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Other
well-known culprits include Twitter, last.fm,
Windows Live Spaces, Friendster and del.icio.us.
Of the 104 sites monitored, 51 show a Site
Performance Index (SPI) of 1000 or more,
making them very slow in load time.
This, the company says, is a remarkable
outcome, seeing as most sites heavily use
Ajax, which should lead to quicker load
times since the dynamics of the site do
not load immediately. Using Ajax should
help websites increase interactivity, speed,
functionality and usability by exchanging
small amounts of data with the server so
the entire webpage does not need loading
fully every time someone performs an action
on a page.
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