Site Health
Alpha · Full access free, forever for early users

Know exactly why your
Webflow site is slow

Automated PageSpeed monitoring, Core Web Vitals tracking, CMS image audits, and a native Designer Extension — everything you need to keep your Webflow sites fast.

PageSpeed monitoringCore Web VitalsCMS image auditScan comparisonDesigner ExtensionCSV export

Dashboard

Health Score

84

Performance

79

SEO

96

acmecorp.com
91
techstartup.io
67
fashionbrand.co
43

6

Feature areas covered

500 KB

CMS image threshold

Daily

Automated scan cadence

< 5 min

Time to first insight

Features

Everything a Webflow power user needs

Whether you manage one site or many, get the performance visibility Webflow doesn't give you out of the box.

PageSpeed monitoring across every page

Run Lighthouse across all published pages — not just the homepage. Get per-page Performance, SEO, Accessibility, and Best Practices scores with color-coded pass/fail at a glance.

  • Mobile and desktop strategies
  • Per-page score breakdown
  • Historical score tracking

Pages

/
9298
/about
8594
/pricing
7196
/blog
5889

Core Web Vitals · mobile

LCP

2.4s

Good

CLS

0.08

Good

INP

340ms

Needs work

Core Web Vitals with real-user data

LCP, CLS, and INP — the metrics Google uses to rank pages. See whether each metric is Good, Needs Improvement, or Poor, with real Chrome User Experience Report data when available.

  • Good / needs-improvement / poor badges
  • CrUX real-user data overlay
  • Avg across all pages

CMS image audit — unique to Webflow

Editors upload unoptimized images to CMS collections every day. Site Health automatically scans every image field across every CMS item and flags anything over 200 KB or 500 KB.

  • Scans all collections automatically
  • Flags oversized and large images
  • Shows item name, field, and file size
  • Export full audit as CSV

CMS Issues · 4 found

Export CSV

Summer Sale Hero

hero-image

1.8 MBOversized

Team — Sarah K.

headshot

620 KBOversized

Case Study: Fintech

cover

380 KBLarge

Scan Comparison · before vs after

MetricBeforeAfterChange
Performance6479↑15
SEO9195↑4
Accessibility8888

Per-page diff also available for every URL

Before / after scan comparison

Compare any two scans side-by-side — see exactly which pages improved, regressed, or stayed the same after a redesign, CMS update, or site migration. No more guessing whether your changes helped.

  • Site-level avg score diff
  • Per-page performance, SEO, and A11y deltas
  • Color-coded ↑ / ↓ change indicators
  • Links to full scan detail
Coming Soon

Health scores inside the Webflow Designer

Install the Designer Extension and see live PageSpeed scores, Core Web Vitals, and top issues in a panel alongside your canvas — no tab switching required. Trigger a fresh scan without leaving the editor.

  • Real-time health score ring in a side panel
  • LCP, CLS, INP with good/warn/poor colors
  • Run scan from inside the Designer
  • Live progress bar while scanning
Site Health
79Needs work

LCP

2.4s

CLS

0.08

INP

340ms

Top Issues

3 oversized CMS images
Avg LCP 2.4s — above threshold

Automation

Scheduled Scans

Daily at 09:00 UTC

Active

Alert Threshold

Email when score < 70

Active

Publish Trigger

Auto-scan on Webflow publish

Active

Alerts and automation that run themselves

Set a score threshold and forget about it. Get an email the moment a client site drops below your standard. Scans run daily, weekly, or automatically every time a site is published in Webflow.

  • Email alert when score drops below threshold
  • Auto-scan on every Webflow publish
  • Daily or weekly scheduled scans

How it works

Up and running in 2 minutes

1

Connect Webflow

OAuth in one click. We import all your workspace sites automatically. No copy-pasting URLs.

2

Run your first scan

Click Run Scan on any site. We fetch every published page and run Lighthouse on each one.

3

Monitor automatically

Set a schedule or publish trigger. Get email alerts when scores drop. Compare before and after any change.

Pricing

Free — always, for alpha users

We're in alpha. Join now and get full access — every feature, unlimited scans — completely free, forever. No catch.

$0

Full access

Forever, for early users

  • Unlimited sites
  • Daily & weekly scheduled scans
  • Email alerts on score drops
  • CMS image audit + CSV export
  • Core Web Vitals tracking
  • Auto-scan on Webflow publish
  • Before / after scan comparison
  • Designer Extension panel
  • Competitor benchmark tool
  • Scan history & trend charts
Claim your free spot

Alpha access · No credit card required · Lock in free access now.

Not ready to connect? Start with a free benchmark.

Enter any 5 URLs — yours and your competitors — and get a side-by-side PageSpeed comparison in under a minute. No account needed.

Powered by

Built on industry-standard performance tools

Site Health uses the same engine that powers Google's own search ranking to measure your site's performance — so the scores you see are the scores that matter.

Google PageSpeed Insights

Active

Lighthouse-based performance, SEO, accessibility, and Core Web Vitals analysis for every page on your site.

GTmetrix

Coming Soon

Waterfall analysis, real-browser testing, and additional performance metrics from GTmetrix — coming in a future update.