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rule34.dev

Rule34 - The best collection of hentai and porn from across the web.

Last scanned Aug 2, 2026, 12:00 PM · 6 views

78

Overall score

Fair

Summary

The best collection of hentai and porn from across the web. This website uses Next.js behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

The best collection of hentai and porn from across the web.

Top issues to fix

11 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

+5 more issues — details in the sections below.

65

SEO

6 issue(s) found

90

Performance

1.32 s

65

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-4 overall since Jul 26, 2026

Overall
78
SEO
65
Security
65
Performance
90
Accessibility
100

Organization

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

The best collection of hentai and porn from across the web.

Meta tags

Title
Rule34 - The best collection of hentai and porn from across the web.
Description
The best collection of hentai and porn from across the web.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width
Robots meta
index, follow
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
RULE34 DEV
og:description
Best RULE34 DEV in the world
og:type
website
og:url
https://app.rule34.dev

Twitter Card

twitter:card
summary_large_image
twitter:title
Rule34 - The best collection of hentai and porn from across the web.
twitter:description
The best collection of hentai and porn from across the web.

Technologies

Detected frameworks, languages, and tools.

Next.jsCloudflare Analytics

Hosting & CDN

Hosting provider
—
CDN provider
Cloudflare
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
rule34.dev
Valid from
Jun 7, 2026
Valid to
Sep 5, 2026
Days until expiry
33
SAN domains
rule34.dev, *.rule34.dev

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 35 · H2 1 · H3 1

Links

46 internal · 0 external · 20 broken

Images

31 total · 2 missing alt

Scripts / Styles

18 scripts · 2 stylesheets

JS / CSS size

10.4 KB · 2.2 KB

Page size

55.4 KB

Robots.txt & Sitemap

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

SEO issues

  • Title longer than 60 characters
  • Missing canonical link
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://rule34.dev
Final URL
https://app.rule34.dev/
HTTP status
200
HTTP version
HTTP/2
Response time
1.32 s
HTML size
55.4 KB
Redirect chain
https://rule34.dev → https://app.rule34.dev/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does rule34.dev use?
rule34.dev is built with Next.js, Cloudflare Analytics.
Is rule34.dev secure (HTTPS)?
Yes. rule34.dev uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 5, 2026.
Who hosts rule34.dev?
Hosting provider information for rule34.dev is not available yet.
What is rule34.dev's SEO score?
rule34.dev scored 65/100 for SEO in the latest analysis (fair).
What is rule34.dev's overall website score?
rule34.dev has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
Has rule34.dev's score changed over time?
rule34.dev's overall score has declined by 4 points (from 82 to 78) since Jul 26, 2026.