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A source-checked, independent knowledge base on backlinks & SEO.
Index

All guides & topics

Every guide on Backly, grouped by pillar. Nine hubs, 130+ source-checked articles — plus the buyer's guide.

Link Building & Backlinks: The Fundamentals

What a backlink is, link equity, and whether link building still works.

Types of Backlinks: The Complete Reference

Dofollow vs nofollow, editorial, contextual, sponsored, PR and more.

Link Building Tactics & Strategies

Guest posting, broken-link building, HARO, outreach, digital PR.

Buying, Selling & PBN Links: What Google Allows

Buying links, selling links, PBNs, packages and what Google allows.

Link Risk Levels: From White Hat to Black Hat SEO

White/grey/black hat, toxic links, disavow and penalties.

Backlink Tools, Metrics & Monitoring

Backlink checkers, DA vs DR, monitoring, indexing and reporting.

Link Building Services: Agency Models & Vendor Rankings

Agencies, white-label, guest-post services and real pricing.

Niche Link Building: Industry-Specific Strategies

SaaS, B2B, ecommerce, local, legal, healthcare and more.

Planning, Outreach, Prospecting & Reporting

Plans, prospecting, outreach process, reporting and ROI.