semrush.com (98/100) vs ahrefs.com (95/100) — Technical SEO & Security Comparison
Head-to-head technical SEO, GA4/GTM tracking tag hygiene, HTTP redirect latency, and browser security header comparison between semrush.com and ahrefs.com.
Head-to-Head Diagnostic Matrix
| Diagnostic Metric | semrush.com | ahrefs.com |
|---|---|---|
| Overall Health Score | 98/100 (Excellent) | 95/100 (Excellent) |
| HTTP Status & Latency | HTTP 200 (— ms) | HTTP 200 (— ms) |
| Meta Title Length | 59 chars (ok) | 48 chars (ok) |
| Meta Description Length | 114 chars (ok) | 128 chars (ok) |
| Primary H1 Heading Count | 1 H1 tag(s) | 1 H1 tag(s) |
| Duplicate Tag Conflicts | 0 duplicates | 0 duplicates |
| HTTP Security Headers | 3/6 enforced | 5/6 enforced |
| CDN / Infrastructure | Google Cloud / DNS | Cloudflare |
semrush.com Audit Summary (98/100)
Some Security Headers Missing: Missing HTTP response headers: Content-Security-Policy, Referrer-Policy, Permissions-Policy.
View full semrush.com report →ahrefs.com Audit Summary (95/100)
Images Missing Alt Text: 9 of 63 images lack alt attributes. This hurts accessibility and SEO. | Some Security Headers Missing: Missing HTTP response headers: Permissions-Policy.
View full ahrefs.com report →