Найти утилиту/расширение для анализа производительности сайта?
Пользуюсь этим
https://developers.google.com/speed/pagespeed/insi...
https://www.checkbot.io/
Что может?✓ SEO TESTS: Broken links, missing or long page titles/descriptions/H1s, duplicate content, invalid HTML/CSS/JavaScript, canonical URLs, image ALT tags, robots.txt, mobile scaling, 404 pages, temporary redirects, sitemap setup & URL names.

✓ PAGE SPEED TESTS: Minification, compression, caching, render blocking or duplicate CSS/JavaScript, redirecting URLs & redirect chains.

✓ WEB SECURITY TESTS: Security headers, HTTPS, HSTS, mixed content & insecure password forms.