These are the 20 most popular websites in the United States, according to Alexa. In other words, they have tons of visitor traffic. How are they holding up under that pressure? Here you can see the downtime so far in 2007 for each of these 20 websites, as measured by GIGRIB.Each site below links to its GIGRIB report page where you can examine their uptime and downtime more closely.

    Site  Downtime
1 0m
2 7m
3 1h 0m
4 2h 45m
5 6m
6 4h 44m
7 25m
8 2h 23m
9 1h 9m
10 1h 48m
11 21m
12 4h 47m
13 8m
14 3m
15 13m
16 22m
17 3m
18 29m
19 30m
20 1h 23m