RankWiki

Links & Authority

Link building is the practice of earning or acquiring backlinks from other websites to improve a site's search engine rankings.

This section covers everything about links and authority: how backlinks are earned, measured, valued, and devalued. It includes methods like digital PR and guest posting, tools for checking metrics such as domain authority and PageRank, and strategies for managing your backlink profile.

What you won't find here is on-page optimisation advice or technical SEO for internal links on a single page—those belong under other sections. The focus is strictly on off-site signals and the link ecosystem beyond your own domain.

If you are new to link building, start with the entry on SEO link building to understand the core concepts, then move to anchor text to see how links communicate context to search engines.

Start here

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Other sections

SEO Basics How search engines find, rank and show pages — and the vocabulary behind it. 84 entries Keyword Research Finding, judging and grouping the queries a page should answer. 128 entries On-Page & Content SEO What goes on the page: titles, headings, copy, media and internal links. 173 entries Technical SEO Crawling, indexing, speed, structured data and site architecture. 240 entries SEO Tools & Analytics Neutral reference entries for the platforms, and how to measure results. 192 entries SEO in Practice SEO applied to a place, a storefront, a platform or a job. 268 entries

Written and maintained by Nora Lindholm. Last updated 27 July 2026.

Spotted an error? Email me — corrections are logged and credited on the entry. Outbound links are unpaid; most are nofollow.