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Releasing a website is a stressful and important moment, and you want to make sure everything is ready. Opquast is a French organization, and they defined a list of best practices for web development. Lighthouse is an audit tool, but double-checking that you have activated GZip or Brotli text compression on your web server will not hurt. Alexa is also doing the most famous website traffic ranking, so getting their advice will never hurt you. Google AMP requires some work to put in place, but it will improve your SEO on mobile browsers.