What technology does marxists.org use?

marxists.org is built with Apache.

Is marxists.org secure (HTTPS)?

Yes. marxists.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 10, 2026.

Who hosts marxists.org?

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

What is marxists.org's SEO score?

marxists.org scored 55/100 for SEO in the latest analysis (fair).

What is marxists.org's overall website score?

marxists.org has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.

Has marxists.org's score changed over time?

marxists.org's overall score has declined by 1 point (from 86 to 85) since Jul 25, 2026.

marxists.org

Marxists Internet Archive

Last scanned Aug 1, 2026, 3:00 AM · 10 views

Overall score

Great

Summary

The most complete library of Marxism with content in 80 languages and the works of over 720 authors readily accessible by archive, subject, or history as well as hundreds of periodicals. This website uses Apache. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

The most complete library of Marxism with content in 80 languages and the works of over 720 authors readily accessible by archive, subject, or history as well as hundreds of periodicals.

Top issues to fix

8 issues found · 1 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.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
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.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

SEO

7 issue(s) found

100

Performance

308 ms

100

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

-1 overall since Jul 25, 2026

Overall: 85
SEO: 55
Security: 100
Performance: 100
Accessibility: 90

Organization

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

The most complete library of Marxism with content in 80 languages and the works of over 720 authors readily accessible by archive, subject, or history as well as hundreds of periodicals.

Meta tags

Title: Marxists Internet Archive
Description: The most complete library of Marxism with content in 80 languages and the works of over 720 authors readily accessible by archive, subject, or history as well as hundreds of periodicals.
Canonical
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

Hosting provider: —
CDN provider: —
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: Let's Encrypt
Subject: marxists.org
Valid from: Jul 12, 2026
Valid to: Oct 10, 2026
Days until expiry: 70
SAN domains: *.marxists.org, marxists.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

8 internal · 0 external · 8 broken

Images

1 total · 0 missing alt

Scripts / Styles

2 scripts · 1 stylesheets

JS / CSS size

82 B · 291 B

Page size

5.2 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
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://marxists.org
Final URL: https://www.marxists.org/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 308 ms
HTML size: 5.2 KB
Redirect chain: https://marxists.org → https://www.marxists.org/

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Frequently asked questions

What technology does marxists.org use?: marxists.org is built with Apache.
Is marxists.org secure (HTTPS)?: Yes. marxists.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 10, 2026.
Who hosts marxists.org?: Hosting provider information for marxists.org is not available yet.
What is marxists.org's SEO score?: marxists.org scored 55/100 for SEO in the latest analysis (fair).
What is marxists.org's overall website score?: marxists.org has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
Has marxists.org's score changed over time?: marxists.org's overall score has declined by 1 point (from 86 to 85) since Jul 25, 2026.