Weekly SEO Roundup: Google Tightens Spam Rules as AI Search Reporting Starts to Take Shape

Google added a new spam policy, the March core update finished rolling out, Search Console impression data needs a second look, and AI search reporting may be getting more real. Here is what small businesses and marketers should pay attention to this week.

SEO NewsGoogle UpdatesWeekly Roundup
By Emil Mequita

Google gave marketers a very clear message this week: clean up risky user experience patterns, be careful with how you read reporting, and start preparing for a search landscape where AI visibility becomes easier to measure.

For small businesses, this is less about chasing every headline and more about tightening the basics that actually hold up after updates.

1. Google adds a spam policy for back button hijacking

Source: Google Search Central

Google formally added back button hijacking to its spam policies. That covers pages or scripts that interfere with normal browser navigation, prevent users from going back, or send them somewhere unexpected. Enforcement starts on June 15, 2026.

Why this matters:

This is the strongest practical headline of the week because it is not theoretical. If your site uses aggressive ad scripts, popups, engagement widgets, or third-party tools that create deceptive navigation behavior, you now have a clear compliance deadline.

Practical takeaway:

2. Google’s March 2026 core update is done, so the analysis window starts now

Source: Search Engine Journal and Search Engine Roundtable

Google’s March 2026 broad core update finished rolling out on April 8. That means this week is the first useful moment to compare pre-update and post-update performance without guessing mid-rollout.

Why this matters:

If rankings moved, this is the time to look for patterns by page type, search intent, and content quality. Random rewrites usually make things worse.

Practical takeaway:

3. Search Console impression data may have been inflated for months

Source: Search Engine Journal

Google confirmed a Search Console logging issue that over-reported impressions starting May 13, 2025. Clicks and other metrics were not affected, but impression reporting may shift downward as the fix rolls out.

Why this matters:

A lot of marketing reporting leans too heavily on impressions. If you have been showing strong visibility growth in dashboards or client reports, some of that lift may have been data noise rather than real performance.

Practical takeaway:

4. Google appears to be testing an AI contribution report in Search Console

Source: Search Engine Roundtable

Google appears to be testing an AI contribution area in Search Console. Details are limited, but the early signal suggests Google may eventually give site owners a clearer view into how their pages contribute to AI search experiences.

Why this matters:

For marketers, this could become one of the most useful AI-era reporting updates yet. Right now, many teams can feel AI search impact without being able to measure it cleanly.

Practical takeaway:

5. AI Overviews still have accuracy and grounding problems

Source: Search Engine Roundtable

A new study discussed by The New York Times found that while many AI Overviews were directionally accurate, a meaningful share still had grounding issues, meaning the cited sources did not fully support the claims being made.

Why this matters:

This is a reminder that visibility in AI search is not just about being mentioned. It is about making your content easy to verify, easy to summarize, and strong enough to support the claims AI systems might pull from it.

Practical takeaway:

Bottom line

The big pattern this week is simple: Google is pushing harder on trust, cleaner UX, and better AI-era measurement.

That means small businesses should spend less time chasing SEO folklore and more time fixing the things that compound: cleaner site behavior, better page quality, stronger internal linking, and reporting that stays tied to business outcomes.

If you want help turning this week’s changes into a practical priority list for your site, book a consultation.