logo-@2x.pngNo alt attribute provided
...ault/files/files/FinalULWhite-1000px.pngYale Library logo
...11398909700496_3097514934813065216_n.jpgimage of the ceiling of sterling memorial library

Page structure

H1 heading
(Critically important)
The H1 heading is empty
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Empty heading
H1 Empty heading
H2 Empty heading
H2 Site Navigation
H2 Yale's Libraries
There are too few (6) internal links on this page.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (49) on this page.

Found links on this page

LinkAttributesAnchor text
https://guides.library.yale.edu/Anchor Skip to Main Content
https://www.facebook.com/YaleL...External Subdomain No Text
http://www.twitter.com/yalelib...External Subdomain No Text
https://www.instagram.com/yale...External Subdomain No Text
http://www.youtube.com/yaleuni...External Subdomain No Text
https://ask.library.yale.edu/External Subdomain Ask Yale Library
https://library.yale.edu/my-li...External Subdomain My Library Accounts
https://web.library.yale.edu/b...External Subdomain Hours
https://library.yale.edu/External Subdomain No Text
https://library.yale.edu/find-...External Subdomain Find, Request, and Use
https://library.yale.edu/help-...External Subdomain Help and Research Support
https://library.yale.edu/visit...External Subdomain Visit and Study
https://library.yale.edu/explo...External Subdomain Explore Collections
https://library.yale.edu/about-usExternal Subdomain About Us
https://library.yale.edu/External Subdomain Yale University Library
https://guides.library.yale.edu/Subdomain Yale University Library Research Guides
/home/cite-write-pubCiting, Writing, Publishing
/home/courseguidesCourse Guides
/home/geographicsysGeographic Information Systems
/home/supportResearch Support and Library Services
https://yale.libapps.com/libap...External Subdomain Staff Login
https://web.library.yale.edu/s...External Subdomain Text duplicate Find, Request, and Use
https://library.yale.edu/help-...External Subdomain Text duplicate Help and Research Support
https://library.yale.edu/visit...External Subdomain Text duplicate Visit and Study
https://library.yale.edu/explo...External Subdomain Text duplicate Explore Collections
https://library.yale.edu/about-usExternal Subdomain Text duplicate About Us
https://ask.library.yale.edu/External Subdomain Text duplicate Ask Yale Library
https://library.yale.edu/my-li...External Subdomain Text duplicate My Library Accounts
https://web.library.yale.edu/b...External Subdomain Text duplicate Hours
http://www.yale.edu/External Subdomain Yale
https://web.library.yale.edu/b...External Subdomain Bass Library
https://beinecke.library.yale....External Subdomain Beinecke Rare Book and Manuscript Library
https://web.library.yale.edu/c...External Subdomain Classics Library
https://library.medicine.yale....External Subdomain Cushing/Whitney Medical Library
https://web.library.yale.edu/d...External Subdomain Divinity Library
https://web.library.yale.edu/i...External Subdomain East Asia Library
https://web.library.yale.edu/m...External Subdomain Gilmore Music Library
https://web.library.yale.edu/artsExternal Subdomain Haas Family Arts Library
https://walpole.library.yale.edu/External Subdomain Lewis Walpole Library
https://library.law.yale.edu/External Subdomain Lillian Goldman Law Library
https://marx.library.yale.edu/External Subdomain Marx Science and Social Science Library
https://web.library.yale.edu/b...External Subdomain Sterling Memorial Library
https://britishart.yale.edu/wh...External Subdomain Yale Center for British Art
https://subscribe.yale.edu/bro...External Subdomain SUBSCRIBE TO OUR NEWSLETTER
https://www.facebook.com/YaleL...External Subdomain No Text
http://www.twitter.com/yalelib...External Subdomain No Text
https://www.instagram.com/yale...External Subdomain No Text
http://www.youtube.com/yaleuni...External Subdomain No Text
https://www.instagram.com/yale...External Subdomain IMG-ALT image of the ceiling of sterling memorial library
https://www.instagram.com/yale...External Subdomain Yale Library Instagram
https://usability.yale.edu/web...External Subdomain Accessibility
https://library.yale.edu/about...External Subdomain Diversity, Equity, and Inclusion
https://www.yale.edu/givelibraryExternal Subdomain Giving
https://web.library.yale.edu/d...External Subdomain Privacy and Data Use
https://yalesurvey.ca1.qualtri...External Subdomain Contact Our Web Team

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://guides.library.yale.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 of 0.76 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 (52 kB).

HTTP Response Header

NameValue
servernginx
dateSat, 26 Jul 2025 09:34:09 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
set-cookie185 Characters
x-backend-serverlibguides-us-2.springyaws.com
x-content-type-optionsnosniff
content-security-policyupgrade-insecure-requests
strict-transport-securitymax-age=31536000; preload
content-encodinggzip
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 96 referring domains.
This page has 100 backlinks.
This page has backlinks from 46 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: Amazonbot
Disallow: /

User-agent: Applebot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Baiduspider-image
Disallow: /

User-agent: Baiduspider-video
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ChatGPT
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: discobot
Disallow: /

User-agent: FacebookBot
Disallow: /

User-agent: Gemini-Deep-Research
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: SemrushBot
Disallow: /

User-agent: SemrushBot-SA
Disallow: /

User-agent: TikTokSpider
Disallow: /

User-agent: Twitterbot
Crawl-delay: 0
Disallow:

User-Agent: W3C-checklink
Crawl-delay: 0

User-agent: Yandex
Disallow: /

User-agent: YandexAdditional
Disallow: /

User-agent: YandexAdditionalBot
Disallow: /

User-agent: YouBot
Disallow: /

User-agent: *
Crawl-delay: 10
    Disallow: /az.php?
    Disallow: /az/databases?
    Disallow: /er.php
    Disallow: /err.php
    Disallow: /friendly.php
    Disallow: /go.php
    Disallow: /ld.php
    Disallow: /srch.php

    Sitemap: https://guides.library.yale.edu/sitemap.xml

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Most important keywords

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

KeywordResultRecheck
Yale70%Check
Yale Library68%Check
Library66%Check
Yale University Library62%Check
Yale University60%Check
Yale University Library Research58%Check
Guides56%Check
Library Research Guides56%Check
University Library Research Guides55%Check
Library Services50%Check
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