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What is W3SpeedX?

W3SpeedX offers an all-inclusive solution for monitoring website performance, ensuring businesses can effectively manage and improve their site's speed and user experience at any time. By providing real-time insights into crucial web vitals metrics, users can identify and address performance issues proactively, preventing negative impacts on site visitors. The platform features customizable dashboards and detailed performance reports, retaining data for a three-month period to help users observe trends and make informed decisions. With W3SpeedX, users can guarantee their websites function optimally, leading to enhanced user satisfaction. We promise that your website remains efficient and responsive consistently. Our core web vitals monitoring function allows you to identify and fix speed challenges before they affect your audience, as a great user experience motivates return visits. Monitor your site's performance continuously while uncovering quick fixes to enhance speed. Our webpage analysis tool streamlines site improvement with user-friendly graphs, making the process of optimization straightforward for all users. Moreover, utilizing W3SpeedX not only boosts your site’s efficiency but also empowers you to stay ahead of the competition in the digital landscape.

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.

Media

Media

Integrations Supported

Integrations Supported

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

API Availability

API Availability

Has API

Pricing Information

$50 per month
Free Version

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

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

24 Hour Support
Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

W3SpeedX

Company Location

United States

Company Website

w3speedx.com

Company Facts

Organization Name

PerfDelta

Date Founded

2026

Company Location

Berlin, Germany

Company Website

perfdelta.com

Categories and Features

Website Monitoring

Not specified

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

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