kotlinlang.org
Scanned URL: https://kotlinlang.org
69
π SEO Score
9 / 13 checks passed
36
π€ LLM Readiness
4 / 11 checks passed
64
β‘ Performance
7 / 11 checks passed
π Extracted Page Tags
Title Tag
Kotlin Programming Language
Meta Description
Kotlin is a concise and multiplatform programming language by JetBrains. Enjoy coding and build server-side, mobile, web, and desktop applications efficiently.
H1 Heading
Kotlin
Canonical URL
https://kotlinlang.org/
π SEO Audit
69/100β Title Tag
Length: 27 chars (Ideal: 30-60).
β
Meta Description
Length: 159 chars (Ideal: 50-160).
β H1 Tag
Found 5 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β
Open Graph Tags
Found 6 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
3 of 44 images missing alt.
β
Sitemap
Sitemap declared.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 56 internal links.
β HSTS Security
Missing HSTS header.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
36/100β Structured Data (JSON-LD)
No JSON-LD found.
β Schema Entities
No schema entities.
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β E-E-A-T (Author)
No author meta or schema.
β Organisation Schema
Missing Organization schema.
β Breadcrumb Schema
Missing BreadcrumbList.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'en'.
β Semantic Structure
No semantic HTML5 wrappers.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
64/100Network Waterfall (Total: 747ms)
- DNS: 253ms
- Connect: 254ms
- TTFB: 527ms
- Download: 220ms
β
Time to First Byte (TTFB)
TTFB: 527ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 95.3KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β Cache Policies
Missing Cache-Control headers.
β CDN Usage
No CDN headers found.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β
Native Lazy Loading
Images use loading='lazy'.
β Minified Assets
No minified assets linked.
β
Preload / Preconnect Hints
Resource hints found.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
Google Safe BrowsingVerify β
No warnings found in Google Safe Browsing transparency report.
βοΈ Technologies
E-Commerce
Magento
JavaScript
Next.js
π WHOIS
Registrar
Squarespace Domains II LLC
Registered
2013-09-30T08:17:05Z
Expires
2026-09-30T08:17:05Z
Last Updated
2025-09-22T14:37:46Z
Status
clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited, clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Servers
ns-1287.awsdns-32.org, ns-163.awsdns-20.com, ns-1638.awsdns-12.co.uk, ns-953.awsdns-55.net
π DNS Records
| Type | Value |
|---|---|
| A | 13.225.196.105 |
| A | 13.225.196.115 |
| A | 13.225.196.70 |
| A | 13.225.196.39 |
| MX | aspmx.l.google.com |
| MX | alt3.aspmx.l.google.com |
| MX | alt4.aspmx.l.google.com |
| MX | alt1.aspmx.l.google.com |
| MX | alt2.aspmx.l.google.com |
| TXT | facebook-domain-verification=fz49z7zr0ycqj7f9qvli45x3wqzfrh |
| TXT | google-site-verification=Kldj7OgchCyGYVHwynlh6tOmYdmPHPVno2VxUNeW0TI |
| TXT | v=spf1 include:_spf.google.com a:mkto-mailer.jetbrains.com -all |
| NS | ns-953.awsdns-55.net |
| NS | ns-1287.awsdns-32.org |
| NS | ns-163.awsdns-20.com |
| NS | ns-1638.awsdns-12.co.uk |