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psiLynx

Bulk Lighthouse Audit & Core Web Vitals Monitoring·psilynx.com

psiLynx is a bulk Lighthouse auditing and Core Web Vitals monitoring tool for developers, SEO teams, and agencies. It runs Google PageSpeed Insights audits across hundreds or thousands of URLs simultaneously on mobile and desktop, tracks Core Web Vitals metric history (LCP, CLS, INP, FCP, TTFB) per page, and sends regression alerts when scores drop after a deploy. It also offers CrUX field data, issue-ranked recommendations, scheduled audits, shareable client reports, and basic uptime monitoring.

What it's for

Running bulk Lighthouse audits across hundreds or thousands of URLsTracking Core Web Vitals history per page over timeDetecting performance regressions after deploysComparing before/after batch runs to identify regressed or improved pagesGenerating client-shareable performance reportsScheduling recurring automated auditsMonitoring uptime and detecting degraded page statesGrouping URLs by page type to isolate underperforming templates

Features 16

API for triggering batch audits
Before/after batch comparison
Bulk URL Lighthouse audits
Core Web Vitals history tracking (LCP, CLS, INP, FCP, TTFB)
CrUX real-user field data
CSV, sitemap, or JSON URL import
Custom cron scheduling
Issues & recommendations ranked by impact
Mobile and desktop simultaneous checks
Page Type analysis and reports
PDF and CSV export
Performance regression alerts
Scheduled automated audits
Shareable report links
Team collaboration
Uptime monitoring with DEGRADED status detection

At a glance

free tierAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

Fordevelopers, SEO teams, agencies, freelancers, performance-driven dev teams

CompanypsiLynx sp. z o.o.

Integrations

SlackStripeGoogle PageSpeed Insights APIChrome UX Report (CrUX)

Resources

Docs

Pricing

Annual billing discounts are available; contact support@psilynx.com for details. Some quota and limit figures vary across plan details.

FreeFree

Pricing page text states 30 URLs for Free plan, but structured markup states 10 URLs — markup used per extraction precedence rules.

50 Lighthouse checks/week, 1 project, 10 URLs, 30-day history

Starter$19.99/mo

Pricing page text states 3 projects; structured markup states 5 projects — markup used per extraction precedence rules.

150 Lighthouse checks/week, 5 projects, 75 URLs each, 90-day history

Pro$49.99/mo

Pricing page text states 500 checks/week; structured markup states 300 checks/week — markup used per extraction precedence rules.

300 Lighthouse checks/week, 15 projects, 300 URLs each, 180-day history, 3 team members

Business$129.99/mo

Mobile & Desktop checks, Core Web Vitals + CrUX, Advanced recommendations, CSV & JSON export, Page Type Reports, Scheduled checks (unlimited), Custom cron schedules, 10 team members, Priority email support

2,000 Lighthouse checks/week, unlimited projects and URLs, 365-day history, 10 team members, priority support