pubpeer.com
PubPeer - Search publications and join the conversation.
Last scanned Aug 24, 2026, 1:21 PM
Overall score
Great
Summary
PubPeer enables scientists to search for their publications or their peers publications and provide feedback and/or start a conversation anonymously. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.
PubPeer enables scientists to search for their publications or their peers publications and provide feedback and/or start a conversation anonymously.
- United States
- Hosted on Cloudflare
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
243 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
PubPeer enables scientists to search for their publications or their peers publications and provide feedback and/or start a conversation anonymously.
Meta tags
- Title
- PubPeer - Search publications and join the conversation.
- Description
- PubPeer enables scientists to search for their publications or their peers publications and provide feedback and/or start a conversation anonymously.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- noindex, nofollow
- Manifest
- https://pubpeer.com/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.66.149.18
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- pubpeer.com
- Valid from
- Jul 18, 2026
- Valid to
- Oct 16, 2026
- Days until expiry
- 52
- SAN domains
- *.pubpeer.com, pubpeer.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 41
Links
53 internal · 4 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
11 scripts · 4 stylesheets
JS / CSS size
4.2 KB · 143 KB
Page size
24.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 20
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://pubpeer.com
- Final URL
- https://pubpeer.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 243 ms
- HTML size
- 24.4 KB
- Redirect chain
- https://pubpeer.com
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Frequently asked questions
- What technology does pubpeer.com use?
- pubpeer.com is built with Vue.js, Laravel, Google Analytics.
- Is pubpeer.com secure (HTTPS)?
- Yes. pubpeer.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 16, 2026.
- Who hosts pubpeer.com?
- pubpeer.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is pubpeer.com's SEO score?
- pubpeer.com scored 75/100 for SEO in the latest analysis (fair).
- What is pubpeer.com's overall website score?
- pubpeer.com has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card