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Dalus homepage check

Checked October 28, 2026 · Winter 2025 · dalus.io

90out of 100 · Good · #192 of 378

Dalus (AI-Powered Hardware System Design Software) scored 90 out of 100 on our homepage check, #192 of 378 YC startups and #18 of 45 in Winter 2025. It passed 8 of 10 checks. The biggest problem: the site's own code threw an error: Minified React error #418; visit https://react.dev/errors/418?args[]=HTML&args[]= for the full message or use the non-minified dev environme

Dalus home page on a phone
Dalus on a 390px phone, October 28, 2026. Outlined: “GET A DEMO”, the button we tested.
  • Pass
    A sign-up, demo or get-started button on the first phone screen“GET A DEMO” is on the first screen.67% of YC startups pass this.
  • Pass
    The main button does something when tapped“GET A DEMO” opens https://dalus.io/#demo.99% of YC startups pass this.
  • Pass
    Nothing covers the main buttonNothing sits on top of it.96% of YC startups pass this.
  • Pass
    The main button is at least 44px tall on a phone48px tall on a phone.65% of YC startups pass this.
  • Pass
    The page fits a phone screenNo sideways scrolling on a 390px-wide phone.100% of YC startups pass this.
  • Fail
    No JavaScript errors from the site's own code (−5 points)The site's own code threw an error: Minified React error #418; visit https://react.dev/errors/418?args[]=HTML&args[]= for the full message or use the non-minified dev environme95% of YC startups pass this.
  • Pass
    No broken links to the site's own pages58 internal links checked.97% of YC startups pass this.
  • Pass
    Everything that looks clickable respondsClickable things on 3 pages responded.90% of YC startups pass this.
  • Fail
    Loads in under 4 seconds on desktop and 6 on a phone (−5 points)Loaded in 5.2s on desktop and 6.1s on a phone.75% of YC startups pass this.
  • Pass
    Images and files loadEverything we requested from the site loaded.92% of YC startups pass this.

How Dalus compares

Dalus is the outlined dot. The top row is all 378 YC startups we checked; the bottom row is Winter 2025.

Score
All startups378 sites
Dalus: 90/100
Dalus: 90/100

Good (90+)Fair (75-89)Needs work (0-74)Each dot is one startup. Tap a dot to see its page.

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Other Winter 2025 startups with similar scores

← #192 Caretta · #192 Ekpa → · All 378 scores

How we checked

We loaded the home page in Chromium as a 390px phone and a 1366px desktop, found the main button by its words (sign up, book a demo, get started and similar), tapped it once, and checked up to 3 pages for broken links and dead taps. Nothing was submitted. Each failed check costs the points shown. Full method.