61
/ 100
C
Average
Overall Domain Score
SEO 77 · LLM 18 · Perf 82
77
π SEO Score
10 / 13 checks passed
18
π€ LLM Readiness
2 / 11 checks passed
82
β‘ Performance
9 / 11 checks passed
π Extracted Page Tags
Title Tag
Exercism
Meta Description
Learn, practice and get world-class mentoring in over 50 languages. 100% free.
H1 Heading
Get really good at programming.
Canonical URL
https://exercism.org
π SEO Audit
77/100β Title Tag
Length: 8 chars (Ideal: 30-60).
β
Meta Description
Length: 78 chars (Ideal: 50-160).
β
H1 Tag
Found 1 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
38 of 66 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 155 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
18/100β Structured Data (JSON-LD)
No JSON-LD found.
β Schema Entities
No schema entities.
β FAQ Schema
Missing FAQ schema.
β Contextual Summary
Description too short for 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
robots.txt blocks AI crawlers.
β
Language Declaration
Language set to 'en-US'.
β Semantic Structure
No semantic HTML5 wrappers.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
82/100Network Waterfall (Total: 277ms)
- DNS: 124ms
- Connect: 132ms
- TTFB: 277ms
- Download: 0ms
β
Time to First Byte (TTFB)
TTFB: 277ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 10.2KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β
Cache Policies
Cache-Control headers set.
β
CDN Usage
Edge delivery detected.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β Native Lazy Loading
No lazy loading detected.
β
Minified Assets
Minified .js/.css referenced.
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 unsafe content found per Google Safe Browsing.
βοΈ Technologies
E-Commerce
Magento
Infrastructure & CDN
Cloudflare
π WHOIS
Registrar
Amazon Registrar, Inc.
Expires
2027-03-04
Registered
2019-03-04
Last Updated
2026-02-02
Status
client delete prohibited, client transfer prohibited, client update prohibited
Name Servers
gabriel.ns.cloudflare.com, suzanne.ns.cloudflare.com
π DNS Records
| Type | Value |
|---|---|
| A | 104.26.6.40 |
| A | 172.67.74.121 |
| A | 104.26.7.40 |
| MX | alt1.aspmx.l.google.com |
| MX | alt2.aspmx.l.google.com |
| MX | aspmx.l.google.com |
| MX | alt3.aspmx.l.google.com |
| MX | alt4.aspmx.l.google.com |
| TXT | google-site-verification=TRv98iiuT7WJlVYOU3wAULbBaDUgr3nCjoNDQdWjRFY |
| TXT | google-site-verification=x00E1pZHv-2S6FRc7KaDUZ5xCar3uQvHf8s7gfrJwBQ |
| TXT | v=spf1 include:_spf.google.com include:one.zoho.jp include:amazonses.com ~all |
| TXT | brave-ledger-verification=8fb9494db5d0412cfde0be6819ca03b245837f1c2a96add9238776857bdf6a02 |
| NS | gabriel.ns.cloudflare.com |
| NS | suzanne.ns.cloudflare.com |