pragprog.com
Scanned URL: https://pragprog.com
54
π SEO Score
7 / 13 checks passed
36
π€ LLM Readiness
4 / 11 checks passed
45
β‘ Performance
5 / 11 checks passed
π Extracted Page Tags
Title Tag
Pragmatic Bookshelf: By Developers, For Developers
Meta Description
We improve the lives of professional developers. We create timely, practical books on classic and cutting-edge topics to help you learn and practice your craft, and accelerate your career. Come learn with us.
H1 Heading
Programming Clojure, Fourth Edition
Canonical URL
None found
π SEO Audit
54/100β
Title Tag
Length: 50 chars (Ideal: 30-60).
β Meta Description
Length: 208 chars (Ideal: 50-160).
β
H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
β Canonical URL
Missing canonical tag.
β Open Graph Tags
Found 0 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
7 of 14 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 65 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
45/100Network Waterfall (Total: 451ms)
- DNS: 124ms
- Connect: 189ms
- TTFB: 451ms
- Download: 0ms
β
Time to First Byte (TTFB)
TTFB: 451ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 30.5KB (Target: < 150KB).
β Text Compression
No Brotli/Gzip detected.
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
No lazy loading detected.
β
Minified Assets
Minified .js/.css referenced.
β Preload / Preconnect Hints
Missing preload/preconnect hints.
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
Analytics & Tracking
Google Tag Manager
JavaScript
jQuery
CSS Frameworks
Font Awesome
π WHOIS
Registrar
1API GmbH
Registered
1999-01-19
Expires
2027-01-19
Last Updated
2026-01-14
Status
client transfer prohibited
Name Servers
ns-1266.awsdns-30.org, ns-1538.awsdns-00.co.uk, ns-275.awsdns-34.com, ns-960.awsdns-56.net
π DNS Records
| Type | Value |
|---|---|
| A | 64.23.242.214 |
| MX | mx2.emailsrvr.com |
| MX | mx1.emailsrvr.com |
| TXT | v=spf1 include:spf0.pragprog.com ~all |
| TXT | google-site-verification=aaQupeaj2Y1RYRFl6M599QBYIuP6pCOihDLS9t0cLYY |
| TXT | v=DMARC1; p=quarantine; rua=mailto:ead94e32@in.mailhardener.com |
| NS | ns-275.awsdns-34.com |
| NS | ns-960.awsdns-56.net |
| NS | ns-1266.awsdns-30.org |
| NS | ns-1538.awsdns-00.co.uk |