27 Free SEO Tools to Boost Your Website’s Visibility — A Comprehensive Guide

Search Engine Optimization (SEO) is an essential part of digital marketing. SEO helps to improve the visibility of a website on search engines like Google, Bing, and Yahoo. There are many tools available that can assist with SEO, both paid and free. In this article, we will take a look at 27 free SEO tools that can help to improve your website’s visibility and search engine ranking.

1. Google PageSpeed Insights: Google PageSpeed Insights is a free tool that analyzes the performance of a website and provides recommendations for improvement. It evaluates the speed and user experience of a website on both mobile and desktop devices.
2. Ahrefs Webmaster Tools: Ahrefs Webmaster Tools is a free tool that provides data on a website’s backlinks, organic search traffic, and top organic search keywords. It also allows you to monitor your website’s performance and see how it compares to your competitors.
3. Answer the Public: Answer the Public is a free tool that helps to generate content ideas by providing a list of questions that people are asking about a particular topic. It also provides data on related keywords and prepositions.
4. Google Analytics: Google Analytics is a free tool that provides data on a website’s traffic, user behavior, and conversions. It allows you to track website performance and make data-driven decisions.
5. Google Search Console: Google Search Console is a free tool that provides data on a website’s search performance, including search queries, click-through rates, and crawl errors. It allows you to monitor your website’s visibility and make adjustments as necessary.
6. Ahrefs’ Backlink Checker: Ahrefs’ Backlink Checker is a free tool that provides data on a website’s backlinks, including the number of backlinks, the quality of the links, and the top linking domains. It allows you to monitor your website’s backlink profile and identify opportunities for improvement.
7. Google Ads Keyword Planner: Google Ads Keyword Planner is a free tool that helps to generate keywords for paid search campaigns. It provides data on search volume, competition, and suggested bid.
8. SERPSim: SERPSim is a free tool that simulates the way a website will appear in Google search results. It allows you to see how your title tags and meta descriptions will appear in the search results and make adjustments as necessary.
9. Google Trends: Google Trends is a free tool that provides data on the popularity of keywords over time. It allows you to identify trends and make data-driven decisions about the keywords to target on your website.
10. Ahrefs’ SEO toolbar: Ahrefs’ SEO toolbar is a free browser extension that provides data on a website’s backlinks, organic search traffic, and top organic search keywords. It allows you to quickly access this data while browsing the web.
11. Moz Local Listing Score: Moz Local Listing Score is a free tool that provides data on a business’s online presence across various directories and platforms. It allows you to monitor and improve your online listings to increase visibility and drive more traffic to your website.
12. Yoast SEO: Yoast SEO is a free plugin for WordPress that helps to optimize website content for search engines. It provides suggestions for improving the readability and SEO of your content and allows you to easily edit your meta tags.
13. JSON-LD Schema Generator For SEO: JSON-LD Schema Generator For SEO is a free tool that helps to create structured data for your website. It allows you to add information about your business, such as opening hours and contact information, to improve visibility in search results.
14. Classy Schema Structured Data Viewer: Classy Schema Structured Data Viewer is a free tool that allows you to view the structured data on a website. It helps to ensure that the structured data is implemented correctly and helps to identify any errors.
15. SimilarWeb: SimilarWeb is a free tool that provides data on a website’s traffic, including the number of visitors, bounce rate, and top referring sites. It allows you to monitor your website’s performance and see how it compares to your competitors.
16. SERP Robot: SERP Robot is a free tool that simulates Google search results for a specific keyword. It allows you to see how your website will appear in the search results and make adjustments as necessary.
17. XML Sitemaps: XML Sitemaps is a free tool that helps to generate an XML sitemap for your website. It allows you to easily submit your sitemap to search engines and improve the visibility of your website.
18. Robots.txt Generator: Robots.txt Generator is a free tool that helps to create a robots.txt file for your website. It allows you to specify which pages on your website should be indexed by search engines.
19. Copyscape: Copyscape is a free tool that checks a website for plagiarism. It helps to ensure that the content on your website is original and not duplicated from other sources.
20. Google Alerts: Google Alerts is a free tool that sends notifications when your website or brand is mentioned online. It allows you to monitor your online presence and respond to any negative feedback or reviews.
21. Screaming Frog SEO Log File Analyzer: Screaming Frog SEO Log File Analyzer is a free tool that analyzes log files from your website to provide insights into user behavior and technical issues. It allows you to identify any crawl errors and make improvements to your website’s performance.
22. Exploding Topics: Exploding Topics is a free tool that helps to identify the latest trending topics in your industry. It allows you to stay up-to-date with the latest trends and generate content ideas.
23. The Hreflang Tags Generator Tool: The Hreflang Tags Generator Tool is a free tool that helps to create hreflang tags for your website. It allows you to specify the language and geographical targeting of your website to improve visibility in search results.
24. Keyword Surfer: Keyword Surfer is a free browser extension that provides data on the search volume and CPC for a specific keyword. It allows you to identify the best keywords to target for your website and make data-driven decisions.
25. Google Mobile-Friendly Test: Google Mobile-Friendly Test is a free tool that analyzes a website’s mobile-friendliness. It provides recommendations for improvement and helps to ensure that a website is optimized for mobile devices.
26. Website Authority Checker: Website Authority Checker is a free tool that provides data on a website’s authority, including the number of backlinks and the Domain Authority score. It allows you to monitor your website’s authority and identify opportunities for improvement.
27. Whitespark’s Google Review Link Generator: Whitespark’s Google Review Link Generator is a free tool that helps to generate a link for customers to leave a review on your Google Business listing. It allows you to easily collect and display customer reviews to improve your online reputation.

In conclusion, there are many free SEO tools available that can help to improve your website’s visibility and search engine ranking. From keyword research and backlink analysis to website performance and structured data, these tools can assist with a wide range of SEO tasks. While there are many alternatives available, the above-mentioned tools have been tried and tested and have proven to be effective in their respective areas. As always, it’s important to keep in mind that SEO is a continuous process, so it’s recommended to regularly check on your website’s performance and make adjustments as needed.