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Supadu
supadu.com·Dcohort grade·65.5 mean·4/4 sites scored·0/4 meet Web Standards·range 59–81·median 61·built 4 sites
Categories
| Category | Grade | Score | Measurements |
|---|---|---|---|
| Brand Presence | F | 38 | 35 |
| Performance | F | 53 | 20 |
| Security & Infrastructure | F | 54 | 47 |
| Privacy & Compliance | F | 59 | 22 |
| Modern Web | D | 65 | 10 |
| AI Readiness | C | 70 | 12 |
| Security | C | 74 | 36 |
| Email & Communications | C | 75 | 45 |
| Accessibility | B | 88 | 19 |
| SEO & Discoverability | B | 89 | 28 |
| Tech Fingerprint | A | 95 | 12 |
| Trust & Reputation | A | 100 | 3 |
| Email health | — | — | 0 |
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 |
|---|---|---|---|---|
| Image optimization (WebP/AVIF) | Performance | 100.0% | 66.2% | +33.8% |
| Yelp presence + rating + review count | Brand Presence | 100.0% | 67.5% | +32.5% |
| Lead magnet / signup incentive detected (free download, ebook, etc.) | Email & Communications | 100.0% | 81.5% | +18.5% |
| CCPA "Do Not Sell or Share My Personal Information" link | Privacy & Compliance | 100.0% | 93.1% | +6.9% |
| DNSSEC validation | Security & Infrastructure | 100.0% | 95.8% | +4.2% |
| CAA records | Security & Infrastructure | 100.0% | 96.2% | +3.8% |
| HSTS preload list inclusion | Security & Infrastructure | 100.0% | 96.6% | +3.4% |
| MTA-STS & TLS-RPT | Security & Infrastructure | 100.0% | 98.9% | +1.1% |
| Trustpilot presence + rating | Brand Presence | 100.0% | 99.6% | 0.4% |
| OCSP Must-Staple | Security | 100.0% | 100.0% | 0% |
Attributed sites · 4
Detection: regex for every site · no theme credits
| Site | Score | Factors | Last scored |
|---|---|---|---|
| harpercollins.com.au | 81 | 67 | 2026-09-20 |
| casematepublishers.com | 61 | 73 | 2026-09-20 |
| criminalelement.com | 61 | 77 | 2026-09-20 |
| msupress.org | 59 | 72 | 2026-09-20 |
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.