What technology does selfhtml.org use?

selfhtml.org is built with PHP, jQuery, Apache.

Is selfhtml.org secure (HTTPS)?

Yes. selfhtml.org uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 19, 2026.

Who hosts selfhtml.org?

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

What is selfhtml.org's SEO score?

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

What is selfhtml.org's overall website score?

selfhtml.org has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.

Has selfhtml.org's score changed over time?

selfhtml.org's overall score has declined by 2 points (from 80 to 78) since Jul 26, 2026.

selfhtml.org

SELFHTML-Wiki

Last scanned Aug 5, 2026, 4:00 PM · 10 views

Overall score

Fair

Summary

This website uses PHP. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores fair (70/100) and performance excellent (90/100). Top issue: Missing meta description.

Top issues to fix

9 issues found · 3 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 meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.

+3 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

1.32 s

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-2 overall since Jul 26, 2026

Overall: 78
SEO: 60
Security: 70
Performance: 90
Accessibility: 100

Contact

Email, phone, and address published on this site's own pages.

Email: projekt@selfhtml.org

Technologies

Detected frameworks, languages, and tools.

PHP jQuery Apache

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 89.238.67.49
ASN: —

DNS records

Type	Value
A	89.238.67.49
AAAA	—
MX	—
TXT	v=spf1 ip4:89.238.67.49 ip4:89.238.65.20 -all
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.2
Issuer: Let's Encrypt
Subject: wowbagger.selfhtml.org
Valid from: Jun 21, 2026
Valid to: Sep 19, 2026
Days until expiry: 44
SAN domains: de.selfhtml.org, forum.de.selfhtml.org, intern.selfhtml.org, mail.selfhtml.org, php.wiki.selfhtml.org, selfhtml.org, src.selfhtml.org, suche.de.selfhtml.org, wiki-test.selfhtml.org, wiki.selfhtml.org, wowbagger.selfhtml.org, www.selfhtml.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 10

Links

38 internal · 10 external · 0 broken

Images

8 total · 0 missing alt

Scripts / Styles

6 scripts · 3 stylesheets

JS / CSS size

2.1 KB · 32.3 KB

Page size

21.1 KB

Robots.txt & Sitemap

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

SEO issues

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

Scan details

Requested URL: https://selfhtml.org
Final URL: https://wiki.selfhtml.org/wiki/SELFHTML
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 1.32 s
HTML size: 21.1 KB
Redirect chain: https://selfhtml.org → https://wiki.selfhtml.org/wiki/SELFHTML

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does selfhtml.org use?: selfhtml.org is built with PHP, jQuery, Apache.
Is selfhtml.org secure (HTTPS)?: Yes. selfhtml.org uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 19, 2026.
Who hosts selfhtml.org?: Hosting provider information for selfhtml.org is not available yet.
What is selfhtml.org's SEO score?: selfhtml.org scored 60/100 for SEO in the latest analysis (fair).
What is selfhtml.org's overall website score?: selfhtml.org has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
Has selfhtml.org's score changed over time?: selfhtml.org's overall score has declined by 2 points (from 80 to 78) since Jul 26, 2026.