What technology does citeulike.org use?

We did not detect any specific technologies for citeulike.org in the latest scan.

Is citeulike.org secure (HTTPS)?

Yes. citeulike.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 18, 2026.

Who hosts citeulike.org?

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

What is citeulike.org's SEO score?

citeulike.org scored 60/100 for SEO in the latest analysis (fair).

What is citeulike.org's overall website score?

citeulike.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.

Has citeulike.org's score changed over time?

citeulike.org's overall score has declined by 3 points (from 87 to 84) since Jul 26, 2026.

citeulike.org

CiteULike: Everyone's library

Last scanned Aug 3, 2026, 11:00 AM · 4 views

Overall score

Great

Summary

citeulike. SEO is fair (60/100) and accessibility is good (85/100). Security scores excellent (95/100) and performance excellent (100/100). Top issue: Missing canonical link.

citeulike

Top issues to fix

8 issues found · 2 high priority

No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing viewport meta tag
Accessibility
Add <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
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.

+2 more issues — details in the sections below.

SEO

6 issue(s) found

100

Performance

10 ms

Security

HTTPS & header checks

Accessibility

2 issue(s) found

Score history

-3 overall since Jul 26, 2026

Overall: 84
SEO: 60
Security: 95
Performance: 100
Accessibility: 85

Organization

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

citeulike

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: Cloudflare
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: Google Trust Services
Subject: citeulike.org
Valid from: Jul 20, 2026
Valid to: Oct 18, 2026
Days until expiry: 75
SAN domains: citeulike.org, *.citeulike.org

Security headers

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

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

12 total · 0 missing alt

Scripts / Styles

0 scripts · 1 stylesheets

JS / CSS size

0 B · 0 B

Page size

5.3 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://citeulike.org
Final URL: https://citeulike.org
HTTP status: 200
HTTP version: HTTP/2
Response time: 10 ms
HTML size: 5.3 KB
Redirect chain: https://citeulike.org

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Frequently asked questions

What technology does citeulike.org use?: We did not detect any specific technologies for citeulike.org in the latest scan.
Is citeulike.org secure (HTTPS)?: Yes. citeulike.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 18, 2026.
Who hosts citeulike.org?: Hosting provider information for citeulike.org is not available yet.
What is citeulike.org's SEO score?: citeulike.org scored 60/100 for SEO in the latest analysis (fair).
What is citeulike.org's overall website score?: citeulike.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
Has citeulike.org's score changed over time?: citeulike.org's overall score has declined by 3 points (from 87 to 84) since Jul 26, 2026.