Website Speed and Performance Checking ToolsPingdom
Combines two of the most popular Firefox performance add-ons – Yslow and Google Page Speed.
GTmetrix gives you suggestions what you need to improve your website. Although Yslow and Google page speed are recommended for Firefox, it can also be applicable to other browser.
GTmetrix can help you develop a faster, more efficient, and all-around improved website experience for your users.
Light Speed Now
Test your website speed and performance
- Increase in Pageviews
Users will spend less time waiting for your site to load, and more time actively surfing your website
- Better Google Ranking
As of 2010 Google weighs site speed against the ranking of your website. Faster websites get a higher ranking.
- Better customer experience
Your website is your store front it’s important to give the best possible experience to your customers. Speed REALLY DOES matter.
- Gain more return customers
Customers having had a seamless experience with your site will return with confidence.
- Make more sales
- Stay ahead of your competitors
Loadimpact is a very important tool for large Website visited by tens of thousands visitors each day. A free account allows you to check the loading impact with 50 simulated users, anything more you’ll have to upgrade to a premium account.
Load Impact is an online load testing service that lets you load test your website with just a few mouse clicks.
Site-Perf fully emulates accurate
, and helpful
estimation of your site’s loading speed. The script fully emulates natural browser behaviour
downloading your page with all the images, CSS, JS and other files – just like a regular user. Spot bottlenecks, reach perfect performance
and balance your site load with Site-Perf.com, a smart and flexible testing tool. Focus on important things while Site-Perf.com delivers the speed facts straight to your screen.
Benchmark your website or test the speed of your web connection.
Conduct a real-time Instant Test for an individual Web page to test its performance from an external
OctaGate SiteTimer aims at web site developers that needs to get a birds eye view of their work. Web Monitor allows you to monitor how long it takes for a user to download one or more of your web site pages.
Shows the duration of a given website. This value can be used for showing how long a website take to load and if it is better to optimize the website or change a (slow) ISP.
A quick and easy way to get performance data on any website without having to create a test script.
A free open source tool for testing performance and scalability of web services. It runs HTTP load tests, which are useful for capacity planning, benchmarking, analysis, and system tuning.
Google Page Speed
Page Speed is an open-source project started at Google to help developers optimize their web pages by applying web performance best practices. Page Speed started as an open-source Firefox/Firebug add-on and is now deployed in third-party products such as Webpagetest.org
, Show Slow
and Google Webmaster Tools
The Page Speed family consists of several products. Web developers can use the Page Speed extension for Firefox/Firebug to analyze performance issues while developing web pages. Apache web hosters can use mod_pagespeed, a module for the Apache™ HTTP Server that automatically optimizes web pages and their resources at serving time.
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages
. YSlow is a Firefox add-on
integrated with the Firebug
web development tool. YSlow grades web page based on one of three predefined ruleset or a user-defined ruleset. It offers suggestions for improving the page’s performance, summarizes the page’s components, displays statistics about the page, and provides tools for performance analysis, including Smush.it™
Multi-Mechanize is an open source framework for web performance and load testing. It allows you to run simultaneous python scripts to generate load (synthetic transactions) against a web site or web service.
Multi-Mechanize uses a multi-process, multi-threaded engine to replay your scripts and generate concurrent virtual users. Results are saved in CSV format along with an HTML report containing stats and graphs.