Core Web Vitals diagnostics
Real-page LCP, CLS, INP, and TTFB measurements with the exact elements, scripts, or layouts causing regressions.
- Element-level LCP attribution
- Layout-shift source tracing
- Interaction latency breakdown
Every feature your site actually needs
VitalsLens gives you diagnosis and the fix — not a pile of scores.
Fix recommendations with impact
Every recommendation shows expected metric impact so you prioritise by ROI, not by vibe.
- Expected LCP improvement in ms
- Expected CLS reduction
- Confidence score per fix
Technical SEO audit
Meta tags, canonical URLs, robots directives, sitemaps, internal link depth, and redirect chains — all audited.
- Broken meta tag detection
- Duplicate content flagging
- Sitemap health check
Schema markup validator
Validates JSON-LD, Microdata, and RDFa. Flags missing schema on content that qualifies for rich results.
- Rich-result eligibility
- Breadcrumb, Article, Product checks
- Schema diff per deploy
Accessibility (WCAG 2.2)
Per-element accessibility audits with code-level fix recommendations. Not another 'you scored 87' badge.
- Contrast, label, focus, ARIA
- Keyboard navigation checks
- Screen-reader simulation
Continuous monitoring
Schedule audits across staging and production. Alerts fire when a commit regresses any tracked metric.
- Per-commit regression tracking
- Slack, email, and webhook alerts
- Environment comparison
Competitive benchmarking
Track how your Vitals stack up against named competitors over time.
- Weekly competitive diffs
- Share-of-voice on target queries
- Reportable CSV + PDF
Works with your stack
React, Next.js, Nuxt, SvelteKit, Astro, Ruby on Rails, Laravel, WordPress, Shopify — all supported.
- Framework-aware guidance
- Shopify theme tuning
- WordPress plugin audit