Should you limit the number of outbound links to optimize internal linking?

Why does Google emphasize main content?

Google clearly distinguishes main content from the rest of the page: sidebars, footers, navigation menus. This distinction is not new, but Mueller reaffirms it for a simple reason: links buried in secondary areas transmit little or no ranking value.

The crawler gives more weight to contextual links, those that appear naturally in the editorial flow. A link in a 300-word paragraph has more impact than a link lost in a sidebar widget with 50 other links. It's a matter of contextual relevance and signal dilution.

What does a coherent link structure mean?

A coherent structure is an architecture where each important page receives qualified internal links from other relevant content. No orphan pages, no airtight silos, no content accessible only through 7 clicks from the homepage.

In practice, this involves mapping your current linking: which pages receive the most internal links? Which ones are isolated? Google crawls and indexes based on this click depth and the frequency with which it encounters your URLs via internal links.

Do numerous outbound links pose a problem?

Mueller's wording is telling: the problem is not the absolute number of outbound links, but their distribution and placement. A page with 100 links in the sidebar plus 5 editorial links performs better than a page with 15 links all concentrated in a footer.

The classic mistake? Creating resource pages with 80 links listed, all at the same hierarchical level. Google then struggles to identify which content is a priority. The solution is to visually and semantically prioritize, use descriptive anchors, and vary the depth of linking.

• Only links in the main content truly count for crawling and ranking
• A coherent structure avoids orphan pages and crawling dead ends
• The number of outbound links is problematic only if they dilute priority signals
• Google prioritizes contextual links, inserted naturally into the editorial flow
• Click depth from the homepage remains a key indicator for indexing

Is this statement consistent with field observations?

Absolutely. Crawl audits consistently reveal that pages receiving contextual editorial links are crawled more frequently and rank better. Conversely, content accessible only through footer menus or sidebar widgets struggles to rise in the SERPs, even with good content.

A/B tests confirm the impact: adding 3-4 internal links from related articles to a strategic page improves its indexing within 48-72 hours. Removing those same links leads to a drop in crawl frequency within 2-3 weeks. The signal is clear, measurable, reproducible.

What nuances should be considered regarding this advice?

Mueller remains deliberately vague on one point: how many editorial internal links per page is optimal? The answer depends on the sector, the type of content, and the authority of the domain. An e-commerce site with 50 related products in a category functions differently from a technical blog with 5 related articles.

Another blind spot: the notion of "main content" can be ambiguous for certain layouts. Is a "recommended articles" area just after the content considered main content? [To be verified] through rendering tests and log analysis. Google does not provide a strict technical definition, allowing for some interpretation.

In which cases does this rule not apply?

On very deep sites (thousands of pages), it becomes impossible to link everything from the main content. Technical pages (legal notices, terms and conditions, secondary FAQs) do not need to be boosted by intense editorial linking. The effort should focus on strategic content: SEO landing pages, pillar articles, priority product sheets.

Another exception: news sites or aggregators that publish 50+ articles per day. Automated linking via tags or categories remains necessary, even if it goes through non-editorial areas. The key? Combining intelligent automation (contextual links via NLP) and manual curation for the most strategic content.

How can you check that your internal links are well placed?

Run a crawl with Screaming Frog or Oncrawl, enabling main content extraction. Compare the number of links detected in the editorial area vs. the total number of links per page. If 80% of your internal links come from secondary areas, you have a structural issue.

Also use Google Search Console to identify pages that are indexed but never crawled or crawled very rarely. Cross-reference this data with your internal linking: do these pages receive editorial links? How many clicks from the homepage? If the answer is "no editorial links" and "7+ clicks", you know what to do.

What mistakes should you absolutely avoid?

Do not saturate your content with 30 internal links per article under the pretense of optimizing the linking. Google detects artificial patterns: repetitive exact anchors, links inserted mechanically every 150 words, lack of semantic variation. Prioritize 5-8 relevant and contextual links over 25 forced links.

Another trap: creating "hub" pages intended to redistribute link equity to deeper content, but which provide no user value. Google ignores or devalues these intermediate pages. A good hub should offer original content, an editorial angle, a reason to exist beyond SEO.

What should you do concretely right now?

Audit your top 50 strategic pages: how many receive links from other articles or editorial content? For those that lack them, identify 3-5 existing contents to add natural contextual links. Update these articles within 48 hours.

Next, fix orphan pages: every important page must be accessible within 3 clicks maximum from the homepage, via links in the main content. Remove or redirect outdated content that dilutes your crawl budget without adding value.

These technical optimizations can quickly become complex to orchestrate, especially on sites with several thousand pages. If you lack internal resources or expertise to structure an effective internal linking strategy, enlisting a specialized SEO agency can provide you with an in-depth audit and a tailored action plan without mobilizing your teams for weeks.

• Crawl your site extracting only links from the main content
• Identify strategic pages receiving fewer than 3 editorial links
• Add 3-5 contextual links from existing related content
• Check the click depth: no key page should be beyond 3 clicks from the homepage
• Remove or redirect orphan pages with no user value
• Monitor crawl evolution in GSC after changes