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What is PerfDelta?

PerfDelta serves as a specialized online platform aimed at assessing and monitoring website speed, specifically tailored for SEO experts, digital agencies, and internal web development teams. The free testing feature permits users to analyze up to three web pages on both mobile and desktop devices, utilizing real-user Core Web Vitals data derived from the Chrome UX Report in combination with metrics from Lighthouse labs. Its in-depth reports facilitate direct comparisons between a user’s website and up to two competitors, as well as benchmarks against previously analyzed sites, while also illustrating page weight distributions, timelines for requests, identifying the technologies employed, and offering prioritized recommendations that highlight estimated savings along with the relevant affected files. Those who choose to subscribe to paid plans gain access to extra features including scheduled monitoring, performance budgets, email alerts, historical reporting, and PDF exports, with Agency and Scale plans also providing CSV export capabilities, public dashboards, and a REST API for more advanced functionalities. Additionally, the platform's MCP access empowers compatible AI agents to effortlessly request tests and retrieve results. Clients can also share reports for performance evaluations and to aid in continuous website improvements, significantly enhancing the overall value of the service provided. This comprehensive offering makes PerfDelta an indispensable tool for those committed to optimizing their web performance.

What is Loado?

Loado tracks and assesses the performance of your websites meticulously. By leveraging Core Web Vitals along with User Timings, we offer prompt notifications regarding any emerging issues, ensuring that your site runs flawlessly and efficiently. This service is essential for sustaining peak functionality across your website. We collect real user data via Web Vitals, providing immediate and actionable insights. Utilizing the comprehensive analytics provided by Loado, developers can optimize performance tailored to specific pages, different devices, or even various geographic regions. Additionally, page performance is a vital factor in Google’s ranking criteria, where faster sites are likely to achieve better rankings and potentially lower marketing costs. Core Web Vitals consist of a variety of metrics that evaluate key elements such as speed, responsiveness, and visual stability. With the simple addition of a single script tag to your site’s Head section, you can start capturing this crucial data instantly, enabling well-informed decisions to enhance user experience. This easy integration allows you to concentrate on creating an outstanding browsing experience that keeps users engaged and satisfied. Ultimately, prioritizing website performance can lead to significant improvements in both user retention and overall satisfaction.

Media

Media

Integrations Supported

ChatGPT
Claude
Cursor
Google PageSpeed Insights
Lighthouse
Model Context Protocol (MCP)
Zapier

Integrations Supported

Google Chrome
Internet Explorer
Mozilla Firefox
Safari

API Availability

Has API

API Availability

Pricing Information

€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

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

PerfDelta

Date Founded

2026

Company Location

Berlin, Germany

Company Website

perfdelta.com

Company Facts

Organization Name

Loado

Company Location

United States

Company Website

loado.dev/

Categories and Features

Speed Test

PageSpeed Insights evaluates a single URL and provides a singular score. In contrast, PerfDelta examines three pages in each session, displaying results alongside up to two competing sites as well as a reference point based on all domains assessed to date. Additionally, it maintains a record of every measurement taken. The free testing option does not require an account.

Not specified

Website Monitoring

Monitor your Core Web Vitals alongside competitor comparisons and receive timely alerts. Our subscription plans allow for the tracking of 25 to 500 URLs either daily or weekly, with updates every 6 hours for agency accounts. You'll receive daily CrUX field data, the ability to track 3 to 10 rival websites, set performance budgets for individual projects and URLs, and get notified via email if a score decreases by 10 points or more. Additionally, a detailed report will be provided weekly.

Event-Based Notifications
Performance Metrics

Categories and Features

Website Monitoring

Not specified

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