Conférences de We Love Speed 2019, le 20 septembre
Time Exploration AuditoriumDeep-Dive Auditorium
09:00 Attendees’ welcome
09:25 Conference Opening

Browser 101: how the browser loads a page

in French by Estelle Weyl
25 minutes + questionsExploration Auditorium

To understand Web Performance, developers must first understand how a browser works. Let’s discuss what happens when a user requests…

Why does frontend performance matter?

by Matt Hobbs
25 minutes + questionsDeep-Dive Auditorium

A talk giving my opinion on why frontend performance matters and it’s huge impact on users from the perspective of…

10:05 Change of room

How to link performance and ecology?

in French by Romuald Priol
45 minutes + questionsExploration Auditorium

The Web must be fast, optimized and efficient. But achieving a high-performance website is not easy when you consider the…

Responsible JavaScript

by Jeremy Wagner
45 minutes + questionsDeep-Dive Auditorium

While the performance of JavaScript engines in browsers have seen continued improvement, the amount of JavaScript we serve increases unabated….

11:05 Coffee Break
11:30 Conferences resume

How PagesJaunes climb into the top 10 of the webperf ranking in France

in French by Loïc Troquet
25 minutes + questionsExploration Auditorium

This feedback chronologically retraces all the work done by my team over the past year to improve the webperf on…

Image at scale

in French by Anthony Barré
25 minutes + questionsDeep-Dive Auditorium

Compressing an image is already difficult, and doing it on large volumes and at a lower cost is a real…

12:10 Change of room

Keeping Wikipedia Fast

by Peter Hedenskog
45 minutes + questionsExploration Auditorium

The performance team at the Wikimedia Foundation is responsible for measuring the performance of Wikipedia. That is easy right? Setup…

How to make sense of real user metrics

in French by Gilles Dubuc
45 minutes + questionsDeep-Dive Auditorium

Thanks to client-side APIs like NavigationTiming, we can collect a lot of information about the real performance experienced by users….

13:10 Launch Break (90 min)
14:40 Conferences resume

HTTP/3: it’s a transport issue!

in French by Benoit Jacquemont
35 minutes + questionsExploration Auditorium

HTTP or Hyper Text Transfer Protocol is the Web protocol. The announcement of HTTP/3 in early November 2018 surprised many…

Chaperones and curfews: minimising 3rd party impact

by Ryan Townsend
45 minutes + questionsDeep-Dive Auditorium

Every year websites get heavier – but the majority of growth isn’t coming from code written at the organisations running…

⚠️ NO change of room between the talks

Feedback on 4 years of XP using a Synthetic Monitoring tool at SeLoger

in French by Antonio Gomes Rodrigues
35 minutes + questionsExploration Auditorium

A few years ago, SeLoger invested heavily in the application performance of its websites. This resulted in jobs creation, the…

Progressive Web App & Performance

in French by Raphaël Dardeau
25 minutes + questionsDeep-Dive Auditorium

2 years ago, L’Équipe was one of the first in France to launch a Progressive Web App for its mobile…

16:15 Coffee Break
16:40 Conferences resume

Webperf optimization project: what are we getting into?

in French by Quentin Mathieu, Mathilde Lassort
25 minutes + questionsExploration Auditorium

Do you want to launch or are you in the process of launching a Web Performance optimization project? Let’s discuss…

Honey, I Shrunk the JS Bundles

in French by Antoine Kahn-Dubois
25 minutes + questionsDeep-Dive Auditorium

Working on a web applications for the advisors of a large bank, we faced performance problems caused by the large…

17:20 Change of room

Reduce the weight of a mail client UI via CSS / SVG

in French by Nicolas Hoffmann
25 minutes + questionsExploration Auditorium

I’m currently working on the v4 of ProtonMail. The present version is not always easy to operate: the technical debt…

UX vs DX

by Estelle Weyl
25 minutes + questionsDeep-Dive Auditorium

Fast to code. Fast to show. It doesn’t have to be an either/or situation. All sites should be fast to…

18:00 Let’s meet in the Exploration Auditorium
18:05 We Love Speed 2019 Ending
18:20 That’s all folks!