##About JSFoo
JSFoo is India’s premier JavaScript conference. We launched JSFoo in 2011 as India’s first JavaScript conference. The JS community in India has grown phenomenally since. JavaScript now pervades every aspect of web development – browsers, apps, front-end, backend, mobile, and IoT.
##JSFoo 2016: Theme
Over the last few years, JavaScript has evolved to become the centerpiece of a complex web stack. Today, it is a prime subject of the obsession that lies with performance and speed. How can you get pages to load faster? How do you work with browser constraints to enhance speed? How do you measure performance? What actually is performance? In what ways do faster response times influence your architecture choices and plans? How is this new focus on faster page loads and apps working offline influencing the development of front-ends and backends as well as server side JS?
The theme for the 2016 edition is tackling speed and performance for JavaScript.
We are inviting full talks (40 mins), crisp talks (15 mins + 5 mins Q&A), and 3-6 hour long (hands-on) workshops from practitioners on the overall theme of speed and performance, including the following topics:
- Architecting for performance – case studies on how you got faster response times
- Best practices: debugging and profiling on the web, measuring performance
- Handling large volumes of data in the browser
- Building and deploying web apps eg webpack, travis
- Modern web technology: Angular 2, React
- Universal JavaScript: meteor js
- Progressive Web Apps
- JS off the web – raspberry pi, IoT
- The cutting edge: elm
This year, JSFoo will feature two days of talks on JavaScript (15-16 September) and a single day of talks on design (17 September) at Meta Refresh (call for proposals will open shortly).
Guidelines for submission #
Every proposal MUST be accompanied by:
- A three minute preview video where the proposer gives an elevator pitch about the talk.
- Detailed outline of the talk – either in the form of draft slides, mind map and/or textual description.
- If you are proposing to speak on a topic where the code is not open-sourced yet, the editorial panel will consider your proposal only if the code is made open-source at least three weeks before the conference.
Without the above information, your proposal will not be considered for review.
If you are submitting a Workshop Proposal, you must clearly state:
- Background knowledge that participants must possess in order to attend your workshop.
- Details and links to software / packages which participants must install before coming to the workshop.
- Laptop configuration.
- Links to background reading material and GitHub repos.
- Duration of the workshop.
- Maximum number of participants who can attend your workshop.
- Instructor’s past experience with conducting workshops.
There is only one speaker per session. Workshops can have two or more instructors.
Entry is free for selected speakers.
Due to budgetary constraints, we prefer speakers closer to home. But if we think you stand out, we’ll provide a grant to cover part of your travel and accommodation to Bangalore. Grants are limited and are made available to speakers delivering full sessions (40 minutes or longer) only.
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 for it to be available under a permissive open source licence. If your software is commercially licensed or available under a combination of commercial and restrictive open source licences (such as the various forms of the GPL), please consider picking up a sponsorship. We recognise 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.
Important dates: #
Deadline for submitting proposals: 29 August 2015
Conference dates: 15-16 September
##Venue
JSFoo will be held at the MLR Convention Centre, J P Nagar.
##Contact
For more information about speaking proposals, tickets and sponsorships, contact info@hasgeek.com or call +91-7676332020.
RY
Rahul Yadav
@dxtr02
Building fast and performant apps
Submitted Aug 15, 2016
Section:
Full talk
Technical level:
Intermediate
Css and JS are the two main blocking elements when it comes to critical rendering path. Today’s modern apps are mostly on React or other SPA’s frameworks which make it difficult to maintain the asset loading pipeline and track the page load metrics.
The talk would be cover different ways of improving the first paint time, removing parse blocking JS from the page maintaining multiple JS on the pages and execution order, the pre-connect, pre-fetch meta tags for managing assets and connections, and chunking of the response from the server for the faster download.
The talk introduces PWA@Housing.com and how caching strategies and service workers help improve the page speed and better UX helps improve the percieved speed. The talk is inpired by the efforts that went into revamping Housing.com’s mobile website and making it stand at best in almost all known metrics possible.
Outline #
Summary:
- Critical Rendering Path
- Loading multiple JS
- Async false the saviour to script loading
- Prebrowsing tags
- Chunking response from server
- Percieved Speed
Requirements #
Basics of Critical Rendering Path and Asset Loading in SPAs.
Speaker bio #
I’m front end developer at Housing.com, working on multiple single page applications frameworks such as React and Backbone, and Node.js for last 3 years. We here at Housing, have been working on making our apps at par with PWA standards, and making them as performant as possible through both better UX and better performance.
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