About the conference #
CSS loading optimizations like Critical CSS are often one of the main tools to optimise for the first meaningful paint metric. This directly impacts the user experience as it lets the browser paint pixels on the screen with minimum data possible.
There are multiple parts to this problem such as:
- Detecting what all markup and CSS to load.
- How to lazy load the rest of the stylsheets.
- What strategy to use to evaluate critical CSS.
- How to do this without impacting time to first byte.
This conference is curated by Prateek Bhatnagar, frontend architect at Uber. Previously, Prateek was senior software engineer (frontend), collaborating with NextJS to help push the bar of performance on web using wrapper frameworks.
Speakers from Quintype, Publicis Sapient, Zivame and Miranj will share their experiences with implementing Critical CSS. See the Submissions and Schedule for details.
Key takeaways from this conference #
- Evaluate a variety of options for improving important web vitals.
- Knowledge about tools and frameworks which are providing these optimizations out of the box.
- Awareness about popular techniques around dead code elimination.
Contact information: For inquiries about participating in the conference, post a comment at https://hasgeek.com/jsfoo/css-loading-and-critical-css/comments
For more updates, follow JSFoo on Twitter
Accepting submissions till 03 Sep 2021, 11:00 PM
Not accepting submissions
We are accepting experiential talks and written content on:
- What kind of tech stack/what libraries are allowing Critical CSS inlining as of today?
- What does it take to get a Critical CSS set-up up and running without completely switching any existing CSS tech stacks?
- For devs already doing this - is the Critical CSS inlined on build time or at serve time?
- Subsequently, does the CSS inlining also work for SSR pages? - Given that analyzing the page and the CSS can be a time-consuming operation, are there any performance improvement techniques that you have worked on?
- What is the kind of impact Critical CSS has shown in your project - FCP/LCP/Web Vitals?
- Critical CSS computing techniques/lazy loading techniques and/or tools which provide these out of the box.
- Scale - how large codebases do this on serve time for pages that are SSRed on response time.
Content can be submitted in the form of:
- 15 minute talks
- 30 minute talks
- 1,000 word written articles
Submissions will be peer-reviewed by the curator Prateek Bhatnagar.
Make a submission
Accepting submissions till 03 Sep 2021, 11:00 PM
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Sunil Pai Critical CSS extraction in css-in-js libraries: past, present, futureI made glamor, a popular css-in-js library, in 2016, and pioneered modern critical css extraction techniques for css-in-js libraries. This talk goes into that journey; how it works, how it influenced other libraries and the ecosystem, the implications and benefits of the approach, and finally some ideas on what the future of critical css and static assets might look like. more
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Sourabh Kumar Critical CSS - The What, Why & How?Before getting to the fulfilment of any subject, it is important to understand the requirement that led to its inception. So this talk will dwell on the fundamentals of, more
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Raghavendra Satish Peri Optimizing a WordPress site for better load time & speedOptimizing a website is crucial for better SEO & Sales. But will small businesses & self-hosted blogs will be able to catch-up with this changing technology. Can we adopt some of the requirements without spending a lot of money or learning lot of tech stuff? Optimizing a WordPress site for better load time & speed more
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Prateek Rungta Critical CSS for CMS-based Server Rendered WebsitesA super fast website often involves inlining your critical CSS while lazy loading the non-critical CSS. You understand what that means, but you’ve got a CMS-based website with many templates and hundreds or more (server rendered) pages but no simple switch or plugin to “Turn on Critical CSS”. This talk will show you how to marry Critical CSS with a site like yours to produce webpages that load qu… more
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skant  Webvitals @ zivameHere we discuss how we manage pagespeed score at zivame.com. With page experienc becoming important parameter for search ranking the tech is on its toe to improve it page performance. It has been a challenge industry wide to improve CLS score and make page perform faster. Here we look at things we did inorder to handle this change. more
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Naresh Sharma Critical CSS | Prioritizing critical rendering path | What and how to manageUnderstanding of what critical CSS is, why it is important and how to manage it. This session will cover core web vitals impacted because of render blocking CSS. We will deep dive in the process of finding bottlenecks in performance metrics along with right tooling to measure benefit of critical CSS implementation to improve core web vitals. more
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Amogh Sahasrabhojanee Inlining CSS from react component library to improve web vitalsWe at Quintype have built a react framework which does isomorphic rendering. We also have a component library called Arrow which provides pre-styled customizable react components. For example some rows from here are being used here. more
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