Top Web Performance Testing Articles


Apica´s Web Performance Blog is your source for tips, trends and tools for optimizing your web performance. Track current web performance metrics and benchmarks and new technology in web performance testing.

Is Twitter down?

Apica’s checks* confirm that Twitter.com experienced an outage beginning at 11:23 a.m. EDT. It remained completely down until 12:04 p.m., recovered briefly, and then became unavailable again at approximately 12:15 p.m. At 12:58 p.m. Twitter started delivering server-side error codes — or a “Twitter is currently down” message to some users. Twitter doesn’t appear to be completely […] Continue reading

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How much have cloud failures cost us?

Last week, the International Working Group on Cloud Computing Resiliency (IWGCR) released a study that calculated the impact of cloud outages on the economy. The research, which tracked downtime in the market since 2007, had some startling results: In the past five years, we’ve seen 568 hours of downtime at 13 well-known cloud services, which […] Continue reading

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Facebook suffers website outage

Facebook demonstrated last night that even the biggest websites aren’t immune to performance issues now and then. According to our performance monitoring (and by many of the 900 million Facebook users), Facebook (NASDAQ: FB) began experiencing high response times and sporadic unavailability Thursday night and continuing into Friday morning. Checks at 5:28 p.m. PST, 5:33 […] Continue reading

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