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About

Self-hosted Speedtest for HTML5 and more. Easy setup, examples, configurable, mobile-friendly. Supports PHP, Node, multiple servers, and more. This is a very lightweight Speedtest implemented in Javascript, using XMLHttpRequest and Web Workers. All modern browsers are supported, IE11, latest Edge, latest Chrome, latest Firefox, latest Safari. Works with mobile versions too. A reasonably fast webserver with Apache 2 (Nginx, IIS also supported). PHP 5.4 (other backends also available), MySQL database to store test results (optional, PostgreSQL and SQLite also supported), and a fast internet connection. A template to build an Android client for your LibreSpeed installation is available. A docker image is available on the Docker Hub. A partial Node.js implementation is available in the node branch. IP Address, ISP, distance from the server (optional), telemetry (optional), results sharing (optional), and multiple points of the test (optional).

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.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android 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

Companies, professionals and individuals seeking a free and open source speed test solution

Audience

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

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 Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

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

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

Company Information

LibreSpeed
United States
librespeed.org

Company Information

PerfDelta
Founded: 2026
Germany
perfdelta.com

Alternatives

Alternatives

Categories

Speed Test Supported

Categories

Speed Test Supported
Website Monitoring Supported

Website Monitoring Features

Availability Testing Not Supported
Event Logs Not Supported
Event-Based Notifications Not 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

Model Context Protocol (MCP) Not Supported

Integrations

Model Context Protocol (MCP) Supported
Claim LibreSpeed and update features and information
Claim LibreSpeed and update features and information
Claim PerfDelta and update features and information
Claim PerfDelta and update features and information