Cdlib.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
48% 
Page structure
100% 
Link structure
51% 
Server
74% 
External factors
100% 
SEO Score
Response time
0.60 s
File size
77.40 kB
Words
593
Media files
7
Number of links
154 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
California Digital Library
The length of the page title is perfect. (216 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The California Digital Library exists to support the University of California community’s pursuit of scholarship and to extend the University’s public service mission.
The length of the meta description is perfect. (996 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://cdlib.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
viewportwidth=device-width, initial-scale=1
descriptionThe California Digital Library exists to support the University of California community’s pursuit of scholarship and to extend the University’s public service mission.
robotsmax-image-preview:large
article:publisherhttps://www.facebook.com/CalDigLib/
langen-us
twitter:titleHome Page
twitter:urlhttps://cdlib.org
twitter:descriptionHome Page
twitter:imagehttps://cdlib.org/wp-content/uploads/2019/09/cdl_logo_1200_630.png
twitter:cardsummary_large_image
og:localeen_US
og:site_nameCalifornia Digital Library
og:titleHome Page
og:urlhttps://cdlib.org
og:typewebsite
og:descriptionHome Page
og:imagehttps://cdlib.org/wp-content/uploads/2019/09/cdl_logo_1200_630.png
og:image:urlhttps://cdlib.org/wp-content/uploads/2019/09/cdl_logo_1200_630.png
og:image:secure_urlhttps://cdlib.org/wp-content/uploads/2019/09/cdl_logo_1200_630.png
charsetUTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 66 words is high.
This page contains 593 words. That's ok.
18.2% 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.
3 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
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 12 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

URLAlt attributeTitle
...b/cdlib-ui/ui-assets/images/logo-cdl.svgCalifornia Digital Library logo
...uploads/2024/08/UCSF_2016_day2-81-v4.jpgBuilding a National Finding Aid Network
.../06/escholarship-hero-image-balloons.jpgescholarship celebrates its 20 year anniversary
...oads/2021/01/ucls_launch_students_v7.jpgStudents gathered around their laptops in a campus library.
...nt/uploads/2021/01/calisphere-080421.jpgTwo birds soar towards mountain peak.
...nt/uploads/2024/06/Mahjabeen-Yucekul.jpgMeet Mahjabeen Yucekul, Senior Software Developer, Publishing, Archives, and Digitization (PAD)
licensebuttons.net/l/by/4.0/80x15.pngCC BY 4.0

