theanarchistlibrary.org
The Anarchist Library | The Anarchist Library
Last scanned Jul 26, 2026, 5:35 AM
Overall score
Great
Summary
The Anarchist Library. This website uses Nginx. SEO is good (85/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.
The Anarchist Library
Top issues to fix
8 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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
907 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
The Anarchist Library
Meta tags
- Title
- The Anarchist Library | The Anarchist Library
- Description
- The Anarchist Library
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 216.252.162.140
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- bookshelf.theanarchistlibrary.org
- Valid from
- May 28, 2026
- Valid to
- Aug 26, 2026
- Days until expiry
- 31
- SAN domains
- bookshelf.theanarchistlibrary.org, gr.theanarchistlibrary.org, ja.theanarchistlibrary.org, kr.theanarchistlibrary.org, sea.theanarchistlibrary.org, theanarchistlibrary.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 0 · H3 0
Links
38 internal · 32 external · 6 broken
Images
1 total · 0 missing alt
Scripts / Styles
15 scripts · 4 stylesheets
JS / CSS size
216 KB · 170 KB
Page size
25.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 5
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://theanarchistlibrary.org
- Final URL
- https://theanarchistlibrary.org/special/index
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 907 ms
- HTML size
- 25.3 KB
- Redirect chain
- https://theanarchistlibrary.org → https://theanarchistlibrary.org/special/index
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does theanarchistlibrary.org use?
- theanarchistlibrary.org is built with jQuery, Nginx.
- Is theanarchistlibrary.org secure (HTTPS)?
- Yes. theanarchistlibrary.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 26, 2026.
- Who hosts theanarchistlibrary.org?
- Hosting provider information for theanarchistlibrary.org is not available yet.
- What is theanarchistlibrary.org's SEO score?
- theanarchistlibrary.org scored 85/100 for SEO in the latest analysis (great).
- What is theanarchistlibrary.org's overall website score?
- theanarchistlibrary.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card