SEO

SEO Pulse: Rank Data Throttled, Lighthouse 13.6 Moves PageSpeed Scores

Search Engine Journal's SEO Pulse for November 7 reads like a field report from a search engine in flux. Matt G. Southern's roundup covers three stories that, together, describe the current moment: rank tracking data is getting harder to trust, PageSpeed scores are moving on pages nobody changed, and Google's own spokespeople are sketching the future of technical SEO. The Pulse draws on an SE Ranking review of 10,000 Google US desktop keywords published November 3, in which 84% of flagged cases were unrelated listings about a single word from the query, and 96.5% of those unrelated blocks began at position 9 or below. It also reports that SERP data providers say Google started throttling goto link lookups around October 30, so some rank data may now store a Google redirect link instead of the ranked page URL.

Rank data is getting harder to trust

The throttling of goto link lookups is the kind of change that degrades rank tracking silently. If a tracker stores a Google redirect URL instead of the destination page, the data still looks complete — it is just wrong about which page ranks. Combined with the SE Ranking finding that most flagged unrelated listings sit at position 9 or below, the picture is of a results page that is harder to measure precisely than it was a month ago.

The SE Ranking review also found that 84% of flagged cases were unrelated listings about a single word from the query — a reminder that Google's results now include blocks that match part of a query rather than the whole of it. For rank trackers, that is a classification problem as much as a data problem: is a page ranking for a query it only partly matches? The honest answer is that the line between ranking and not ranking has blurred, and the tools are catching up.

Lighthouse 13.6.0 moves scores on unchanged pages

PageSpeed Insights now runs Lighthouse 13.6.0, which changes the loading simulation for lab scores — so scores can rise or fall on pages nobody changed, especially JavaScript-heavy sites. That is the worst kind of tooling change for site owners: a number moves, the page did not, and the owner has to decide whether to act on a signal that reflects the measuring instrument rather than the site.

The practical response is to treat lab scores as directional, not absolute, and to lean on field data — real user experience — when a lab score moves without a deploy. If the field data is stable and the lab score dropped after the Lighthouse update, the change is in the ruler, not the page. Chasing a lab score that moved because the simulation changed is the definition of wasted effort.

Why it matters for SEOs and link builders

The Pulse also notes Google's John Mueller saying AI systems build on SEO, and expecting technical SEO to stay relevant for AI search. That is the thread connecting the three stories: measurement is getting harder, the tools are changing under our feet, and the fundamentals — crawlable pages, fast loading, clear structure — are what AI systems build on. When the instruments wobble, the response is not to abandon measurement but to measure the things that matter twice, and to trust the fundamentals when the dashboards disagree.

For link builders, the takeaway is to verify before reacting. A ranking drop that coincides with a tracker change may be a data artefact; a PageSpeed drop that coincides with Lighthouse 13.6 may be a simulation artefact. Check the underlying reality — the live results, the field data, the actual page — before rebuilding anything.

The Pulse format itself is part of the story. A weekly roundup that bundles rank-data problems, a Lighthouse update and an AI opt-out into a single digest is a response to the pace of change: no single story is big enough to carry the week, but the accumulation of small changes is the week. For SEOs, the discipline the Pulse demands is triage — reading the roundup, deciding which of its items affects your sites, and ignoring the rest. The three stories in this edition affect different people: rank trackers and their customers, owners of JavaScript-heavy sites, and anyone planning for AI search. The skill is knowing which of those people you are, and acting on the item that names you rather than on all three at once.

Sources

Sources: Search Engine Journal, November 7, 2026 (SEO Pulse).

Related reading on this site: Aleyda Solis Turns Google's Content Quality Guidance Into 83 Checks, Google Moved Brand AI Overviews Into the Right Column, Microsoft Splits Bing Copilot Search Into AI Mode and AI Overview, Google Ads May Count Offline Conversions in the Wrong Accounts, AI Knows What Your Brand Does — But Not Who It's For, and SEO Can't Fix a Broken Sales Process.

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