Pricing

Pay per usage

PWA Audit

Checks if a URL meets Progressive Web App installability criteria. Validates Web App Manifest, service worker, HTTPS, icons. Returns a per-criterion checklist plus A-F grade and binary `isInstallable` flag.

Pricing

Pay per usage

Rating

0.0

(0)

Developer

Coleton Patton

Actor stats

Bookmarked

Total users

Monthly active users

20 hours ago

Last modified

What it does

Loads the URL in real Chromium, fetches and parses the linked Web App Manifest, validates required fields against Chrome's installability requirements, checks for a registered service worker, and grades the result.

Checklist

Check	Severity	Weight
HTTPS or localhost	critical	15
Web App Manifest linked	critical	15
Manifest parses as valid JSON	critical	10
Has `name`	critical	5
Has `short_name`	important	3
Has `start_url`	critical	5
`display` is standalone / fullscreen / minimal-ui	critical	8
Has 192×192+ icon	critical	8
Has 512×512+ icon	critical	8
Has maskable icon	important	5
Has `theme_color`	important	4
Has `background_color`	important	4
Service worker registered	critical	10

Input

{ "url": "https://web.dev" }

Output

{
  "url": "https://web.dev",
  "grade": "A",
  "percentage": 92,
  "isInstallable": true,
  "manifest": { "name": "web.dev", "short_name": "web.dev", "..." : "..." },
  "serviceWorker": { "supported": true, "registrationCount": 1, "scopes": ["..."], "active": true },
  "checklist": [
    { "check": "HTTPS or localhost", "passed": true, "severity": "critical", "weight": 15 },
    ...
  ]
}

Use cases

PWA migration sprints — audit your full site to find pages missing the manifest
Lighthouse alternative for CI — faster than Lighthouse for the PWA-only checks
Competitive analysis — see which competitors have a real PWA vs a fake banner

Pricing model (when published)

Pay-per-result: $0.05 per URL audited. Audits take ~5-10 seconds.

Author note

Built by Peak Post, the developer behind 22 published Chrome extensions.

Roadmap

v1.1: shortcut + screenshots manifest field validation
v1.2: offline page check (load URL, force offline, verify SW responds)
v1.3: WebShare + WebPush API detection

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