← The Index / security
Scored by model · 3 samples, median · No human review
Rank 7 of 128 · clearer than 92% of the index, 100% of security · Reviewed 2026-10-12
Auth0
auth0.com
· security
87
GRADE A
BAND 82–92
What their homepage claims
“Secure AI Agent & User Authentication | Auth0”
What that means
Auth0 provides identity and access management for user logins and AI agents across apps.
Verdict
The page clearly states what it sells (identity and user authentication) with strong metrics proving scale, but it also uses several buzzy abstractions that dilute clarity slightly.
What to fix first
Ranked by what each change is worth on the composite — the gap to the next rung of the ladder times the dimension’s weight. Computed from the scores, not written by the model; the model’s sentence under each is the action.
-
1Jargon-free quick win 65 → 80+3
Replace internal terms with concrete customer-facing capabilities like passwordless login, adaptive MFA, and fraud protection.
-
2Call to action quick win 80 → 95+2.3
Place a single, clearly actionable next step directly under the main claim, such as 'See it in action'.
All three together: 87 → 92. Every dimension one rung up: 92 (grade A). Ceiling is 95.
A plainer headline
Theirs
“Secure AI Agent & User Authentication | Auth0”
Index’s suggestion
“Identity and access management for login, agents, and APIs”
Built only from facts already on the page — not the company’s words. Shown so the gap between what was written and what could have been written is concrete rather than a number.
Rewrite pack
Five alternative headlines in five angles, a subhead, a call-to-action line, and a line-by-line edit for each of the five dimensions — written only from facts already on auth0.com, gated like a rating (anything with a struck word is dropped, not sold). Delivered on a private page in about a minute.
One-off. Receipt and VAT by Paddle, our merchant of record. Refund policy.
Where the score comes from
Five dimensions on one ladder — 5 · 20 · 35 · 50 · 65 · 80 · 95 — weighted clarity 30%, specificity 20%, jargon 20%, proof 15%, call to action 15%. For each: the rung the page matched, the words that drove it, and what would reach the next rung. Full rubric →
Clarity30%
95
The headline gives a concrete product category in plain words: user authentication.
Secure AI Agent & User Authentication | Auth0
Specificity20%
95
The page includes specific metrics about attacks blocked, uptime, and authentications.
3 billion+ attacks blocked each month*
Jargon-free20%
65
Contains several abstract terms and product-architecture buzz (e.g., Agentic Experience, enterprise grade identity, RAG).
Agentic Experience
Next rungReplace internal terms with concrete customer-facing capabilities like passwordless login, adaptive MFA, and fraud protection.
Proof15%
95
Named customer success proof with a quantified result (McLaren with 100% growth).
McLaren achieved 100% growth of partner users
Call to action15%
80
CTAs are present but not directly tied to a free trial or immediate sign-up under the main claim.
See it in action Talk to an expert
Next rungPlace a single, clearly actionable next step directly under the main claim, such as 'See it in action'.
Evidence
Secure AI Agent & User Authentication | Auth0Headline clearly states the product area.
3 billion+ attacks blocked each month*Concrete metric tied to an outcome.
McLaren achieved 100% growth of partner usersNamed customer with a quantified result.
What the scorer was given first 1,500 characters of the homepage text — check the quotes yourself
Secure AI Agent & User Authentication | Auth0 Auth0 platform announcements Convert, protect, & personalize every journey Auth0 makes every login effortless, so fewer customers walk away. It helps stop fraud behind the scenes and keeps users recognized across your sites, apps, and AI-assisted touchpoints. See it in action Talk to an expert McLaren Zapier Cribl CLAAS Vialto Partners Jersey Mike's Zinnia Los Angeles ITA Signify Bluetooth Jamf Arduino Maven Wyndham Siemens Read customer stories Read customer stories → Identity for the entire customer lifecycle B2C B2B Sign up Evaluation Login Onboarding Checkout Expansion Agentic Experience Agentic Readiness Convert Convert more customers through secure and easy sign up. Explore B2C Solutions Protect Protect revenue by stopping fraud without adding unnecessary friction. Personalize Build lifetime value and loyalty with personalized experiences across every channel. Grow Grow the relationship by carrying trusted customer context into AI-assisted experiences. Win Close deals faster with enterprise grade identity including enterprise federation, compliance and access controls. Explore B2B SaaS Accelerate Accelerate time-to-value by removing onboarding friction so customers go-live faster. Scale Scale adoption and expansion easily by letting customers self-manage their organizations, user roles, and access. Evolve Adapt to market demands by adding secure agentic experiences to your platform. SECURITY BUILT-IN 3 billion+ attacks
How this compares
92%of the index scores lower
+18vs index mean (69)
+19vs security mean (68)
+17vs median (70)
100%of headline words survive
3×independently scored
Strongest: Clarity 95. Weakest: Jargon-free 65. The 3 passes agreed within 7 points. The band 82–92 is where a re-score of this unchanged page would most likely land: on 42 dry re-scores (12 Oct 2026) the median move was 6 points and one in four moved more than 10. A grade only changes when a new score clears the boundary by 5.
Nothing struck
No word in the headline itself was judged empty, yet jargon-free scores 65: the scorer found generic phrasing further down the page. Contains several abstract terms and product-architecture buzz (e.g., Agentic Experience, enterprise grade identity, RAG).
Embed this rating
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Provenance
Scored from the live homepage
on 2026-10-12 by gpt-5-nano,
3 independent passes, median taken.
Page snapshot f62ea408d5ad.
Rubric 7329c240 (current; what it says).
No person reviewed or edited this score. If the rubric and the score disagree, the rubric wins
and the page is re-scored — not hand-corrected.
Re-scored when the homepage text changes.