This is Google's web.dev/measure tool, essentially PageSpeed Insights. It provides performance metrics and improvement suggestions for web pages. I use it to quickly gauge site health and identify critical optimization areas.
This free domain rank checker helps identify organic keywords driving traffic to a site and tracks ranking changes. It's useful for quick competitive analysis and keeping an eye on your own SERP performance.
This free backlink checker lets me quickly see what backlinks my site has. It's also useful for analyzing competitor backlink profiles and identifying link opportunities.