Moz Beginner's Guide to SEO
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Moz's free, multi-chapter introduction to search engine optimization. Walks through how search engines crawl and index pages, keyword research, on-page optimization, technical SEO, link building, and measuring results, giving newcomers a working model of how organic search rankings are earned.
More resources on SEO (Search Engine Optimization)
Ahrefs Blog
The Ahrefs team's blog on search engine optimization and content marketing, publishing detailed tutorials and data studies drawn from its large backlink and keyword index. Useful for learning keyword research, link building, and diagnosing ranking problems on real sites.
SEO Fundamentals
A free Semrush Academy video course running about two hours across short modules on keyword research, technical SEO, on-page and off-page work, competitive analysis and local SEO. Finishing it, you can run a basic optimization audit.
Backlinko
Brian Dean's SEO site, now owned by Semrush, publishing long-form guides on keyword research, on-page optimization, link building and content promotion. Bloggers learn how search rankings work and how to plan articles that attract organic traffic.
searchenginejournal.com
Search Engine Journal is a leading resource for SEO and digital marketing, offering up-to-date industry news and practical how-to guides. Its content covers search engine optimization, PPC, content marketing, social media, and algorithm updates through tutorials, case studies, and expert insights.
Backlinko
SEO blog publishing long-form guides and original ranking studies on link building, keyword research, on-page optimization and content strategy. Readers get repeatable tactics and benchmark data they can apply to their own site's search performance.
Moz Blog
Posts from Moz staff and guest practitioners covering search algorithm changes, technical SEO audits, local search and analytics, including the Whiteboard Friday video series. Useful for keeping an existing SEO practice current as ranking factors shift.