Page structure

H1 heading
(Critically important)
California Digital Library
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 California Digital Library
H2 Building a National Finding Aid Network
H2 eScholarship celebrates 20 years!
H2 Welcome, UC Library Search!
H2 Calisphere soars past two million digital primary resource items!
H2 CDL Services
H2 Latest News from CDL
H2 Resources For...
H2 Go Directly To
H3 Collect
H3 Publish
H3 Preserve
H3 Access
Some anchor texts are used more than once.
There are 1 links with a trivial anchor text.
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://cdlib.org/Anchor Skip to main content
https://cdlib.org/IMG-ALT California Digital Library logo
https://cdlib.org/about/About CDL
https://cdlib.org/about/Text duplicate About CDL
/about/mission-vision-and-values/Mission, Vision, and Values
https://cdlib.org/about/mfted/Message from the Associate Vice Provost / Executive Director
/about/our-organization/Our Organization
/about/executive-office/CDL Executive Office
/about/grants-and-partnerships/Grants and Partnerships
/about/standards-and-memberships/Standards and Memberships
/about/policies-and-guidelines/Policies and Guidelines
/about/cdl-awards-and-honors/CDL Awards and Honors
/about/cdl-by-the-numbers/CDL by the Numbers
/about/job-opportunities/Job Opportunities
/about/our-organization/Text duplicate Our Organization
https://cdlib.org/services/d2d/Discovery & Delivery
https://cdlib.org/services/pad/Publishing, Archives, and Digitization
/services/collections/Shared Collections
https://cdlib.org/services/uc3/University of California Curation Center (UC3)
/services/business/Business Services
/services/info-services/Information Services
/services/infrastructure/Infrastructure Services
/services/uxdesign/User Experience Design Service
https://cdlib.org/services/Services and Projects
https://cdlib.org/services/d2d/Text duplicate Discovery & Delivery
/services/d2d/agua/AGUA
/services/d2d/ill/Resource Sharing
/services/d2d/sils/SILS
/services/d2d/uc-library-search/UC Library Search
/services/d2d/zephir/Zephir
https://cdlib.org/services/pad/Text duplicate Publishing, Archives, and Digitization
/services/pad/calisphere/Calisphere
/services/pad/escholarship/eScholarship
/services/pad/massdig/Mass Digitization
/services/pad/oac/Online Archive of California
/services/pad/ucdams/UC Shared DAMS (Nuxeo) and ArchivesSpace
/services/pad/webarchiving/Web Archiving Activities
/services/collections/Text duplicate Shared Collections
/services/collections/licensed/Licensed Resources
/services/collections/scp/Shared Cataloging Program
/services/collections/sharedpr...Shared Print
https://cdlib.org/services/uc3/Text duplicate University of California Curation Center (UC3)
/services/uc3/dmptool/DMP Tool
/services/uc3/dryad/Dryad
/services/uc3/ezid/EZID
/services/uc3/merritt/Merritt
/services/info-services/Text duplicate Information Services
/services/info-services/instruct/Instructional Materials
/services/consortial-partnersh...Consortial Partnerships
/services/consortial-partnersh...HathiTrust
https://cdlib.org/west/WEST
https://cdlib.org/services/All Services and Projects…
https://cdlib.org/resources/Resources For...
https://cdlib.org/resources/Resources For
/resources/libraries/Campus Libraries
/resources/contributors/Content Contributors
/resources/faculty/Faculty
/resources/technologists/Technologists
/resources/vendors/Vendors
https://cdlib.org/groups/Committees and Groups
https://cdlib.org/groups/Text duplicate Committees and Groups
/groups/acquisition-liaisons/Acquisitions Liaisons
https://cdlib.org/groups/jsc/Joint Steering Committee on Shared Collections (JSC)
/services/collections/licensed...Resource Liaisons
/groups/users_council/Users Council
https://cdlib.org/groups/All Committees and Groups…
https://cdlib.org/news/News and Media
https://cdlib.org/news/Text duplicate News and Media
https://cdlib.org/cdlinfo/CDLINFO News
/news/press-center/Press Kit
/news/publications/Publications
/news/subscribe-to-cdl/Subscribe
/contact/staff_directory/Staff Directory
https://cdlib.org/contact/Contact CDL
/contact/report-a-problem/Report a Problem
/contact/system-status/System Status
/cdlinfo/2024/08/13/building-a...Building a National Finding Aid Network
/cdlinfo/2022/04/28/escholarsh...eScholarship celebrates 20 years!
/cdlinfo/2021/07/27/welcome-uc...Welcome, UC Library Search!
/cdlinfo/2021/08/04/calisphere...Calisphere soars past two million digital primary resource items!
/services/collections/licensed/Text duplicate Licensed Resources
/services/collections/sharedpr...Text duplicate Shared Print
/services/pad/massdig/Text duplicate Mass Digitization
/services/pad/calisphere/Text duplicate Calisphere
/services/pad/escholarship/Text duplicate eScholarship
/services/uc3/dryad/Text duplicate Dryad
/services/pad/open-access-tools/Open Access Policy Tools
/services/uc3/dmptool/Text duplicate DMP Tool
/services/uc3/merritt/Text duplicate Merritt
/services/pad/webarchiving/Text duplicate Web Archiving Activities
https://cdlib.org/west/WEST: Western Regional Storage Trust
/services/d2d/sils/Text duplicate SILS
/services/d2d/ill/Text duplicate Resource Sharing
/services/pad/oac/Text duplicate Online Archive of California
/cdlinfo/2024/08/29/merritt-di...Merritt Digital Preservation Repository – August 2024
/cdlinfo/2024/08/28/cdl-welcom...CDL welcomes Deirdre Stretton!
/cdlinfo/2024/08/26/scp-update...SCP Update – August 2024
/cdlinfo/2024/08/13/building-a...“Building a National Finding Aid Network” (NAFAN): Final report now available
/cdlinfo/2024/08/05/job-openin...Job Opening: Head of CDL Shared Cataloging Program
/cdlinfo/2024/08/05/61893/2024 WEST Member Meeting Recap: Harnessing the Value of Shared Print Through Local Action
/cdlinfo/2024/08/02/cycle-13-2...Cycle 13 (2024) Collection Comparison Reports Now Available
/cdlinfo/2024/07/30/merritt-di...Merritt Digital Preservation Repository – July 2024
/cdlinfo/2024/07/29/scp-update...SCP Update – July 2024
/cdlinfo/2024/07/25/oecd-publi...OECD Publications Become Open Access
https://cdlib.org/cdlinfo/View all news
/resources/libraries/Text duplicate Campus Libraries
/resources/contributors/Text duplicate Content Contributors
/resources/faculty/Text duplicate Faculty
/resources/technologists/Text duplicate Technologists
/resources/vendors/Text duplicate Vendors
https://calisphere.org/External Text duplicate Calisphere
https://escholarship.org/External Text duplicate eScholarship
https://merritt.cdlib.org/External Subdomain Text duplicate Merritt
/services/d2d/uc-library-search/Text duplicate UC Library Search
http://www.oac.cdlib.org/External Subdomain Text duplicate Online Archive of California
https://libraries.universityof...External Subdomain UC Libraries
https://dmptool.org/External DMPTool
/contact/staff_directory/mahja...Trivial anchor text
Read more
https://twitter.com/CalDigLibExternal Follow us on X
https://cdlib.org/about/Text duplicate About CDL
/about/mission-vision-and-values/Text duplicate Mission, Vision, and Values
https://cdlib.org/about/mfted/Text duplicate Message from the Associate Vice Provost / Executive Director
/about/our-organization/Text duplicate Our Organization
/about/executive-office/Text duplicate CDL Executive Office
/about/grants-and-partnerships/Text duplicate Grants and Partnerships
/about/standards-and-memberships/Text duplicate Standards and Memberships
/about/policies-and-guidelines/Text duplicate Policies and Guidelines
/about/cdl-awards-and-honors/Text duplicate CDL Awards and Honors
/about/cdl-by-the-numbers/Text duplicate CDL by the Numbers
/about/job-opportunities/Text duplicate Job Opportunities
/about/our-organization/Text duplicate Our Organization
https://cdlib.org/services/d2d/Text duplicate Discovery & Delivery
https://cdlib.org/services/pad/Text duplicate Publishing, Archives, and Digitization
/services/collections/Text duplicate Shared Collections
https://cdlib.org/services/uc3/Text duplicate University of California Curation Center (UC3)
/services/business/Text duplicate Business Services
/services/info-services/Text duplicate Information Services
/services/infrastructure/Text duplicate Infrastructure Services
/services/uxdesign/Text duplicate User Experience Design Service
https://cdlib.org/services/Text duplicate Services and Projects
https://cdlib.org/services/Text duplicate All Services and Projects…
https://cdlib.org/resources/Text duplicate Resources For...
/resources/libraries/Text duplicate Campus Libraries
/resources/contributors/Text duplicate Content Contributors
/resources/faculty/Text duplicate Faculty
/resources/technologists/Text duplicate Technologists
/resources/vendors/Text duplicate Vendors
https://cdlib.org/groups/Text duplicate Committees and Groups
/groups/acquisition-liaisons/Text duplicate Acquisitions Liaisons
https://cdlib.org/groups/jsc/Text duplicate Joint Steering Committee on Shared Collections (JSC)
/groups/users_council/Text duplicate Users Council
https://cdlib.org/groups/Text duplicate All Committees and Groups…
https://cdlib.org/news/Text duplicate News and Media
https://cdlib.org/cdlinfo/CDLINFO
/news/press-center/Text duplicate Press Kit
/news/publications/Text duplicate Publications
/news/subscribe-to-cdl/Subscribe to CDL
/about/policies-and-guidelines...Terms and Conditions
/about/policies-and-guidelines...Privacy Statement
/about/policies-and-guidelines...Accessibility
/about/policies-and-guidelines...Anchor Site text licensed under CC BY 4.0

