Continuous Website Performance Monitoring.
Track speed, carbon impact, accessibility and AI crawlability, while Leaf Watch flags daily changes to availability and search visibility.
Everything you need in one platform
Features
Catch real-world Core Web Vitals issues
See how real users experience your site over time; not just one-off scores.
Make sustainability measurable
Track your website's carbon footprint and prove your commitment to reducing environmental impact.
Be visible to AI agents and search
Ensure your content is discoverable and usable by AI-powered search engines and agents.
Reduce legal and UX risk
Identify accessibility issues before they become compliance problems or hurt user experience.
Catch critical changes with Leaf Watch
Check homepage availability, response time, indexability, canonicals, metadata and robots.txt every day, with alerts when something changes.
Prove improvements to stakeholders
Show concrete data on how your optimizations impact performance over time.
Insight in three simple steps
Connect your site
Add a URL and we handle the rest — no code, tags or scripts required.
We scan and keep watch
Full-site audits measure every page, while Leaf Watch checks critical homepage signals daily.
Get a plan of action
Receive a prioritised list of fixes with AI-powered recommendations and clear impact.
One scan. 90+ datapoints. Zero guesswork.
Agencies juggle a Lighthouse run, an axe scan, an SEO crawler and a carbon calculator to report on a single client site. PerfLeaf collects it all in one automated crawl — audit-ready detail you can hand to clients or stakeholders as-is.
Core Web Vitals
8 metricsLCP, CLS, FCP, TTFB, INP, TBT, SI and FID — the same signals Google uses to rank and rate real-world experience.
Page weight & assets
22 metricsJS, CSS, image, font, video and audio breakdowns, third-party requests, caching, and a per-resource inventory of every request.
DOM & structure
9 metricsNode count, tree depth, largest subtree and tag counts — catch bloated markup before it slows real users down.
Security posture
8+ checksHTTPS, mixed content, CSP, security headers and cookie attributes — flag client risk before their customers do.
SEO & social metadata
16 fieldsTitles, descriptions, canonicals, robots directives, Open Graph and Twitter cards, captured on every page you crawl.
Accessibility
WCAG scanAutomated violation scanning with severity, impacted elements and fix guidance — reduce legal exposure and prove compliance.
AI Search Readiness
15 signalsllms.txt, robots.txt and AI-crawler access analysis with a risk rating — future-proof clients for AI search and agents.
Carbon & sustainability
5 metricsEvery page's carbon footprint, calculated against green hosting status — turn ESG commitments into hard numbers.
Start free. Scale as you grow.
No credit card required. Get core performance monitoring for free, then upgrade when you need more.
Sprout
Free plan for small sites
- Monitor 1 site
- Monitor 20 pages per site
- Basic performance metrics
- Single page crawling
- Top Pages (GA4) crawling
- Selected pages crawling
- CO2 emissions tracking
- Accessibility scan
- AI Search Readiness
- Monthly reports
- Weekly reports
- Git commit reports
- AI-powered suggestions
- AI action plan enrichment
- AI chat assistant
- AI visibility tracking
- No AI credits
- Team logins
Grow
Perfect for growing websites
- Monitor 5 sites
- Monitor 500 pages per site
- Advanced performance metrics
- Multi-page crawling
- Top Pages (GA4) crawling
- Selected pages crawling
- CO2 emissions tracking
- Accessibility scan
- AI Search Readiness
- Monthly reports
- Weekly reports
- Git commit reports
- AI-powered suggestions
- AI action plan enrichment
- AI chat assistant
- AI visibility tracking
- 400 AI credits / month
- Team logins
Bloom
For professional websites
- Monitor 5 sites
- Monitor 2000 pages per site
- Advanced performance metrics
- Multi-page crawling
- Top Pages (GA4) crawling
- Selected pages crawling
- CO2 emissions tracking
- Accessibility scan
- AI Search Readiness
- Monthly reports
- Weekly reports
- Git commit reports
- AI-powered suggestions
- AI action plan enrichment
- AI chat assistant
- AI visibility tracking
- 800 AI credits / month
- Team logins
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Stop guessing. Start measuring real performance.
Join the growing number of companies who trust PerfLeaf to monitor, optimize, and improve their web experiences.