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The Three Cs: Concatenate, Compress, Cache

CSS Wizardry

Caching them at the other end: How long should we cache files on a user’s device? As of 2022 , roughly: 28% of compressible responses were Brotli encoded; 46% were Gzipped; 25% were, worryingly, not compressed at all. Cache This is the easy one. What is the availability, configurability, and efficacy of each? ?️

Cache 348
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Performance Game Changer: Browser Back/Forward Cache

Smashing Magazine

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. 2022-05-09T10:30:00+00:00. 2022-05-09T17:34:14+00:00. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Barry Pollard.

Cache 106
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New Bit Manipulation Functions in SQL Server 2022

SQL Performance

Examples include the following: The set_options and required_cursor_options cached plan attributes, which you obtain using the sys.dm_exec_plan_attributes DMF. Prior to SQL Server 2022, T-SQL had minimal support for bit manipulation. Instead, starting with SQL Server 2022 you simply use the SET_BIT function. Counting Bits.

Servers 122
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USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon

Brendan Gregg

It was a great privilege. ## SREcon 2023 CFP Tech moves fast, however, and I have little time to reflect on 2022 when there's 2023 to plan! And now, helping bring USENIX conferences to Australia by giving the first keynote: I could not have scripted or expected it. The call for participation ends on March 2nd 23:59 SGT!

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Pushy to the Limit: Evolving Netflix’s WebSocket proxy for the future

The Netflix TechBlog

To support this growth, we’ve revisited Pushy’s past assumptions and design decisions with an eye towards both Pushy’s future role and future stability. We built the majority of this functionality in October 2022, and we’ve only needed small tweaks since then. This generalization paid off in terms of investment and operational support.

Latency 234
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7 Fresh Links on Performance For March 2022

CSS - Tricks

The new WebPageTest website design. Unveiling the new WebPageTest UI — I absolutely love seeing WebPageTest’s design evolve and improve. It’s one of those products that’s clearly a best-in-class tool for performance practitioners, yet had a prettttty gnarly design for a lot of years. This is way better.

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The Ultimate Low-Quality Image Placeholder Technique

CSS Wizardry

The median image-weight per page landed at 881KB in 2022 , which is more than HTML, CSS, JS, and fonts combined! There’s some subtle complexity designed to prevent people gaming the system, which is exactly what we’re trying to do. View full size) And from a cold cache, over train wifi as I was writing this post, I got a 2.1s

Games 329