The best SEO tools are also free. There are many free or trial versions available. You can test each tool before purchasing it. These SEO tools are great for determining which keywords are the best for your website and which ones need improving. You can use the score to narrow down your options for other tools. For example, if your site has a high competition score, you might consider using a tool that ranks your site based on that score.   The Semrush SEO Tool offers a host of features to improve your website's organic search engine rankings. You can filter your keywords by a range of criteria, including paid search positions, ad history, and traffic volume. The program will also let you know what domains are linking to your website and which types of visitors they are. Using the tool can help you identify how your rivals are achieving the top positions in the SERPs.   Ahrefs is another SEO tool that will help you analyze your competitors. This tool is a comprehensive SEO tool that provides high-quality data and analytics for any website. Its advanced keyword analysis feature is ideal for monitoring large numbers of keywords. The tool is free for a trial period of seven days. After that, you will need to pay for a paid subscription for this. The best SEO tools are those that will help you in your SEO strategy.   The Moz SEO Tool has many benefits, but it is particularly useful for website owners. It can analyze the keywords and anchor text that are use on your website, and provide detailed reports of your competition. It can even help you monitor your competitors, showing you that pages are getting more traffic and page rank, so you can optimize your site accordingly. With the help of this tool, you can find out which keywords and anchor text are getting the most clicks on your website.   Serpstat is a great all-in-one SEO tool for tracking search volume and keyword ideas. This tool also provides other SEO metrics like backlink analysis and competitor research. It is also a very useful tool for content marketing ideation. There are four paid versions, and each one offers a slightly different set of tools. The basic version is free; the paid version includes a lot more, including email notifications and alerts.   Linkody is a fantastic tool for tracking backlinks and analyzing the performance of your competitors. It checks your backlinks 24 hours a day, and will inform you if any of them are broken. It also offers an easy way to spy on your competition's backlinks and identify their weak spots. A free version of the tool allows you to check the site without a score. A free version is available for a limited time.   The keyword research tool is an essential part of any SEO strategy. It allows you to find keywords and phrases that are relate to your website. By using this tool, you can analyze the competition and determine the best keywords to target. It can also help you choose the right keywords for your site. You can also choose to pay a monthly plan for more advanced options. Ultimately, it depends on your needs and your budget. You will find that the best SEO tools are the ones that will work best for you.