1) Web Page Test
Use real browsers (IE and Chrome) from multiple locations around the world and test the speed of your website at real consumer connection speeds. You can run simple tests, or perform multi-step transactions, video collection, content blocking, and more advanced tests, including. Your results will provide a wealth of diagnostic information, including the resource loading waterfall chart, web page Speed Optimization check and improvement suggestions.
2) Load Impact
Load Impact is used to test the number of loads that a website can support at one time. It can initiate 50 concurrent requests from different locations at the same time and analyze the loading speed of your web page.
3) FreeSpeedTest
FreeSpeedTest.com is one of the best website speed testing tools used to test Website access speed and loading time, simulating requests from around the world.
4) Browser Mob
Users in three different places can access the website and perform loading tests. More than 25 real browsers or 100 virtual users can detect the website speed and provide script verification services.
5) Rapid Search Metrics
It is used for SEO search engine optimization and speed testing and analysis. The data includes the average website speed, data volume, and non-HTML loading time.
6) Host Tracker
Over 95% of nodes from around the world can be used to simulate and test websites, including sending error reports to mobile phones, support for HEAD, POST, GET, and other methods, and CGI script operations.
7) Pingdom Tools
Displays the loading time of each element of a website, including Html, css, js, and images.
8) Webo Software
After the Webo software tests the website performance, it sends the test results to you by email. It also recommends when to increase the website speed, bandwidth, and other information.
9) iWebtool
10) Wave
11) Web Page Analyzer
Web Page Analyzer allows users to test the website speed to improve performance, while computing the Page size, complexity, and download time.
12) WebToolHub
A sophisticated tool for website testing, including two test modes: simple and advanced.
The simple mode displays the loading time of the website and the access speed of each place. The advanced mode also includes the loading time of each element.
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Title: 12 free online Web site performance testing tools
Address: http://www.oschina.net/news/21033/12-free-online-tools-for-website-testing