Semrush

Freemium

semrush.com

All-in-one digital marketing suite providing AI-driven SEO analysis, competitor keyword intelligence, and ad performance tracking.

About Semrush

Semrush is the industry-leading digital marketing and competitive intelligence platform utilized by over 10 million marketing professionals and top global enterprises. Offering a comprehensive suite of more than 55 specialized tools, Semrush covers every dimension of digital visibility—including search engine optimization (SEO), pay-per-click (PPC) advertising, content marketing, social media management, and competitive market research.

The platform integrates Semrush Copilot, an AI-powered SEO assistant that continuously scans your domain and competitive landscape to surface automated alerts, high-impact keyword opportunities, and backlink anomaly warnings. Semrush also provides the ContentShake AI writing assistant and SEO Writing Assistant, which evaluate draft content in real time against top-ranking search competitors.

Semrush maintains one of the largest proprietary marketing databases in the world, indexing over 25 billion keywords and 43 trillion backlinks across 190 countries. It offers a free account with daily search limits alongside Pro, Guru, and Business subscription tiers for marketing agencies and enterprise brands.

Key Features

Core capabilities and technical highlights of Semrush

Semrush Copilot AI assistant delivering automated daily SEO recommendations and competitive rank movement alerts.

Massive proprietary keyword database containing over 25 billion search terms across 190 regional search markets.

Technical Site Audit tool analyzing over 140 on-page SEO issues, security checks, and site speed benchmarks.

Comprehensive Backlink Analytics tracking link velocity, referring domain authority, and toxic link distributions.

Popular Use Cases

How teams, developers, and creators get value from Semrush

1Uncover competitor organic search keywords, estimated monthly search traffic, and high-performing landing pages.

2Conduct in-depth keyword research with difficulty metrics and intent classifications to plan content editorial calendars.

3Audit entire website technical architectures to identify broken links, crawl errors, and Core Web Vitals issues.

4Analyze competitor Google Ads search campaigns, ad copy variations, and historical PPC bidding strategies.

Frequently Asked Questions

Common questions and answers regarding Semrush

Is Semrush free to use?

Yes, Semrush provides a free account with limited daily queries and one website tracking project, with paid plans unlocking full data reports and historical trends.

What is Semrush Copilot?

Semrush Copilot is an AI-powered assistant that monitors your tracked projects and alerts you to ranking changes, algorithm updates, and new keyword opportunities.

How large is the Semrush database?

Semrush indexes over 25 billion keywords, 43 trillion backlinks, and hundreds of millions of domain profiles globally.

Can Semrush analyze competitor Google Ads?

Yes, Semrush's Advertising Research tool reveals competitors' active paid search keywords, estimated ad spend, and live ad copy creatives.

What is the Semrush SEO Writing Assistant?

It is an interactive plugin for Google Docs, WordPress, and MS Word that scores content readability, SEO optimization, and tone of voice in real time.