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Blockthrough
blockthrough.com·Fcohort grade·59.0 mean·1/1 sites scored·0/1 meet Web Standards·range 59–59·median 59·built 1 site
Categories
| Category | Grade | Score | Measurements |
|---|---|---|---|
| Brand Presence | F | 24 | 10 |
| SEO & Discoverability | F | 46 | 7 |
| Security & Infrastructure | D | 62 | 13 |
| AI Readiness | D | 64 | 4 |
| Accessibility | D | 66 | 5 |
| Email & Communications | D | 69 | 11 |
| Performance | C | 74 | 5 |
| Privacy & Compliance | C | 76 | 5 |
| Security | B | 85 | 10 |
| Trust & Reputation | A | 94 | 2 |
| Tech Fingerprint | A | 100 | 1 |
| Modern Web | A | 100 | 3 |
Common failure pattern
Factors that score below 50 on at least 75% of this vendor's attributed sites. Δ vs index = how much worse the cohort fails compared to the all-WQI baseline. Sorted by Δ desc.
| Factor | Category | Cohort % | Index % | Δ vs index |
|---|---|---|---|---|
| Mailto: direct contact link present | Email & Communications | 100.0% | 24.9% | +75.1% |
| Visible contact form on site | Email & Communications | 100.0% | 25.3% | +74.7% |
| Heading hierarchy validity | Accessibility | 100.0% | 45.1% | +54.9% |
| Skip-to-content link | Accessibility | 100.0% | 53.9% | +46.1% |
| Email Service Provider (ESP) detected | Email & Communications | 100.0% | 75.7% | +24.3% |
| Image optimization (WebP/AVIF) | Performance | 100.0% | 89.5% | +10.5% |
| DNSSEC validation | Security & Infrastructure | 100.0% | 94.4% | +5.6% |
| CAA records | Security & Infrastructure | 100.0% | 95.5% | +4.5% |
| HSTS preload list inclusion | Security & Infrastructure | 100.0% | 95.8% | +4.2% |
| MTA-STS & TLS-RPT | Security & Infrastructure | 100.0% | 98.5% | +1.5% |
Attributed sites · 1
Detection: llm for every site · no theme credits
| Site | Score | Factors | Last scored |
|---|---|---|---|
| pagefair.com | 59 | 65 | 2026-05-20 |
Cohort = every site whose footer credits this vendor. Composite scores come from the same registry pass that powers per-site dossiers; sites shown without a score haven't been audited yet. Open the knowledge base (KB in the header) for how each factor is measured.