54 out of the US top 100 websites fail Yahoo’s performance test
May 29, 2008. We
have used Yslow, Yahoo’s performance plugin to Firefox, to analyze the
performance of the top 100 websites in the US according to Alexa. The
results were both surprising and interesting.
Yslow will rank websites using 13 different criteria that are known
to affect website performance, such as the number of HTTP request, how
scripts and CSS are handled, etc. The performance grades are A, B, C, D
and F (for fail), with A being the best.. [More]