Search Engine Optimization (SEO) is an essential aspect of any digital marketing strategy, as it helps websites to rank higher on search engine results pages (SERPs) and drive more organic traffic. There are many SEO tools available on the market, both free and paid, that can help website owners and digital marketers to optimize their websites and improve their rankings on search engines.
In this article, we will explore 25 of the best free SEO tools available that can help you improve your website’s visibility and ranking on search engines.

Google Analytics
Google Analytics is a free web analytics tool that allows you to track your website’s traffic and user behavior. It provides valuable insights into your website’s performance, including the number of visitors, bounce rate, time on site, and more.
Google Search Console
Google Search Console, which is a free tool offered by Google, enables you to keep track of your website’s performance on search engines. It provides valuable data on your website’s indexing, search queries, and backlinks.
Bing Webmaster Tools
Bing Webmaster Tools is a complementary tool offered by Bing that enables you to track and analyze your website’s performance on the Bing search engine. It provides valuable data on your website’s indexing, search queries, and backlinks.
Ahrefs Backlink Checker
Ahrefs Backlink Checker is a free tool that allows you to check your website’s backlinks. It provides valuable data on the number of backlinks, referring domains, and more.
MozBar
MozBar is a free browser extension that provides valuable SEO metrics while you browse the web. It includes metrics such as domain authority, page authority, and more.
Yoast SEO
Yoast SEO is a free WordPress plugin that helps you optimize your website’s content for SEO. It provides valuable recommendations on your content’s readability, keyword density, and more.
SEMrush
SEMrush is a popular SEO tool that provides valuable data on your website’s performance, including keyword research, backlink analysis, and more. It provides both free and premium options for users to choose from.
Screaming Frog SEO Spider
Screaming Frog SEO Spider is a free tool that crawls your website and provides valuable data on its on-page optimization, including title tags, meta descriptions, and more.
GTmetrix
GTmetrix is a free tool that measures your website’s loading speed and provides valuable insights on how to improve it.
Google PageSpeed Insights
Google PageSpeed Insights is a free tool that measures your website’s loading speed and provides valuable recommendations on how to improve it.
Varvy SEO Tool
Varvy SEO Tool is a free tool that provides valuable insights on your website’s on-page optimization, including meta tags, content, and more.
Ubersuggest
Ubersuggest is a free keyword research tool that provides valuable data on search volume, keyword difficulty, and more.
Keyword Tool
Keyword Tool is a free keyword research tool that provides valuable data on long-tail keywords related to your business.
Google Trends
Google Trends is a free tool that provides valuable data on search trends related to your business.
Answer the Public
Answer the Public is a free tool that provides valuable data on the questions that people ask related to your business.
Google Keyword Planner
Google Keyword Planner is a free tool that provides valuable data on search volume, keyword difficulty, and more.
SERP Simulator
SERP Simulator is a free tool that simulates how your website’s title tags and meta descriptions will appear on search engine results pages.
Google Analytics URL Builder
Google Analytics URL Builder is a free tool that helps you track your website’s traffic from different sources, including social media and email marketing.
Google My Business
Google My Business is a free tool that helps you manage your business’s presence on Google, including Google Maps and Google Search. It allows you to update your business information, respond to reviews, and more.
SimilarWeb
SimilarWeb is a free tool that provides valuable data on your website’s traffic and user behavior. It includes metrics such as traffic sources, referral traffic, and more.
Alexa Traffic Rank
Alexa Traffic Rank is a free tool that provides valuable data on your website’s traffic and ranking. It includes metrics such as global and country-specific rankings, and more.
BuzzSumo
BuzzSumo is a free tool that helps you find the most popular content related to your business. It provides valuable insights on what type of content your target audience is interested in.
Hootsuite
Hootsuite is a free social media management tool that allows you to schedule and publish content on multiple social media platforms.
BrightLocal
BrightLocal is a paid SEO tool that helps you manage your local business listings on search engines and directories. it guarantees that your business details are uniform and precise throughout the internet.