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Uptime for the 20 most popular websites

According to Alexa.com, these 20 websites are the most popular in the United States. Popular means a lot of visitors. A lot of visitors means a lot of strain on web servers and bandwidth.

How are they performing in the face of this onslaught of visitors?

This is the answer, at least so far in November. The sites below link to their Pingdom GIGRIB uptime report pages.

Uptime in November for the Alexa top 20 websites

    Site		Uptime, Downtime
1   yahoo.com		100%, -
2   google.com		100%, -
3   myspace.com		99.92%, 14m
4   msn.com		99.32%, 2h 3m
5   ebay.com		100%, -
6   amazon.com		100%, -	
7   youtube.com		99.65%, 1h 5m
8   craigslist.org	99.9%, 18m
9   wikipedia.org	99.96%, 7m
10  cnn.com		100%, -
11  go.com		100%, -
12  facebook.com	99.98%, 4m
13  live.com		99.94%, 10m
14  blogger.com		99.88%, 22m
15  aol.com		100%, -
16  microsoft.com	99.97%, 4m
17  comcast.net		99.99%, 2m
18  imdb.com		100%, -
19  nytimes.com		99.99%, 1m
20  flickr.com		100%, -

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  1. [...] In comparison, some of the better-known Internet brands had a little or no downtime – MSN was down for just over two hours, You Tube was around 65 minutes, while Google, Amazon, Yahoo and eBay were up a 100% of the time. Since Pingdom’s Gigrib software runs only on Windows platform, one cannot really assume completeness of its data. However, other sources that are also reporting on Alexa outages, so it is safe to say the downtimes were fairly substantial. [...]

  2. [...] In comparison6, some of the better-known Internet brands had a little or no downtime – MSN was down for just over two hours, You Tube was around 65 minutes, while Google, Amazon, Yahoo and eBay were up a 100% of the time. Since Pingdom’s Gigrib software runs only on Windows platform, one cannot really assume completeness of its data. However, other sources7 that are also reporting on Alexa outages, so it is safe to say the downtimes were fairly substantial. [...]

  3. [...] Check out the interesting stat of the Uptime for the 20 most popular websites in US [...]