What technology does fossil-scm.org use?

We did not detect any specific technologies for fossil-scm.org in the latest scan.

Is fossil-scm.org secure (HTTPS)?

Yes. fossil-scm.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 30, 2026.

Who hosts fossil-scm.org?

Hosting provider information for fossil-scm.org is not available yet.

What is fossil-scm.org's SEO score?

fossil-scm.org scored 65/100 for SEO in the latest analysis (fair).

What is fossil-scm.org's overall website score?

fossil-scm.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.

fossil-scm.org

Fossil: A Coherent Software Configuration Management System

Last scanned Aug 24, 2026, 1:21 PM · 1 view

Overall score

Great

Summary

SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

8 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 meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.

+2 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

779 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Meta tags

Title: Fossil: A Coherent Software Configuration Management System
Description
Canonical
Language
Charset: UTF-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 194.195.208.62
ASN: —

DNS records

Type	Value
A	194.195.208.62
AAAA	2600:3c02::f03c:95ff:fe07:695
MX	mx.sqlite.org
TXT	v=spf1 a:mx.sqlite.org a:a1.sqlite.org -all
NS	ns1.linode.com ns5.linode.com ns2.linode.com ns3.linode.com ns4.linode.com
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: a1.sqlite.org
Valid from: Aug 1, 2026
Valid to: Oct 30, 2026
Days until expiry: 66
SAN domains: 3dcanvas.tcl-lang.org, 3dcanvas.tcl.tk, a1.sqlite.org, androwish.org, cvstrac.org, eskil.tcl-lang.org, eskil.tcl.tk, fossil-scm.org, gingerwyrick.com, jim.tcl-lang.org, jim.tcl.tk, lua.sqlite.org, mirror1.tcl-lang.org, mirror1.tcl.tk, pikchr.org, sqlite.com, sqlite.org, system.data.sqlite.org, tdbc.tcl-lang.org, tdbc.tcl.tk, wapp.tcl-lang.org, wapp.tcl.tk, www.androwish.org, www.cvstrac.org, www.fossil-scm.org, www.gingerwyrick.com, www.sqlite-consortium.com, www.sqlite.com, www.sqlite.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 3

Links

44 internal · 1 external · 0 broken

Images

1 total · 0 missing alt

Scripts / Styles

4 scripts · 1 stylesheets

JS / CSS size

23.6 KB · 55.7 KB

Page size

30.8 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 2
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
sitemap.xml not found

Scan details

Requested URL: https://fossil-scm.org
Final URL: https://fossil-scm.org/home/doc/trunk/www/index.wiki
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 779 ms
HTML size: 30.8 KB
Redirect chain: https://fossil-scm.org → https://fossil-scm.org/home/doc/trunk/www/index.wiki

See something wrong on this report? Request a correction

Frequently asked questions

What technology does fossil-scm.org use?: We did not detect any specific technologies for fossil-scm.org in the latest scan.
Is fossil-scm.org secure (HTTPS)?: Yes. fossil-scm.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 30, 2026.
Who hosts fossil-scm.org?: Hosting provider information for fossil-scm.org is not available yet.
What is fossil-scm.org's SEO score?: fossil-scm.org scored 65/100 for SEO in the latest analysis (fair).
What is fossil-scm.org's overall website score?: fossil-scm.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.