JSFoo 2015

The future of JavaScript

JSFoo is India’s premier JavaScript conference. This year is the fifth edition.

The theme for the 2015 edition is the future of JavaScript.

We are looking for talks and workshops from academics and practitioners who are at the cutting edge of developments in JavaScript.

We want to hear all about:

  • Advances in browser JavaScript
  • JavaScript in hardware
  • Functional JavaScript
  • Cutting edge developments, including original work
  • ES6

Editorial panel

  • Santosh Rajan, founder Geekskool
  • Shwetank Dixit, Extensions Program Manager and Web Evangelist, Opera Software
  • Sindhu S, Recurse Center alumni
  • Zainab Bawa, editorial coordinator, co-founder at HasGeek

Commitment to Open Source

HasGeek believes in open source as the binding force of our community. If you are describing a codebase for developers to work with, we’d like it to be available under a permissive open source license. If your software is commercially licensed or available under a combination of commercial and restrictive open source licenses (such as the various forms of the GPL), please consider picking up a sponsorship. We recognize that there are valid reasons for commercial licensing, but ask that you support us in return for giving you an audience. Your session will be marked on the schedule as a sponsored session.

Workshops

If you are interested in conducting a hands-on session on any of the topics falling under the themes described above, please submit a proposal under the workshops section. We also need you to tell us about your past experience in teaching and/or conducting workshops.

BOF sessions

If you are interested in doing an unconference during the breakout sessions, propose a topic which will be of interest to the community.

Important dates:

Deadline for submitting proposals: 31 July 2015
Conference dates: 18-19 September
Workshops: 15, 16, 17 and 20 September

Hosted by

JSFoo is a forum for discussing UI engineering; fullstack development; web applications engineering, performance, security and design; accessibility; and latest developments in #JavaScript. Follow JSFoo on Twitter more

Nicolas Bevacqua

@bevacqua

High Performance in the Critical Rendering Path

Submitted Jul 30, 2015

This talk covers the past, present and future of web application performance when it comes to delivery optimization. I’ll start by glancing over what you’re already doing – minifying your static assets, bundling them together, and using progressive enhancement techniques. Then I’ll move on to what you should be doing – optimizing TCP network delivery, inlining critical CSS, deferring font loading and CSS so that you don’t block the rendering path, and of course deferring JavaScript. Afterwards we’ll look at the future, and what HTTP 2.0 has in store for us, going full circle and letting us forego hacks of the past like bundling and minification.

Outline

This talk begins by looking at the kind of performance optimizations we’re are already doing, such as bundling and minification, gzip compression, caching, and using progressive enhancement. Then I’ll cover things we should be doing such as measuring performance, setting up a performance budget, using nginx as a reverse proxy, inlining critical CSS while deferring the rest, deferring font loading, using a CDN, experimenting with WebP images, and maybe deferring image loading too.

Last, we’ll take a look at where HTTP is going with HTTP 2.0, and discuss the new multiplexing features that enable HTTP 2.0 to take advantage of a single TCP request, erasing the need for “hacks” such as bundling, spriting, CSS or image inlining, taking HTML back to the way it was originally designed to work, while actually improving performance.

Speaker bio

Nico is an enthusiastic JavaScript consultant, author of JavaScript Application Design, and public speaker. He loves open-source and helps organize a few local events like Beer.js and NodeSchool.

Links

Slides

https://speakerdeck.com/bevacqua/high-performance-in-the-critical-path

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Hosted by

JSFoo is a forum for discussing UI engineering; fullstack development; web applications engineering, performance, security and design; accessibility; and latest developments in #JavaScript. Follow JSFoo on Twitter more