Kalpa LabsYC F25 landing page report.
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Your landing page’s weakest score is Trust.

Fix Trust

Score over time

908070605040Sesame 52 on Jun 8 (Wayback)Sesame 54 on Jun 17 (Wayback)Sesame 55 on Jul 14 (Wayback)Sesame 54 on Jul 26 (Wayback)Sesame 54 on Aug 4 (Wayback)Sesame 52 on Aug 30 (Wayback)Sesame 53 on Sep 22 (Live)Hume AI 71 on Feb 11 (Wayback)Hume AI 70 on Apr 7 (Wayback)Hume AI 68 on May 30 (Wayback)Hume AI 68 on Jul 28 (Live)Cartesia 64 on Jun 3 (Wayback)Cartesia 64 on Jun 12 (Wayback)Cartesia 68 on Jul 27 (Wayback)Cartesia 66 on Aug 21 (Wayback)Cartesia 66 on Sep 4 (Wayback)Cartesia 69 on Sep 20 (Live)Rime 74 on Apr 15 (Wayback)Rime 71 on May 9 (Wayback)Rime 71 on May 19 (Wayback)Rime 69 on Jun 12 (Wayback)Rime 77 on Jun 22 (Wayback)Rime 79 on Jun 30 (Wayback)Rime 73 on Sep 20 (Live)ElevenLabs 66 on Mar 23 (Wayback)ElevenLabs 66 on Apr 7 (Wayback)ElevenLabs 59 on May 18 (Wayback)ElevenLabs 67 on Aug 7 (Live)ElevenLabs 65 on Aug 10 (Wayback)ElevenLabs 64 on Aug 24 (Wayback)Kalpa Labs 58 on Apr 22 (Wayback)Kalpa Labs 58 on Jun 11 (Wayback)Kalpa Labs 70 on Sep 22 (Live)Apr 22Jun 11Sep 22
Past reportsShow past reportsHide past reports
  1. Sep 22, 202670LiveOverall +12 · CTA +26 · Value props +14Viewing
  2. Jun 11, 202658Trust +8 · CTA −6View →
  3. Apr 22, 202658First tracked report — strongest Information hierarchy 72, weakest Trust 44View →

Trust

52Fair

Proof that the product is real, competent, and safe to try.

Kalpa Labs
Rime
Trust read
Kalpa LabsBACKED BY Y COMBINATOR badge beneath the hero CTAs
SesameNo visible trust signal identified.
Hume AI"Our decades of research in multimodal emotional intelligence span" with stat counters 50+ / 48+ / 600+
CartesiaInteractive "Talk to Skylar" voice demo carousel
RimeCustomer logo strip including Mayo Clinic, LiveKit, Daily, and Dialpad below the hero CTAs
ElevenLabsInteractive voice demo widget with playable "Narration" sample and ElevenCreative/ElevenAgents/ElevenAPI tabs

Value props

62Fair

Title, subtitle, hero — do they sell the product's true value?

Kalpa Labs’s headline undersellsTowards generalist audio models.Kalpa Labs is an audio research lab working towards generalist audio models: models that follow instructions and learn new tasks in context. Our first conversational speech models are in beta today. Direct a scene in Studio, talk to a model

Working

  • Subhead names three concrete actions
  • "In beta today" grounds the mission
  • YC badge adds credibility proof

Could improve

  • "Towards" signals unfinished value
  • No numbers or outcomes anywhere
  • Hero decorates; no product demo shown

Information hierarchy

78Fair

Does the design help or inhibit what the page is trying to say?

Information hierarchy annotations on the desktop capture1234
  1. Launch report banner — Full-width red-tinted announcement sits above the hero and pulls first attention toward an exit link.
  2. Secondary CTA pair — OPEN STUDIO and READ THE DOCS share the primary button's size and row, splitting the click three ways.
  3. Header TALK TO KALPA — Duplicates the hero primary CTA at equal black weight, creating two competing focal points.
  4. Nav link row — Realtime, Studio, Docs, Careers offer four exits before the visitor reaches the value prop.

CTA

78Fair

Copy, size, verb, cost-feel — does the primary CTA earn the click?

Kalpa Labs
Rime

Problems

  • reads like 'book a sales call'
  • no commitment level signaled
  • beta status not on the button

Mobile web

78Fair

The phone experience as a first-class citizen.

Mobile web annotations on the mobile capture123
  1. Announcement banner — Two-line promo banner with dismiss X pushes the hero down and adds a competing message before the value statement.
  2. Beta badge pill — Wide two-line badge wraps awkwardly and stacks a third message above the headline, crowding the top of the fold.
  3. Long body paragraph — Eight lines of dense copy push the CTA stack to the very bottom edge of the first viewport.

Competitors

inferred from product, audience, and value prop