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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? Given that 66% of all websites (and 77% of all requests ) are running HTTP/2, I will not discuss concatenation strategies for HTTP/1.1 Cache This is the easy one. What is the availability, configurability, and efficacy of each? ?️

Cache 338
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Cache Grab: How Much Are You Leaving on the Table?

CSS Wizardry

For the longest time now, I have been obsessed with caching. I think every developer of any discipline would agree that caching is important, but I do tend to find that, particularly with web developers, gaps in knowledge leave a lot of opportunities for optimisation on the table. Want to know everything (and more) about HTTP cache?

Cache 225
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Critical CSS? Not So Fast!

CSS Wizardry

Honestly, in this scenario, my advice is almost always: don’t bother trying to retrofit Critical CSS—just hash-n-cache 1 2 the living daylights out of your existing CSS bundles until you replatform and do it differently next time. But the exact same principles carry through to real websites—your websites. How do we automate it?

Media 356
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Elasticsearch Indexing Strategy in Asset Management Platform (AMP)

The Netflix TechBlog

It provides simple APIs for creating indices, indexing or searching documents, which makes it easy to integrate. Mapping is used to define how documents and their fields are supposed to be stored and indexed. You can find more information on settings and mappings on Elasticsearch website. Net, Ruby, Perl etc.).

Strategy 266
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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. Plus, they’ve created some more transparency about this, both in documentation and tooling. All those navigations can benefit from the Back/Forward Cache to instantly restore the page. Barry Pollard.

Cache 93
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Don’t Sink Your Website With Third Parties

Smashing Magazine

Don’t Sink Your Website With Third Parties. Don’t Sink Your Website With Third Parties. You’ve spent months putting together a great website design, crowd-pleasing content, and a business plan to bring it all together. Your website may be using more third-party services than you realize. Ken Harker.

Website 133
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What is session replay? Discover user pain points with session recordings

Dynatrace

Session replay is an IT technology that creates anonymized video-like recordings of actions taken by users interacting with your website or mobile application. In practice, session recording solutions make use of the document object model (DOM), which is a programming interface for web pages and document. What is session replay?

Mobile 255