SEMrush is a popular SEO tool used for keyword research, competitor analysis, site audits, and more. While it's powerful, its premium pricing may not suit every budget. Fortunately, there are excellent free alternatives.

Google Keyword Planner

A free tool from Google, it helps with keyword research by providing search volume, competition level, and keyword suggestions.

Ubersuggest

Created by Neil Patel, Ubersuggest offers keyword research, content ideas, and backlink analysis. It’s beginner-friendly and highly effective.

AnswerThePublic

This tool generates content ideas by displaying questions, prepositions, and comparisons related to a keyword.

SEOquake

A free browser extension that provides on-page SEO audits, keyword density analysis, and Alexa rank.

Google Analytics

While primarily a web analytics tool, Google Analytics is invaluable for understanding your site's traffic and audience behavior.

Google Search Console

A must-have tool for monitoring your website's performance in search results and identifying issues affecting your SEO.

Ahrefs Webmaster Tools

A free version of Ahrefs, it allows you to analyze your website’s backlinks, track keyword rankings, and perform site audits.

When selecting an alternative, consider your specific needs, such as keyword research, backlink analysis, or competitor insights. Using a combination of tools can help maximize their potential.