What technology does cdlib.org use?

cdlib.org is built with WordPress, jQuery, Apache.

Is cdlib.org secure (HTTPS)?

Yes. cdlib.org uses TLS 1.3 with a certificate issued by Amazon, valid until Mar 13, 2027.

Hosting provider information for cdlib.org is not available yet.

What is cdlib.org's SEO score?

cdlib.org scored 70/100 for SEO in the latest analysis (fair).

What is cdlib.org's overall website score?

cdlib.org has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.

Has cdlib.org's score changed over time?

cdlib.org's overall score has declined by 5 points (from 96 to 91) since Jul 25, 2026.

cdlib.org

California Digital Library

Last scanned Aug 1, 2026, 12:00 PM · 9 views

Overall score

Excellent

Summary

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. This website uses WordPress behind CloudFront CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

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.

Top issues to fix

7 issues found

2 cookies without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

SEO

5 issue(s) found

100

Performance

121 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-5 overall since Jul 25, 2026

Overall: 91
SEO: 70
Security: 100
Performance: 100
Accessibility: 100

Organization

Company details published in this site's own structured data.

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.

X (Twitter)

Meta tags

Title: California Digital Library
Description: 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.
Canonical: https://cdlib.org/
Language: en-US
Charset: UTF-8
Viewport: width=device-width, initial-scale=1
Robots meta: max-image-preview:large
Manifest

Technologies

Detected frameworks, languages, and tools.

WordPress jQuery Apache

Hosting & CDN

Hosting provider: —
CDN provider: CloudFront
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: cdlib-prd.web.cdlib.net
Valid from: Feb 12, 2026
Valid to: Mar 13, 2027
Days until expiry: 224
SAN domains: cdlib-prd.web.cdlib.net, cdlib-prd.cdlib.org, www.cdlib.org, cdlinfo.cdlib.org, cdlib.org

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyEnabled

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 8 · H3 4

Links

84 internal · 7 external · 20 broken

Images

6 total · 0 missing alt

Scripts / Styles

21 scripts · 9 stylesheets

JS / CSS size

4.9 KB · 15.7 KB

Page size

77.0 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Meta description longer than 160 characters
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://cdlib.org
Final URL: https://cdlib.org
HTTP status: 200
HTTP version: HTTP/2
Response time: 120 ms
HTML size: 77.0 KB
Redirect chain: https://cdlib.org

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does cdlib.org use?: cdlib.org is built with WordPress, jQuery, Apache.
Is cdlib.org secure (HTTPS)?: Yes. cdlib.org uses TLS 1.3 with a certificate issued by Amazon, valid until Mar 13, 2027.
Who hosts cdlib.org?: Hosting provider information for cdlib.org is not available yet.
What is cdlib.org's SEO score?: cdlib.org scored 70/100 for SEO in the latest analysis (fair).
What is cdlib.org's overall website score?: cdlib.org has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Has cdlib.org's score changed over time?: cdlib.org's overall score has declined by 5 points (from 96 to 91) since Jul 25, 2026.