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://cdlib.org/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.60 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 (77 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
content-length15817
dateWed, 04 Sep 2024 01:49:19 GMT
serverApache/2.4.62 () OpenSSL/1.0.2k-fips PHP/7.4.33
x-powered-byPHP/7.4.33
cache-controlmax-age=3, must-revalidate
content-encodinggzip
last-modifiedWed, 04 Sep 2024 00:55:29 GMT
varyAccept-Encoding,Cookie
x-cacheMiss from cloudfront
via1.1 e75bff6012758ccb55ff41b176b32342.cloudfront.net (CloudFront)
x-amz-cf-popFRA56-P6
x-amz-cf-idavgWi2-UF-obmdOfsHkXS08aUn5k8_5tIlSepDmkSJkV-QsyL8vcPw==
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 13,740 referring domains.
This page has 3,529,708 backlinks.
This page has backlinks from 8,287 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /apps/cdlib/htdocs/services/d2d/request/stats
Disallow: /apps/cdlib/htdocs/services/d2d/ucelinks/stats

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cdlib.org
California Digital Library
The California Digital Library exists to support the University of California community’s pursuit of scholarship and to extend the University’s public service mission.

Most important keywords

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

KeywordResultRecheck
Digital79%Check
Library79%Check
Digital Library79%Check
California Digital Library79%Check
California75%Check
Library Search60%Check
CDL56%Check
Merritt Digital Preservation Repository47%Check
University46%Check
Mission46%Check
Show more keywords and terms

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