Sitespeed Alternatives

Blackfire empowers all PHP developers and IT/Ops to continuously verify and improve their app’s performance, throughout its lifecycle, by getting the right information at the right moment.

Load testing and tracking application

Apache JMeter™.

WebLOAD - The most flexible and cost effective software for enterprise load, stress and performance testing, integrated with DevOps processes. Click for details

UbikLoadPack provides plugins for Apache JMeter to load test Video Streaming, GWT Applications, Java Serialization based products and Flex.

Dynatrace Load lets you test the performance of web and mobile applications with the realism of load generation from the cloud.

PageSpeed tool analyzes and optimizes the site following web best practices.

XRebel is a lightweight Java profiler that helps developers find and fix common problems in their application as they code.

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.

Login VSI is a software product to test the performance and scalability of Windows based virtualized desktops by simulating user workloads.

Load testing tool for websites and mobile that works with hard-to-test applications.

XHProf is a function-level hierarchical profiler for PHP and has a simple HTML based user interface.

Test automation solution to test desktop, web and mobile applications.