SEO tools provide data and alerts about the overall health and success of your website. They help uncover areas of opportunity and identify weaknesses or issues that may prevent you from ranking and earning visibility in the SERPs.
Google Search Console
Google Search Console is a free service offered by Google that helps you monitor, maintain, and troubleshoot your site's presence in Google Search results and SEO services in UK. You don't have to sign up for Search Console to be included in Google Search results, but Search Console helps you understand and improve how Google sees your site
Google Analytics.
Google Analytics is a platform that collects data from your websites and apps to create reports that provide insights into your business.
Screaming Frog
Screaming Frog is one of these tools — it's a web crawler that helps you audit your site and gives you insights on its performance.

Web Developer Toolbar
It allows you to run lines of JavaScript against the page currently loaded in the browser, and reports the errors encountered as the browser tries to execute your code. To access the console in any browser: If the developer tools are already open, click or press the Console tab.