rosettacode.org
Rosetta Code
Last scanned Aug 5, 2026, 3:00 PM · 15 views
Overall score
Excellent
Summary
Rosetta Code is a programming chrestomathy site. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Rosetta Code is a programming chrestomathy site. The idea is to present solutions to the same task in as many different languages as possible, to demonstrate how...
Top issues to fix
4 issues found
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
2 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
1.08 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-2 overall since Jul 26, 2026
- Overall
- 93
- SEO
- 85
- Security
- 100
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Rosetta Code is a programming chrestomathy site. The idea is to present solutions to the same task in as many different languages as possible, to demonstrate how...
Meta tags
- Title
- Rosetta Code
- Description
- Rosetta Code is a programming chrestomathy site. The idea is to present solutions to the same task in as many different languages as possible, to demonstrate how...
- Canonical
- https://rosettacode.org/wiki/Rosetta_Code
- Language
- en
- Charset
- UTF-8
- Viewport
- width=1120,initial-scale=1
- Robots meta
- max-image-preview:standard
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- rosettacode.org
- Valid from
- Jul 9, 2026
- Valid to
- Oct 7, 2026
- Days until expiry
- 63
- SAN domains
- rosettacode.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 1 · H2 3 · H3 2
Links
36 internal · 12 external · 2 broken
Images
5 total · 0 missing alt
Scripts / Styles
7 scripts · 2 stylesheets
JS / CSS size
5.6 KB · 59.3 KB
Page size
48.7 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
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://rosettacode.org
- Final URL
- https://rosettacode.org/wiki/Rosetta_Code
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.08 s
- HTML size
- 48.7 KB
- Redirect chain
- https://rosettacode.org → https://rosettacode.org/wiki/ → https://rosettacode.org/wiki/Rosetta_Code
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does rosettacode.org use?
- We did not detect any specific technologies for rosettacode.org in the latest scan.
- Is rosettacode.org secure (HTTPS)?
- Yes. rosettacode.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 7, 2026.
- Who hosts rosettacode.org?
- Hosting provider information for rosettacode.org is not available yet.
- What is rosettacode.org's SEO score?
- rosettacode.org scored 85/100 for SEO in the latest analysis (great).
- What is rosettacode.org's overall website score?
- rosettacode.org has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Has rosettacode.org's score changed over time?
- rosettacode.org's overall score has declined by 2 points (from 95 to 93) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card