Can external anchor texts really take over your title tags in Google search results?

What does "unavailable content" really mean in this context?

Gary Illyes discusses situations where page content is unavailable, which may seem counterintuitive. If a page is inaccessible, how can it be indexed and displayed in search results?

In reality, Google is probably referring to cases where crawling is hindered or incomplete: poorly executed JavaScript, server timeouts, blocked resources, or pages requiring authentication that Googlebot cannot bypass. In these configurations, Google sometimes has an indexed URL via backlinks, but without direct access to the complete HTML.

• JavaScript-heavy pages whose server-side rendering fails
• Content protected by paywall or login that Googlebot cannot pass through
• Sites with infrastructure problems (slow server, overly restrictive robots.txt on resources)
• Situations where Google partially crawled a page but could not extract the title tag

How does Google concretely use anchor texts?

When Google cannot access a page's HTML title, it falls back on external sources. Anchor texts — the clickable portion of hyperlinks — then become a privileged source of information for generating a coherent title link.

Google probably aggregates multiple anchor texts pointing to the same URL to extract a semantic consensus. If ten sites mention "Complete guide to SEO copywriting" as anchor text to your page, there's a good chance Google will adopt this phrasing — or a variation of it — as the title link.

Is this practice really exceptional?

On paper, yes. In the real world? Less obvious. [To verify] — Google provides no metrics on how frequently this mechanism occurs.

We regularly observe rewritten title links in the SERP, but it's difficult to isolate cases where anchor text is the primary source rather than a title tag deemed inadequate. Google blends several signals: HTML title, H1, in-page content, and anchor texts. Untangling these influences remains an interpretive exercise.

Is this statement consistent with what we observe in the field?

Partially. We've known for years that Google massively rewrites title tags — up to 60-70% of cases according to some studies. But precisely identifying when anchor text becomes the primary source remains complex.

Gary Illyes's statement lacks operational criteria. What exactly do we mean by "unavailable content"? Does a 2-second timeout suffice? JavaScript that fails once in three? A soft 404 page that remains temporarily indexed? [To verify] — no concrete data supports these thresholds.

What risks does this practice pose to title control?

The real problem is loss of control. If your backlinks use approximate, off-topic, or spammed anchor texts, and Google uses them to generate your title links, you end up with SERP titles that reflect neither your intent nor your positioning.

Let's be honest: few webmasters systematically audit the anchor texts of their backlinks. Yet, if your site experiences recurring accessibility issues — slow server, poorly configured CMS, unreliable JavaScript — you're letting Google compose your titles from third-party sources over which you have no direct control.

Does this logic apply uniformly to all types of sites?

No. Established authority sites, with high crawl budget and solid infrastructure, rarely experience this phenomenon. Google easily accesses their content and has clean title tags.

Conversely, niche sites, recent projects, under-optimized blogs, or poorly configured JavaScript-first platforms are natural candidates. And that's where it gets tricky: these sites already have less control over their backlink profile, making anchor text as a title source even more random.

What should you concretely do to maintain control over your title links?

The first line of defense is to ensure Google always accesses the complete content of your pages. This means a responsive server, controlled JavaScript rendering, and title tags clearly present in the source HTML.

Next, regularly audit your title links in the SERP. Use Search Console, position tracking tools, or simple manual searches to verify that Google displays your title tags and not variants generated from anchor texts or H1 tags.

• Ensure your title tags are present in the initial HTML source (not injected via JS only)
• Check your server response speed and eliminate recurring timeouts
• Control your JavaScript rendering: test your pages with Search Console's URL inspection tool
• Monitor the anchor texts of your backlinks via Ahrefs, Majestic, or SEMrush — identify parasitic formulations
• Set up automated monitoring of your title links in the SERP to detect wild rewrites

How do you audit and clean up your anchor text profile?

If you suspect Google is using your anchor texts to generate title links, you first need to map your backlink profile. Identify dominant anchor texts, recurring formulations, errors, or spam.

Then act on two fronts: disavow toxic links (spammed or off-topic anchor texts) and, if possible, contact webmasters to correct problematic anchor texts. It's a long, often thankless job, but essential if your link profile is polluted.

When is it wise to call in external expertise?

Precisely diagnosing why Google rewrites your title links — and determining whether anchor texts are the cause — requires multilayered technical analysis: crawling, rendering, backlink profile, SERP monitoring. It's rarely an isolated problem.

If your site experiences massive title link rewrites, unexplained ranking fluctuations, or inconsistencies between your title tags and what appears in the SERP, it may be worthwhile to engage a specialized SEO agency. These configurations often require thorough diagnosis, infrastructure audit, and customized action plans — difficult to orchestrate alone without proper tools and experience.