elm-lang.org
Elm - delightful language for reliable web applications
Last scanned Aug 5, 2026, 5:00 AM · 10 views
Overall score
Great
Summary
A delightful language with friendly error messages, great performance, small assets, and no runtime exceptions. This website is hosted on Google Cloud. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
A delightful language with friendly error messages, great performance, small assets, and no runtime exceptions.
- United States
- Hosted on Google Cloud
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
252 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+5 overall since Jul 27, 2026
- Overall
- 86
- SEO
- 75
- Security
- 75
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
A delightful language with friendly error messages, great performance, small assets, and no runtime exceptions.
Meta tags
- Title
- Elm - delightful language for reliable web applications
- Description
- A delightful language with friendly error messages, great performance, small assets, and no runtime exceptions.
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Google Cloud
- CDN provider
- Netlify
- IP address
- 104.198.14.52
- ASN
- AS396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- elm-lang.org
- Valid from
- Jul 4, 2026
- Valid to
- Oct 2, 2026
- Days until expiry
- 58
- SAN domains
- elm-lang.org, www.elm-lang.org
Security headers
- Strict-Transport-SecurityEnabled
- 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 8 · H3 0
Links
8 internal · 8 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
1 scripts · 3 stylesheets
JS / CSS size
11.3 KB · 26.5 KB
Page size
104 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://elm-lang.org
- Final URL
- https://elm-lang.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 250 ms
- HTML size
- 104 KB
- Redirect chain
- https://elm-lang.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does elm-lang.org use?
- We did not detect any specific technologies for elm-lang.org in the latest scan.
- Is elm-lang.org secure (HTTPS)?
- Yes. elm-lang.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 2, 2026.
- Who hosts elm-lang.org?
- elm-lang.org is hosted on Google Cloud, behind Netlify CDN.
- What is elm-lang.org's SEO score?
- elm-lang.org scored 75/100 for SEO in the latest analysis (fair).
- What is elm-lang.org's overall website score?
- elm-lang.org has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Has elm-lang.org's score changed over time?
- elm-lang.org's overall score has improved by 5 points (from 81 to 86) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card