The reliable way to tell the May 2026 core update apart from the growth of AI Overviews is to compare the same Search Console numbers from one month to the next. A single snapshot cannot separate the two, but a steady monthly comparison can.
This post shows you what to compare, which patterns point to which cause and what to fix in between. The goal is a simple habit you can keep for the rest of the year.
Why You Need More Than One Comparison
Google began rolling out a core algorithm update on May 21, 2026, with completion expected around June 4, 2026. A traffic dip in late May or early June could come from that update, from wider AI Overviews or from both at once.
Each cause needs a different response, and mixing them up is a costly mistake. Google never says exactly which signals a core update adjusts, so your own data over time is the clearest evidence you will get.
Your Starting Point: the Rollout Window
Open the Performance report in Google Search Console. Compare the period from May 21 through June 4 against the two weeks that came before it, and note average position and clicks for your key pages.
That first comparison becomes your reference. Every later month gets measured against it, which keeps one bad week from steering your decisions.
The Two Results to Compare Each Time
Both the core update and AI Overview expansion can shrink the clicks you see. The difference shows up when you put clicks next to average position:
- Position and clicks fell together. The core update is the more likely cause.
- Position held steady while clicks fell. AI Overview expansion is the more probable driver.
Label each key page with one of these two results every month. Over a few months, the labels show whether a problem is fading, holding or spreading to new pages.
What a Core Update Drop Means
Early data from this update shows a clear pattern. Sites that aggregate, syndicate or repackage content from others are losing visibility, while sites that publish original content are gaining it.
Small and local sites showed lower early volatility than YMYL, e-commerce and affiliate sites. Still, any site with thin content, no named author or duplicate and templated pages faces some risk.
If a page keeps landing in this group, look at originality first. You are the original source on your own services, and your local expertise and firsthand client work give you an edge that aggregators cannot copy.
What an AI Overview Drop Means
AI Overviews are the AI summaries that sit above the blue links, and their reach keeps growing. The Conductor Q1 2026 benchmark across 21.9 million queries put AI Overview prevalence at 25.11 percent.
The BrightEdge tracker, which follows nine commercial industries, recorded 48 percent by March 2026, a 58 percent increase over the prior year. AI Overviews now show up for product comparisons, brand searches and transactional queries, not just general questions.
Studies show click drops of 34 to 61 percent on informational searches, though that decline leveled off and began recovering in early 2026. Brands cited inside an Overview can even earn more clicks than before.
How to Compare Over Time
Put your pages into two groups before each comparison. High-intent searches where people buy or book trigger an Overview only about 5 percent of the time, compared with 36 percent for informational queries:
- Pull this month's clicks and average position for your informational pages, then for your buy and book pages.
- Compare each group with the previous month and with your rollout window reference.
- Expect informational pages to show the AI Overview pattern first, because those queries trigger Overviews far more often.
- Treat a drop on buy and book pages as more serious, since Overviews rarely touch those searches.
- Write down what you changed on the site that month, so the next comparison can connect cause and effect.
What to Fix While You Compare
The comparison tells you where to look, and these fixes give the next comparison something to measure. Work through them a few pages at a time:
- Lead with the answer. Open each key page with a direct answer to its main question, because readers and AI models both reward content that gets to the point.
- Structure for lifting. Use clear headings, comparison tables and concise summaries that an AI can quote and cite.
- Add FAQ schema. Mark up pages that answer common questions in your field, and place answers ahead of the supporting detail.
- Refresh each quarter. AI has a strong recency bias, so update important content at least once every three months.
- Favor commercial pages. Product comparisons, pricing logic and detailed service pages are content that Overviews rarely touch and buyers still click.
- Check crawler access. Many sites block AI crawlers in robots.txt without realizing it, and a recent Cloudflare default change may have shut off AI bot traffic automatically.
- Verify mobile speed. Fast, responsive pages help both traditional search and AI systems reach your content.
Signals Beyond Your Website
Third-party signals are mentions, reviews or citations of your brand on outside platforms such as news sites, forums and social channels. They act as trust validators that help search engines confirm your authority.
Keep your Google Business Profile active with posts about new facts, seasonal hours or specific inventory. Ask satisfied customers for reviews at a steady pace rather than in one burst, and make sure your name, address and phone number match on every directory listing.
The Bigger Picture Over Time
The core update and the AI Overview expansion reward the same qualities. Original expertise, clear structure, consistent authority signals and content that answers buyer questions all point in one direction: treat content as infrastructure, not filler.
A plumber, a dentist or an accounting firm in Michigan holds firsthand knowledge that no content farm can reproduce. Month after month, your comparisons should show that knowledge earning its place.
If you are not sure how to read your numbers after the May 2026 rollout, contact us to talk through your situation. You can also schedule a call, and we will review your Search Console data with you.
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Frequently Asked Questions
Were small business websites hit hard by the May 2026 core update?
Early data says small and local sites saw less volatility than e-commerce, affiliate and YMYL sites. The pages most at risk are thin, carry no named author or repeat templated text.
My average position held steady but my clicks fell. What does that mean?
When average position stays flat in Search Console while clicks drop, AI Overview expansion is a more likely cause than the core update. That pattern calls for a different fix, so confirm it before you change your pages.
What helps a page get featured inside Google AI Overviews?
Lead each page with a direct answer, use clear headings and short paragraphs, add FAQ schema and keep the content current. Steady Google Business Profile activity and mentions of your brand on other sites build the authority behind it.
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