Resource Timing APIFind out how long it takes to load a specific resource, such as an XMLHttpRequest, SVG, image, or script.#javascript#apis#performance·developer.mozilla.org·Dec 5, 2020Resource Timing API
Network Information APIFind out what kind of internet connection your website visitor is using - celluar, wifi, etc. This can be used to select high definition content or low definition content based on the user's connection.#javascript#apis#performance·developer.mozilla.org·Dec 5, 2020Network Information API
Navigation Timing APIThe Navigation Timing API provides data that can be used to measure the performance of a web site, including how quickly or slowly something loads.#javascript#apis#performance·developer.mozilla.org·Dec 5, 2020Navigation Timing API
Long Tasks APIFind out what tasks on your page, including style changes or events in your JavaScript, take 50 milliseconds or more.#javascript#apis#performance·developer.mozilla.org·Dec 5, 2020Long Tasks API