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Understanding the Importance of 5 Nines Availability

IO River

In 2013, Amazon experienced a brief outage that lasted approximately 30 minutes. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday. Local outages might cause traffic to be routed to non-local Points of Presence (PoPs), considerably decreasing performance and usability.

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Understanding the Importance of 5 Nines Availability

IO River

In 2013, Amazon experienced a brief outage that lasted approximately 30 minutes. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday. Local outages might cause traffic to be routed to non-local Points of Presence (PoPs), considerably decreasing performance and usability.

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The Performance Inequality Gap, 2021

Alex Russell

The cheapest (high volume) Androids perform like 2012/2013 iPhones, respectively. Sadly, data on latency is harder to get, even from Google's perch, so progress there is somewhat more difficult to judge. twitter.com/slightlylate/status/1139684093602349056 455 06:18 AM ยท Feb 28, 2020.

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Front-End Performance Checklist 2021

Smashing Magazine

Defining The Environment Choosing a framework, baseline performance cost, Webpack, dependencies, CDN, front-end architecture, CSR, SSR, CSR + SSR, static rendering, prerendering, PRPL pattern. CrUX generates an overview of performance distributions over time, with traffic collected from Google Chrome users. Large preview ).

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Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

For Mac OS, we can use Network Link Conditioner , for Windows Windows Traffic Shaper , for Linux netem , and for FreeBSD dummynet. Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Lighthouse , a performance auditing tool integrated into DevTools. Large preview ).