certainteed.com
Scanned URL: https://certainteed.com
77
π SEO Score
10 / 13 checks passed
27
π€ LLM Readiness
3 / 11 checks passed
91
β‘ Performance
10 / 11 checks passed
π Extracted Page Tags
Title Tag
Let's Build for Tomorrow. Today | CertainTeed
Meta Description
CertainTeed is North Americaβs leading brand of exterior and interior products, including roofing, siding, trim, insulation, gypsum, and ceilings.
H1 Heading
Built for Protection. Built for Confidence. Built for Resilience.
Canonical URL
https://www.certainteed.com/
π SEO Audit
77/100β
Title Tag
Length: 45 chars (Ideal: 30-60).
β
Meta Description
Length: 146 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 1 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
2 of 28 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 32 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
27/100β 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
robots.txt blocks AI crawlers.
β
Language Declaration
Language set to 'en'.
β
Semantic Structure
Uses <main> or <article>.
β Entity Verification Links
No entity validation links.
β‘ Performance
91/100Network Waterfall (Total: 318ms)
- DNS: 124ms
- Connect: 133ms
- TTFB: 211ms
- Download: 107ms
β
Time to First Byte (TTFB)
TTFB: 211ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 18.9KB (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
Images use loading='lazy'.
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
CMS
Drupal
E-Commerce
Magento
Consent Management
OneTrust
Infrastructure & CDN
Cloudflare
π WHOIS
Registrar
GoDaddy.com, LLC
Registered
1995-07-13
Expires
2028-07-12
Last Updated
2025-08-23
Status
client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited
Name Servers
graham.ns.cloudflare.com, ivy.ns.cloudflare.com
π DNS Records
| Type | Value |
|---|---|
| A | 172.66.170.103 |
| A | 104.20.38.24 |
| TXT | google-site-verification=0hunXCKVkOh7i8U7ForOymot1T6y4uE_iBNLOR57sYY |
| TXT | google-site-verification=dzfX0ep5QXdMSzZoQ9_8e_IuOOXi0vgsPmHDKV8ELWg |
| TXT | spf2.0/pra mx ip4:157.133.232.10 ip4:157.133.232.109 ip4:157.133.232.11 ip4:157.133.232.12 ~all |
| TXT | v=spf1 a mx ip4:52.89.141.148 ip4:54.69.233.80 ip4:54.69.66.212 ~all |
| TXT | v=spf1 ip4:157.133.232.10 ip4:157.133.232.109 ip4:157.133.232.11 ip4:157.133.232.12 ~all |
| TXT | facebook-domain-verification=apdusyfyn38s5e11db88cyhhdzwb4v |
| NS | ivy.ns.cloudflare.com |
| NS | graham.ns.cloudflare.com |