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SGSiteGraph

rust-lang.org

Rust Programming Language

Last scanned Jul 24, 2026, 6:27 PM · 1 view

84

Overall score

Great

Summary

A language empowering everyone to build reliable and efficient software. This website is hosted on Fastly. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.

A language empowering everyone to build reliable and efficient software.

United States
Hosted on Fastly

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 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.

  • 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.

+2 more issues — details in the sections below.

75

SEO

4 issue(s) found

100

Performance

4 ms

65

Security

HTTPS & header checks

100

Accessibility

0 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.

Organization

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

A language empowering everyone to build reliable and efficient software.

YouTubeGitHub

Meta tags

Title
Rust Programming Language
Description
A language empowering everyone to build reliable and efficient software.
Canonical
Language
en-US
Charset
utf-8
Viewport
width=device-width,initial-scale=1.0
Robots meta
Manifest
https://rust-lang.org/static/images/site.webmanifest?v=ngJW8jGAmR

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
A language empowering everyone to build reliable and efficient software.
og:type
website
og:url
—

Twitter Card

twitter:card
summary
twitter:title
—
twitter:description
A language empowering everyone to build reliable and efficient software.

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
185.199.111.153
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 185.199.111.153
  • 185.199.109.153
  • 185.199.108.153
  • 185.199.110.153
AAAA
  • 2606:50c0:8002::153
  • 2606:50c0:8001::153
  • 2606:50c0:8000::153
  • 2606:50c0:8003::153
MX
  • mxa.mailgun.org
  • mxb.mailgun.org
TXT—
NS
  • ns-1800.awsdns-33.co.uk
  • ns-683.awsdns-21.net
  • ns-177.awsdns-22.com
  • ns-1493.awsdns-58.org
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
rust-lang.org
Valid from
Jul 23, 2026
Valid to
Oct 21, 2026
Days until expiry
88
SAN domains
rust-lang.org, www.rust-lang.org

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 1 · H2 6 · H3 12

Links

16 internal · 16 external · 0 broken

Images

9 total · 0 missing alt

Scripts / Styles

4 scripts · 4 stylesheets

JS / CSS size

25.9 KB · 104 KB

Page size

18.2 KB

Robots.txt & Sitemap

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

SEO issues

  • Missing canonical link
  • 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://rust-lang.org
Final URL
https://rust-lang.org
HTTP status
200
HTTP version
HTTP/2
Response time
4 ms
HTML size
18.2 KB
Redirect chain
https://rust-lang.org

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Frequently asked questions

What technology does rust-lang.org use?
We did not detect any specific technologies for rust-lang.org in the latest scan.
Is rust-lang.org secure (HTTPS)?
Yes. rust-lang.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 21, 2026.
Who hosts rust-lang.org?
rust-lang.org is hosted on Fastly, behind Fastly CDN.
What is rust-lang.org's SEO score?
rust-lang.org scored 75/100 for SEO in the latest analysis (fair).
What is rust-lang.org's overall website score?
rust-lang.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.