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Fostering a Web Performance Culture

Jos

At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more … Why Performance doesn’t get Prioritized Web performance at organizations is a real challenge. In fact, Stockholm was the first city in installing 4G back in 2009.

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Fostering a Web Performance Culture

Jos

At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more …. Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London. Ideally, shoot for 30% speed improvements.

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Load scripts async

Speed Curve

Because the HTML parser stopped, all network traffic also stopped (because no other HTML tags were parsed to initiate HTTP requests). IE8 was the first browser to have a preloader in 2009. What we see is that the HTML parser stops when it encounters a SCRIPT tag until that script is downloaded, parsed, and executed.

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Top Redis Use Cases by Core Data Structure Types

Scalegrid

Redis , short for Remote Dictionary Server, is a BSD-licensed, open-source in-memory key-value data structure store written in C language by Salvatore Sanfillipo and was first released on May 10, 2009. Depending on how it is configured, Redis can act like a database, a cache or a message broker. Redis Strings Use Cases.

Cache 232
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Performance Mythbusters

Tim Kadlec

In 2009 at Velocity–the annual performance optimization conference–there was a flurry of information released by companies that clearly demonstrated how performance effects key business objectives. Shopzilla presented information detailing how they were able to speed up their site from 4-6 seconds to 1.5 21% less searches.

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The Surprising Effectiveness of Non-Overlapping, Sensitivity-Based Performance Models

John McCalpin

The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and system design at SGI (1996-1999), IBM (1999-2005), and AMD (2006-2008), but more recently in support of system procurements at The Texas Advanced Computing Center (TACC) (2009-present).

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Solaris to Linux Migration 2017

Brendan Gregg

I wrote an ftrace toolkit, [perf-tools], and the article [Ftrace: the hidden light switch]. - **perf**: since 2009, this started as a PMC profiler but can do tracing now as well, usually in a dump-and-post-process style. It's fast, but limited in places, and usually only suited as a single-user tool (there are workarounds).