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Stoyan Stefanov
Worked at Anaconda Limousine
Attended The street
Lived in Los Angeles
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Stoyan Stefanov

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Stoyan Stefanov

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Perf calendar day #9 with +Malte Ubl 
The AMP Project aims to bring instant rendering to web content. This is an unsorted list of optimizations that apply to all AMP based documents, which in aggregate makes them load fast. Every web page can have these optimizations, but AMP pages cannot not have them.
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Web Perf calendar #2
What is Load Testing? Let us first define load testing as the terminology is rather vague here. The term is used here for everything requiring the application of a multi-user, synthetic load. Many different names may be used for such multi-user testing, such as performance, concurrency, stress, ...
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Day #4
I split my time primarily between working on WebPageTest and making Chrome faster. The two go along with each other really well because on the WebPageTest side of things I look at a LOT of waterfalls of web pages loading and when something looks like it could be done better I can try to find a ...
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Web Performance Calendar Day #6 with +Barbara Bermes 
Web performance matters. Studies have shown that improvements in website performance – such as page load times – can dramatically increase user engagement and profits. However, life's short, and time is money. As web developers, we're paid to get the job done – by clients, bosses and colleagues ...
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Web performance calendar wrap up by +Ariya Hidayat and JavaScript's big picture perf. Happy new 2014! 
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Web performance calendar day #30 with +Billy Hoffman of +Zoompf on third party content
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Day #8 with +Ben Vinegar 
Over the past year, I've given a talk at a few conferences called “Re-evaluating Performance Best Practices”. In it, I basically share some interesting research results made by people far more smarter than me. Topics like: why domain sharding isn't as important anymore, why script injected ...
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Web Perf calendar kick off (Day #1)
If you are building a website today there's a good chance that you rely on 3rd party libraries to provide you with extra functionality. Tracking scripts, A/B testing and adverts are just a few of the many reasons why you would want to use a 3rd party library. The problem is that if the library ...
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Day #3 with +Patrick Meenan 
Bundling JavaScript files. The traditional advice for web developers is to bundle the JavaScript files used by their webpages into one or (at most) a few “packages.” Multiple tools have been developed to do this, such as Browserify and Webpack. They tend to work like this: for a given HTML page, ...
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Web Performance Calendar Day #5
The same way website designers specify screen-width based breakpoints, TCP data transfer also works in step functions, whereby the amount of data that can be fetched per unit of time is rarely linear. An understanding of these download breakpoints allows us to maximize the asset sizes for a ...
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The cover for my new book is ready :)
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