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How Google PageSpeed Works: Improve Your Score and Search Engine Ranking

CSS - Tricks

Cache-Headers missing? These heuristics were coupled with a set of guidelines that would likely result in better performance, if followed, but were merely superficial and didn’t actually analyze the load and render experience that real visitors face. How Lighthouse calculates the Performance Score. In-depth manual profiling.

Google 71
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SQL Server I/O Basics Chapter #1

SQL Server According to Bob

Stable media is commonly physical disk storage, but other devices and certain caching facilities qualify as well. Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. This cache is often supported by a battery-powered backup facility.

Servers 40
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Compiler bug? Linker bug? Windows Kernel bug.

Randon ASCII

In this particular investigation, which spanned twenty months, we suspected hardware failure, compiler bugs, linker bugs, and other possibilities. Jumping too quickly to blaming hardware or build tools is a classic mistake, but in this case the mistake was that we weren’t thinking big enough. Or did we just get lucky or oblivious?

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Application Scalability — How To Do Efficient Scaling

DZone

It’s not just a simple tweak you can turn on/off; it’s a long-time process that touches almost every single item in your stack, including both hardware and software sides of the system. Application scalability is the potential of an application to grow in time, being able to efficiently handle more and more requests per minute (RPM).

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Hierarchical Navigation and Faceted Search on Top of Oracle Coherence

Highly Scalable

The rationale behind these methods is that frontend should be able to fetch transient information very efficiently and separately from fetching of heavy-weight domain entities because this information cannot be cached. So, the only way was to cache all necessary data to minimize interaction with RDBMS.

Ecommerce 100
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Why speed test results are different than your load times

MachMetrics

It’s one of the most common (and frustrating) scenarios in web performance testing. We wanted to have control of the hardware that runs our tests and deliver consistent results. That’s why when you run a test with our service, your test is run on a real computer using a real browser.

Speed 62
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Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? CPU and compute performance of top-selling phones (Image credit: Addy Osmani ) ( Large preview ).