"C’est Amazon qui mène assez nettement les débats en étant la seule enseigne du panel à obtenir un Speed Index inférieur à 2 secondes (1895ms), suivi par Cdiscount (2375ms) et Booking.com (2599ms). À l’autre bout du classement, les 5 dernières enseignes (Castorama, Airbnb, Voyages-sncf, Carrefour et E.Leclerc) dépassent quant à elles les 6 secondes et E.Leclerc ferme la marche au-delà des 11 secondes… Soit une page plus de cinq fois plus lente à l’affichage qu’Amazon."
"The report is a public dataset of key user experience metrics for top origins on the web. All performance data included in the report is from real-world conditions, aggregated from Chrome users who have opted-in to syncing their browsing history and have usage statistic reporting enabled."
Lightweight JavaScript library for accurate web loading progress.
"We created Let’s Encrypt in order to make getting and managing TLS certificates as simple as possible. For Let’s Encrypt subscribers, this usually means obtaining an ACME client and executing some simple commands. Ultimately though, we’d like for most Let’s Encrypt subscribers to have ACME clients built in to their server software so that obtaining an additional piece of software is not necessary. The less work people have to do to deploy HTTPS the better!"
Akamai Edge: Tracking the Performance of the Web with HTTP Archive
"The paint timing API enables website creators to track and monitor the important metrics which affects perceived performance. Consider that 53% of users will abandon a site if it takes longer than 3 seconds to load (source). Being able to keep your paint times low is likely to keep your users happy and improve the perceived performance of your site."
