gmetais

FROM ubuntu:18.04

LABEL author="support@speedcurve.com"

# Default versions for Chrome Stable and Lighthouse
#
# Can be overidden at build time e.g. docker build --build-arg LIGHTHOUSE_VERSION=8.5.1
#
# Stable Chrome versions https://www.ubuntuupdates.org/package/google_chrome/stable/main/base/google-chrome-stable
#

gmetais

// 1. Open Chrome's console
// 2. Activate the option "Preserve log"
// 3. Copy-paste this script
// 4. Interact with the page (clicks, keyhits...)
// 5. Refresh the page or switch tab twice, the console will then log the INP culprits > 40ms.
var s=document.createElement('script');s.src='//unpkg.com/web-vitals@next/dist/web-vitals.iife.js';s.onload=()=>{webVitals.onINP(console.log)};document.head.appendChild(s)

gmetais

/* Simply copy and paste in the browser's console */

function weightToNumber(str) {
    if (str === 'normal') {
        return 400;
    }
    if (str === 'bold') {
        return 700;
    }
    return parseInt(str, 10);

gmetais

This list was moved to https://letstalkaboutwebperf.com/en/gzip-brotli-server-config/

gmetais

/**
 * Copy this function in the browser console then start using.
 * 
 * Example:
 * 
 * findMultipleCssProperties([['font-family', 'Roboto'], ['font-weight', 'normal', true], ['font-style', 'italic', true]])
 *  --> the last parameter (true) means the value should be found exactly, otherwise any string that contains the value is marked as ok
 * 
 */

gmetais

if (window.addEventListener) {
    window.addEventListener("load", AIALoadEvent);
} else {
    window.attachEvent("onload", AIALoadEvent);
}

function AIALoadEvent() {
    if (self == top) {
        setTimeout(AIADisplayADV, 2000);
    }

gmetais

/**
 * Copy this function in the browser console then start using.
 * 
 * Examples:
 * 
 * findCssProperty('background-image')
 *  --> log into the console all the background-images used
 * 
 * findCssProperty('font-family', 'Roboto')
 *  --> log into the console all elements that have a background that contains the string "Roboto"