crates.io
crates.io: Rust Package Registry
Last scanned Jul 25, 2026, 6:25 AM · 2 views
Overall score
Great
Summary
This website is hosted on Fastly. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Fastly
Top issues to fix
6 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
5 issue(s) found
Performance
660 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Meta tags
- Title
- crates.io: Rust Package Registry
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- GlobalSign nv-sa
- Subject
- crates.io
- Valid from
- Jan 15, 2026
- Valid to
- Feb 16, 2027
- Days until expiry
- 206
- SAN domains
- crates.io, fastly-app.crates.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
2 scripts · 4 stylesheets
JS / CSS size
770 B · 71.9 KB
Page size
4.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://crates.io
- Final URL
- https://crates.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 660 ms
- HTML size
- 4.9 KB
- Redirect chain
- https://crates.io
See something wrong on this report? Request a correction
Related websites
Same hosting provider
literams.com
Litera | Legal Technology Solutions
showare.com
Live Entertainment & Venues Ticketing & POS | accesso
foresee.com
Predictive Analytics for Customer Experience | Verint
voicemod.net
Free Real Time Voice Changer for PC & Mac | Voicemod
researchandmarkets.com
Research and Markets - Market Research Reports - Welcome
hallensteins.co.nz
Hallensteins | Menswear NZ
Frequently asked questions
- What technology does crates.io use?
- We did not detect any specific technologies for crates.io in the latest scan.
- Is crates.io secure (HTTPS)?
- Yes. crates.io uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Feb 16, 2027.
- Who hosts crates.io?
- crates.io is hosted on Fastly, behind Fastly CDN.
- What is crates.io's SEO score?
- crates.io scored 60/100 for SEO in the latest analysis (fair).
- What is crates.io's overall website score?
- crates.io has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card