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Rankings

Which cloud and SaaS providers break the most, from their own posted incidents. How the Down Index scores them.

Providers ranked by uptime over the last 90 days, lowest first. 55 providers with 90 days of history in Data and storage.

Uptime is counted from each provider's own incidents: a major outage counts fully against the components it names, a partial outage 30%, a single-region outage only for its share of regions, and minor issues (one country, site, carrier route or asset) not at all. About has the details.