1. Page Speed
Google’s Page Speed is an open-source
Firefox add-on, with which you can test the speeds of current web pages and get
suggestions on how to improve them.
The Page Speed need to be used with
another Firefox add-on Firebug .
2. Yahoo! YSlow
Yahoo! YSlow is also a Firefox/Firebug
add-on, and it will also test website speed and offer suggestions for
improving the page’s performance.
Usually, if your Page Speed score is
high, so your YSlow grade will be, and vice versa.
3. GTmetrix
GTmetrix will offer website speed
testing results from both Google Page Speed and Yahoo! YSlow, and it will also
offer some recommendations for how to improve the website speed.
The GTmetrix results may be a little
different from those of Page Speed or YSlow, but you can test and compare up to
four websites at a time.
4. Pingdom Tools
Pingdom Tools is for you to test the
load time of a web page.
You can view the load time of every
element on the web page and find out the bottlenecks.
5. Web Page Analyzer
Web Page Analyzer will calculate page
size, composition and download time for the web page of the URL you enter, it
will also offer advice on how to improve page load time.
6. WebPagetest
With WebPagetest, you can test one
website and get detailed recommendation, or you can test several websites and
compare them with each other.
When
testing one website, you can select the test location, choose the IE browser or
connection versions, keep test results private,
and so on.
7. Webmaster Tools
Log in your Webmaster Tools, open the
Site Performance page of Labs, then you will see the loading time of your
website in a chart, and you will also get some suggestions for how to make the
site faster.
8. Zoompf
Besides to test website speed,
Zoompf will also list all the issues in detail and offer related references for
how to fix them.
9. Show Slow
Show Slow will also show you both YSlow
grade and Page Speed score for the web page of the URL you enter.
You need to register to add the URL of
the website your want to test.
10. Which Loads
Faster
The Which Loads Faster website will
test and compare the loading speed of two websites or web pages.
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