Google provides diverse free resources for understanding search engine optimization.

Google provides the best free SEO tools. Google Webmasters helps you find issues with your website and offers guides and courses to help you understand SEO. Google Analytics offers in-depth data on what is driving visitors to your website. Google's Autocomplete will help you find related keywords based on search volume.

Bing Webmaster Tools are just as useful as Google's tools. Like Google, there is a Mobile Friendliness Test Tool, a Keyword Research Tool and Markup Validator. Bing has 20 percent of the search traffic.

Small SEO tools offers a variety of free tools, including a keyword suggestion tool and a keyword competition tool. They also have tools to help you write, such as a plagiarism checker and a spell checker. Most free SEO tools turned into paid versions with a free trial; Small SEO Tools is one of the few truly free tools left. They have an article rewrite tool which you probably should not use as spun articles typically don't read well.

If you want website traffic, you need to know which phrases people are typing in search engines to find sites like yours. Keywordtool.io is also free. It uses Google Autocomplete, however, it speeds the process up. You can find more than 750 keyword suggestions in just a few seconds.

If you're just starting out, Google's tools are usually sufficient because you can learn more about SEO as you optimize your site. If you're optimizing multiple websites, SEO can become repetitive so having a tool to do much of the work so you can focus on important tasks, such as content creation.

There are people who say SEO tools are unnecessary unless you work for an SEO agency. SEO tools can help, but the best thing you can do is create content will your audience will love.  For more information click here https://www.reddit.com/r/SEO/comments/cfsoz8/whichisbestfreeseo_tool/.