We Love Speed, 1st edition, was held in October 2018 in Bordeaux. Co-organized by Fasterize, the event brought together lovers of web performance & speed.
The talks are all available on video right here. What happened, what to watch and who to listen to? Overview of the different web performance topics.
“How much is 100 ms ?”, Stéphane Rios, CEO of Fasterize [15:17 FR]
Time is money, and obviously the faster a website is, the more revenue it can create. According to Amazon, in 2008, every 100 ms of latency cost them 1% in sales. Still a fact? Is this the case for all different websites? How to know and what methodology use to verify? A full and plain recap about web performance linked to business.
“How to make Web Performance a major challenge for the company?”, Aniss Boumrigua, IT Manager of Rue Du Commerce [24:00 FR]
Evangelise internally, and get IT and marketing to work hand in hand: a dream that can become reality. By making « webperf » a company challenge, bring your teams together with common indicators and projects: optimise the performance of your website to increase efficiency and promote business.
"UX for better performance of your user interface", Stéphanie Walter, UX & UI Designer [41:03 FR]
Web performance is not just about technique. While you may have fully optimised your website for desktop and mobile, your users still complain about slow speed? Go further in performance by also working on perception, but without burdening your budget.
"Fast By Default — rebuilding Algolia’s website", Jonas Badalic, Front End Developer at Algolia [34:13 EN]
In terms of web performance, best practices - even the easiest - are not always observed. Here is a recap of the essentials that will ensure high speed and performance of your website in all circumstances, regardless of device or network status. Avoid the pitfalls and choose the most effective options that work best for you.
“How to measure web performance?”, Jean-Pierre Vincent, Technical Expert [34:22 FR]
Speed Index, First Contentful Paint, Time To Interactive ... Which indicator should we use to evaluate web performance? How to assess what is essential for your website? From technical indicators to visual metrics and Custom Metrics, analyze your performance wisely to make the best decisions.
"Chrome UX Report", Rick Viscomi, Developer Advocate at Google [26:24 EN]
The Chrome UX Report helps collect data from your Chrome-based users to better understand how your website is perceived by those who actually use it. Measuring your webpage is good, but being able to compare with the market is better.
Panel discussion: “Organizing Business for the Web Performance”, Dimitri Baeli, CTO at LesFurets.com, Vincent Robert, CTO at Ouest-France Multimedia, François Boury, Internet CTO at L'Équipe.fr and Aurélien Lajoie, Director of Architecture at Cdiscount [31:30 FR]
How to carry out projects, define budgets and most of all get support internally? A discussion hosted by IT decision makers eager to share their feedback and tips, as well as explanations about the processes and tools used to create a web performance culture within their own companies.
“CSS rendering performance”, Thomas Zilliox, CSS Expert [22:20 FR]
Focus on the tools to realize fluid animations, thanks to clear explanations about the inner working of a navigator and the CSS specifics, amongst others. Despite the issues and constraints, you will see that there are many possibilities for a rendering that combines both user experience and web performance.
“Performance budgets or how to put your website on a diet”, Damien Jubeau, CEO and co-founder of Dareboost [12:40 FR]
Running a marathon with a French cassoulet (dish of beans and meat) in your belly would not be comfortable. It's the same for a website: to ensure its performance, it needs to be light. Here's how to build and manage budgets for your web performance and avoid the heaviness that slows it down.
"User Experience & Performance: Metrics that Matter", Philip Tellis, RUM Distiller at Akamai [35:04 EN]
Evaluation of web performance and user experience mostly refers to static events and elements in the browsing experience ... This being said, websites have become anything but static! How to take into account new uses and new formats, what to measure and how? Welcome to the distillery.
“Optimising the performance by selecting optimal dimensions of RWD images”, Nicolas Hoizey, Senior Consultant and co-founder of Clever Age [18:00 FR]
More about the srcset tag which became essential with the development of responsiveness ... but not always used wisely. Let's see how to get the most out of the standards for responsive images and how to try to automate the detection of optimal image sizes.
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