Diffy.website Alternatives & Competitors

The Ultimate Regression Testing Platform. Never deploy without it. Track, Test, and Identify exactly what's plaguing site performance.

Key Cursion features:

Web Metrics Visual Regression Testing Unit Testing Open API

freemium $0.1 (Per extra task (Test, CaseRun, Scan etc))

GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

Key GTmetrix features:

Comprehensive Performance Metrics Waterfall Chart Global Test Locations Integration with Third-Party Tools

Shared cloud environments for AI coding agents. Run Claude Code, Cursor CLI, Codex, and Gemini CLI from any device, API, or automation tool.

Key CloudCLI features:

Multi-Agent Support Git Integration Persistent Cloud Sessions Web UI & Mobile App

Try for free Open Source paid Free Trial €7.0 / Monthly

Tool for optimizing SVG files.

Key SVGO features:

File Size Reduction Improved Performance Configurable Plugins CLI and API Availability

Automate your workflow from idea to production.

Key GitHub Actions features:

Seamless GitHub Integration Custom Workflows Marketplace Access Concurrent Execution

Open Source

Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!

Key Ghost Inspector features:

Ease of Use No Coding Required Browser Extension Integration

paid Free Trial $99.0 / Monthly (10,000 test runs per month; 5 member seats)

PageSpeed is addon for ...

Key PageSpeed Insights features:

Comprehensive Analysis Actionable Recommendations Integration with Other Google Tools User Experience Metrics

SVGOMG is SVGO's Missing GUI, aiming to expose the majority, if not all the configuration options of SVGO.

Key SVGOMG features:

Ease of Use Real-Time Optimization Effects Customizable Options Web-Based Tool

Open Source