hpricot vs. nokogiri: Parsing XML
..........
Set 1 mean: 5.368 s
Set 1 std dev: 0.052
Set 2 mean: 0.703 s
Set 2 std dev: 0.054
p.value: 1.0825088224469e-05
W: 100.0
The difference (-86.9%) IS statistically significant.

hpricot vs. nokogiri: Searching with XPath
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Set 1 mean: 3.590 s
Set 1 std dev: 0.250
Set 2 mean: 0.676 s
Set 2 std dev: 0.055
p.value: 1.0825088224469e-05
W: 100.0
The difference (-81.2%) IS statistically significant.

hpricot vs. nokogiri: Searching with CSS
..........
Set 1 mean: 4.237 s
Set 1 std dev: 0.061
Set 2 mean: 2.463 s
Set 2 std dev: 0.069
p.value: 1.0825088224469e-05
W: 100.0
The difference (-41.9%) IS statistically significant.