Semrush

Semrush is the most comprehensive SEO and digital marketing toolkit available for teams that need to dominate search rankings, understand competitors, and optimize content at scale. Founded in 2008 by Oleg Shchegolev and Dmitry Melnikov, Semrush has grown into a platform with over 55 tools covering SEO, PPC, social media, content marketing, and market research — used by over 10 million marketers worldwide.\n\nThe keyword research capabilities are best-in-class. Semrush's database contains over 25 billion keywords across 140 countries, with accurate search volume data, keyword difficulty scores, SERP feature data, and competitor keyword gap analysis. For content teams, the Topic Research and SEO Writing Assistant tools help plan and optimize content before and during creation.\n\nCompetitive intelligence is where Semrush truly differentiates. Enter any domain and see their top organic keywords, estimated traffic, paid keyword spend, backlink profile, and how their visibility has changed over time. This data drives strategic decisions about which keywords to target, which pages to build, and which competitors to outmaneuver.\n\nThe Site Audit tool crawls websites and generates prioritized lists of technical SEO issues — broken links, slow pages, duplicate content, crawl errors — with actionable fix recommendations. Position Tracking monitors daily keyword rankings with alerts for changes.\n\nSemrush revised its plan structure in late 2025, with "Semrush One" plans starting at $165.17/mo (annual). The three established SEO Toolkit plans remain: Pro at $139.95/mo (monthly), Guru at $249.95/mo (monthly), and Business at $499.95/mo (monthly), with ~17% discount on annual billing.