Related Products
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About
PerfDelta is a web-based website speed testing and monitoring service for SEO specialists, agencies, and in-house web teams. Its free test scans up to three pages on mobile and desktop, combining real-user Core Web Vitals from the Chrome UX Report with Lighthouse lab measurements. Reports compare a site with up to two competitor domains and a benchmark of previously tested sites, show page-weight breakdowns and request timelines, identify site technologies, and estimate savings in prioritized recommendations naming affected files. Paid plans add scheduled monitoring, performance budgets, email alerts, report history, and PDF exports; Agency and Scale plans also provide CSV export, public dashboards, and a REST API. MCP access lets compatible AI agents request tests and retrieve results. Reports can be shared with clients for performance audits and ongoing site work.
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About
Increase your team’s efficiency by eliminating dependencies on multiple tools. Uncover all critical issues with just a click. Manage it all from a simple, unified platform, cutting down hundreds of hours of repetitive work. High-performing websites make clients happy, boost engagement, and build trust in your agency’s expertise. Strong accessibility ensures inclusivity, expands audience reach, and enhances client satisfaction for web agencies. High-quality web development builds trust, reduces issues, and elevates client confidence in agency services. Effective SEO drives visibility increases traffic, and delivers measurable results for web agency clients. Optimize your website management process with our all-in-one audit and monitoring tool for improved efficiency. WebYes is a free audit and monitoring tool that scans your website and identifies issues. It provides a detailed report highlighting key areas of improvement after the scan.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
SEO specialists, agencies, and in-house web teams.
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Audience
Companies seeking a free audit and monitoring tool to scan their website and identify issues
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
€23/month
A free plan is available. The Solo plan costs €23/month net with monthly billing, or €230/year net with annual billing. Higher plans add scheduled monitoring, alerts, report history, exports, and API access.
Free Version
Supported
Free Trial
Not Supported
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Pricing
$59 per month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationPerfDelta
Founded: 2026
Berlin, Germany
perfdelta.com
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Company InformationWebYes
Founded: 2024
United States
www.webyes.com
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Alternatives |
Alternatives |
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CategoriesPageSpeed Insights tests one URL and shows one score. PerfDelta tests three pages per run, puts the results next to up to two competitors and a benchmark of every domain tested so far, and keeps the history of every measurement. The free test needs no account. Core Web Vitals monitoring with competitor benchmarks and alerts. Paid plans monitor 25 to 500 URLs daily or weekly, every 6 hours from Agency, with daily CrUX field data, 3 to 10 tracked competitors, performance budgets per project and URL, email alerts when a score drops by 10 points or more and a weekly report. |
Categories |
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Website Monitoring Features
Availability Testing
Not Supported
Event Logs
Not Supported
Event-Based Notifications
Supported
FTP Monitoring
Not Supported
Mail Server Monitoring
Not Supported
Maintenance Scheduling
Not Supported
Performance Metrics
Supported
Real Time Monitoring
Not Supported
Transaction Monitoring
Not Supported
Uptime Reporting
Not Supported
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Integrations
ChatGPT
Supported
Claude
Supported
Cursor
Supported
Google PageSpeed Insights
Supported
Lighthouse
Supported
Model Context Protocol (MCP)
Supported
Zapier
Supported
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Integrations
ChatGPT
Not Supported
Claude
Not Supported
Cursor
Not Supported
Google PageSpeed Insights
Not Supported
Lighthouse
Not Supported
Model Context Protocol (MCP)
Not Supported
Zapier
Not Supported
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