Yes, but selectively, technical SEO still matters most for the traffic that clicks through to convert, less for informational queries AI Overviews now answer directly on the SERP. Core Web Vitals remain a confirmed Google ranking factor, and a slow page still tanks conversion rate regardless of what happens in search. The real shift is where you invest effort, not whether technical SEO still matters at all.
The Honest Case Against Over-Investing in Technical SEO Right Now
Let's take the contrarian argument seriously before dismissing it, because there's real substance to it. AI Overviews, AI Mode, and answer-engine results are absorbing a meaningful share of informational queries directly on the SERP, Search Engine Land and other industry outlets have tracked declining click-through rates on queries where an AI-generated answer appears above organic results. If a user's question gets fully answered without a click, no amount of Largest Contentful Paint optimization on your page recovers that traffic. Chasing a 200-millisecond speed improvement on a blog post that used to get informational traffic, and now gets summarized instead of clicked, is genuinely a lower-ROI activity than it was three years ago.
That's a real, defensible observation. It's also incomplete.
Why Core Web Vitals Still Matter, Even in an AI-Search World
1. It's still a ranking factor, full stop
Google has repeatedly confirmed Core Web Vitals remain part of the page experience signals used in ranking, documented in their Search Central guidance. Being a minor factor among many doesn't mean zero, for competitive queries where content quality is roughly comparable across the top results, page experience can be the differentiator.
2. The traffic that DOES click through converts better on fast pages
This is the part the "AI killed technical SEO" argument misses: the queries most likely to still produce a click, transactional, comparison, and high-intent navigational queries, are exactly the queries where site speed has the most direct, measurable effect on conversion rate. Google's own research and case studies compiled by HubSpot have consistently shown bounce rate rising sharply as load time increases past 2-3 seconds. AI Overviews reduce the volume of clicks on informational content; they don't touch what happens once someone lands on your pricing page or product listing.
3. E-commerce and conversion pages were never the pages AI Overviews target most
AI Overviews concentrate heavily on informational, "how" and "what" queries. Transactional pages, product pages, pricing pages, course enrollment pages, comparison pages, are far less likely to be fully answered by an AI snippet, because the intent is to complete an action, not absorb information. This is precisely the page category where speed investment still pays off at close to its historical rate.
4. Mobile experience gaps compound regardless of search behavior
Slow, janky mobile experiences hurt retention, brand perception, and paid traffic performance (where you're paying for the click regardless of how it arrived), none of which has anything to do with whether AI Overviews exist.
Where to Still Invest vs. Where to Deprioritize
Still invest heavily
- Product, pricing, and enrollment pages, highest-intent traffic, most direct revenue impact from speed and Core Web Vitals.
- Category and comparison pages, high commercial intent, still driving real click-through.
- Core navigation and mobile experience site-wide, affects every visitor regardless of entry query.
- Interaction to Next Paint (INP) specifically on any page with forms, filters, or checkout flows, a laggy interaction on a conversion page directly costs revenue.
Can deprioritize (relatively)
- Deep informational blog content on broad "what is X" queries, the queries most likely to be fully absorbed by AI Overviews. Still keep these reasonably fast (don't let them fail Core Web Vitals thresholds outright, since that's still a ranking signal), but don't over-invest engineering time chasing marginal millisecond gains here.
- Low-traffic archive or legacy pages, better served by the pruning framework than by a speed sprint.
Use judgment
- High-volume informational content that still ranks and gets clicks despite AI Overviews, check your own Search Console data before assuming any given page has lost traffic to AI answers; it varies significantly by query type and vertical.
The Metric That Matters More in 2026: Interaction to Next Paint
If you're going to concentrate technical effort anywhere, concentrate it on Interaction to Next Paint (INP), which replaced First Input Delay as a Core Web Vital and measures how responsive a page feels during actual use, clicking a filter, submitting a form, opening a menu. INP failures are disproportionately common on exactly the pages where they cost the most: checkout flows, course application forms, filterable product or program listings. A slow Largest Contentful Paint costs you some patience during load; a bad INP score costs you mid-conversion, right when a user is actively trying to complete an action. Audit INP first on your five highest-value conversion pages before spreading effort across the rest of the site.
Measuring the Actual ROI, Not Just the Score
A common mistake is treating a passing Core Web Vitals score as the goal itself, rather than a proxy for the outcome that actually matters: conversion rate and revenue. Before and after any speed optimization project, track:
- Conversion rate on the specific pages touched, not site-wide averages, which dilute the signal.
- Bounce rate segmented by device, since mobile speed issues are usually more severe and more revenue-relevant than desktop ones.
- Ranking position movement on the specific queries those pages target, over an 8-12 week window (Core Web Vitals changes take time to fully reflect in rankings).
If a speed project moves the Core Web Vitals score but conversion rate and bounce rate don't budge, that's a signal the page's problems were elsewhere, content relevance, trust signals, offer clarity, not speed. This is why I push clients to instrument the business metric alongside the technical one; a green Lighthouse score that doesn't move revenue isn't actually the win it looks like on a dashboard.
A Simple Decision Framework
Before greenlighting a technical SEO or speed project, ask three questions:
- What's the query intent for the pages affected? Transactional and comparison intent → high priority. Broad informational intent → check current AI Overview presence on that specific query set first.
- What's the conversion path from this page? Pages closer to revenue get priority regardless of AI Overview exposure.
- Is the page currently failing Core Web Vitals thresholds outright, or just not maximally optimized? Failing thresholds is a real ranking risk on any page type; marginal optimization on an already-passing page is a much lower-priority ask.
Run your actual Search Console Core Web Vitals report segmented by page type before deciding where engineering time goes, don't guess.
FAQ
Is Core Web Vitals still a Google ranking factor in 2026? Yes, Google continues to confirm Core Web Vitals as part of page experience signals used in ranking, though it's one of many factors and typically a tiebreaker among comparably relevant results.
Should I stop optimizing blog content for speed since AI Overviews summarize it anyway? Don't stop entirely, keep pages passing Core Web Vitals thresholds, but deprioritize marginal speed gains on informational content relative to conversion-focused pages.
Do AI Overviews affect e-commerce product pages as much as blog content? Generally no. AI Overviews concentrate on informational queries; transactional product and pricing pages are less frequently fully answered by an AI snippet, so click-through and the value of a fast experience remain closer to historical norms.
How do I know if a specific page has lost traffic to AI Overviews? Check Search Console for that page's queries, a rising impressions-to-clicks gap (impressions steady or growing, clicks declining) on informational queries is the clearest signal.
What's the single highest-ROI technical SEO fix in 2026? For most sites, fixing Interaction to Next Paint and Largest Contentful Paint on the pages closest to conversion (product, pricing, signup) delivers the clearest, most measurable return.
If you're trying to figure out where your team's limited technical SEO hours should actually go, I help startups and edtech teams build exactly this kind of prioritization, reach out at younusfardeen.com.