Links between pages on the same domain that distribute authority and define site structure for users and crawlers.
Internal links are links from one page on your site to another. They do three jobs at once: they help crawlers discover pages, they pass ranking signals (often called link equity or PageRank) between pages, and they tell search engines how your topics relate to each other. The clickable anchor text is a strong relevance cue.
Link with descriptive anchor text ("crawl budget", not "click here"), and deliberately funnel authority from your strongest pages to the ones you want to lift. Build the structure around topic clusters: a pillar links down to its cluster pages and each cluster page links back up and across to siblings. Hunt down orphan pages (pages with no internal links pointing to them) — they are effectively invisible to both users and crawlers.
A deliberate internal-linking architecture is often the highest-ROI lever in SEO precisely because it is entirely within your control — no outreach, no waiting on other sites. Manage anchor-text distribution and link depth as levers, keep important pages within a few clicks of the homepage, and revisit the graph whenever you publish: a strong new asset should immediately be wired into the relevant cluster. At scale, model internal PageRank flow rather than eyeballing it.
I turn concepts like these into quarterly roadmaps and measurable organic revenue for SaaS teams.
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