There are, of course, many other excellent tools that are not mentioned in this article, but the SEO market is so huge it is almost impossible to list them all

Google Search Console

Google Search Console (GSC), formerly known as Google Webmaster Tools, is a free tool for monitoring how your website performs in Google Search. 

You can use it to:

Verify indexing levels

Check how many clicks each page or keyword generates 

Verify Core Web Vital results

Check if your website suffers from manual penalties 

Check how Google crawls your website

Verify if the website is mobile-friendly

And much, much more. 

✅ Free

✅ Easy to set up and learn

✅ Gives you all critical information about performance in Google Search

2. Chrome DevTools

DevTools is a feature of Google Chrome browser. This multi-level tool allows you to test your website's technical areas thoroughly, and you can even perform a full web performance review with it.

Some of the most popular features of DevTools (in terms of technical SEO auditing) are:

Inspecting the DOM (Elements tab) to see how the rendered code looks

Debugging (Console tab) to run some JS scripts on the page

Verification of used files and Critical Rendering Path (Sources and Network tabs) to see what resources are loaded and where

✅ Free

✅ Allows for an advanced analysis

✅ Your developers likely use it too, so you can reference DevTools in your audit without too much explaining

3. PageSpeed Insights

The Lighthouse engine is used by Page Speed Insights (PSI) to evaluate the functionality of your website. 

In this instance, you can test by visiting the PSI homepage, pasting the URL, and using browser features or the command line. 

And that's it!

You ought to receive a thorough report on the functionality of your website in a matter of seconds.

You can test both the desktop and mobile versions. However, don't forget about your desktop users, even though the mobile-first index may still be active.

✅ Free

✅ Has Lighthouse features and real user data from CrUX

✅ Simple to set up – you can run tests online

Weft Technologies is a leading SEO company based in India, specializing in boosting online visibility and driving organic growth for businesses. With a team of seasoned SEO professionals, Weft Technologies offers a comprehensive suite of services including keyword research, on-page optimization, technical SEO, content marketing, and local SEO. Renowned for their client-centric approach and proven track record, Weft Technologies helps businesses achieve top rankings on search engines, enhance their online presence, and reach their digital marketing goals effectively.