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"Because of AlertSite monitoring data, we have improved our load time by a staggering 85%, which is significant when you're the industry leader."

Dan Stern, Director of Web Development, LAMPS PLUS

AlertSite Market Index

AlertSite Computer Benchmarks

Week of Monday, 11/10/2008 through Sunday, 11/16/2008

Computer
Response Time

Measures how quickly the home page is presented, in seconds.

Rank	Site	Response Time	Rank Last Week
1	Apple	2.8219	1
2	Dell	3.3844	2
3	HP	3.3981	3
	Benchmark Average	4.7906
4	Microsoft	7.0114	4
5	IBM	7.3374	5

Elapsed time for all objects including images, JavaScript, Flash and third party objects. Collected from geographically dispersed locations and aggregated.

Computer
Percent Available

Measures percent of time website is accessible by users.

Rank	Site	Percent Available	Rank Last Week
1	Apple	99.95	5
2	HP	99.90	1
2	Microsoft	99.90	1
	Benchmark Average	99.89
4	Dell	99.85	4
4	IBM	99.85	3

Measure includes accessibility from multiple global locations. Complete page must be rendered in less than 60 seconds without error.

Computer
Stability (Standard Deviation)

Measures consistency and uniformity of customer experience.

Rank	Site	Stability(Standard Deviation)	Rank Last Week
1	Apple	1.6596	1
2	HP	1.6689	2
	Benchmark Average	3.0674
3	IBM	3.7377	5
4	Dell	4.0394	4
5	Microsoft	4.2311	3

Measures how widely spread are the response time values for the week. Websites should attempt to reach the lowest number possible here as an indicator of a more stable web site.