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
Relvato is a website monitoring and regression-testing service that rechecks site functions in a real browser, including uptime, sign-up and login flows, checkout, page speed, search visibility, security and visual changes. Public-page monitors work with websites across different platforms; a WordPress plugin adds event-triggered checks for WordPress and WooCommerce updates and authenticated flows. Relvato can rerun checks after GitHub deployments and connect Google Search Console and Bing Webmaster Tools for search-performance signals. Reports and alerts identify failures and associated changes, while optional AI-assisted suggestions can help explain issues and propose fixes. Additional monitoring covers SSL, DNS, broken links, email delivery, accessibility, cookie consent and legal pages. Plans include a free tier and paid subscriptions for site owners and agencies managing multiple sites.
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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
WordPress and WooCommerce store owners, agencies and developers who need to know a site still works after every update
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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
Not Supported
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API
Offers API
Supported
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API
Offers API
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
$29/month
Free: $0 for one site and 100 runs/month, run manually or weekly. Pro: $29/month for one site and 1,500 runs/month. Business: $79/month for five sites. Agency: $199/month for 25 sites. Annual billing is available and saves about two months versus monthly billing.
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 InformationRelvato
Founded: 2026
Romania
www.relvato.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
Model Context Protocol (MCP)
Supported
Bing Webmaster Tools
Not Supported
ChatGPT
Supported
Claude
Supported
Cursor
Supported
GitHub
Not Supported
Google PageSpeed Insights
Supported
Google Search Console
Not Supported
Lighthouse
Supported
WordPress
Not Supported
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Integrations
Model Context Protocol (MCP)
Supported
Bing Webmaster Tools
Supported
ChatGPT
Not Supported
Claude
Not Supported
Cursor
Not Supported
GitHub
Supported
Google PageSpeed Insights
Not Supported
Google Search Console
Supported
Lighthouse
Not Supported
WordPress
Supported
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