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TECHNICAL SEO

Core Web Vitals in 2026: what still moves rankings

INP replaced FID a while ago. Here is what actually correlates with position now.

JBJosh BernsteinManaging Partner · JUN 19, 2026 · 8 MIN READ

Core Web Vitals still gate rankings, but the metric that matters most has changed.

INP replaced FID, and in our engagements it correlates with position more tightly than either LCP or CLS once a site is past the obvious failures. Interaction latency is where most enterprise templates quietly lose ground.

We work from field data, not lab scores, and fix at the template level so improvements hold across thousands of pages rather than one hero page.

KEY TAKEAWAYGet LCP and CLS out of the red, then treat INP as the ongoing discipline. It is the vital most teams still under-invest in.

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Josh BernsteinMANAGING PARTNER, SOMETHING INC.

Josh leads work at the intersection of SEO and generative engines at Something Inc., helping B2B brands get ranked and cited across every major AI engine.

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