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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.

About

SpeedVitals is a website performance evaluation tool targeted at improving core web vitals. SpeedVitals uses Lighthouse to measure the lab data and Chrome's User Experience API to measure field data. The aim of this tool is to provide insights and easy ways to improve the website's speed no matter what platform or technology the website is built on. We are aiming to develop one of the most feature-rich speed testing tools in the market. Performance improvements of websites can drastically reduce the carbon footprint globally by reducing the bandwidth requirements. Our aim is to help our users turn their websites carbon neutral and improve the user experience in the same process. A faster website also directly impacts the user experience and conversion rates. We are a group of developers and website owners passionate about making the web a faster and safer place with the help of cutting-edge technologies.

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

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

Audience

SEO specialists, agencies, and in-house web teams.

Audience

Companies requiring a solution to measure website performance and boost core web vitals

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

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

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

PerfDelta
Founded: 2026
Berlin, Germany
perfdelta.com

Company Information

SpeedVitals
Founded: 2021
speedvitals.com

Alternatives

Alternatives

Categories

Speed Test Supported

PageSpeed 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.

Website Monitoring Supported

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

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

Integrations

ChatGPT Supported
Claude Supported
Cursor Supported
Google Chrome Not Supported
Google PageSpeed Insights Supported
Lighthouse Supported
Lighthouse Not Supported
Model Context Protocol (MCP) Supported
Zapier Supported

Integrations

ChatGPT Not Supported
Claude Not Supported
Cursor Not Supported
Google Chrome Supported
Google PageSpeed Insights Not Supported
Lighthouse Not Supported
Lighthouse Supported
Model Context Protocol (MCP) Not Supported
Zapier Not Supported
Claim PerfDelta and update features and information
Claim PerfDelta and update features and information
Claim SpeedVitals and update features and information
Claim SpeedVitals and update features and information