How strongly do Core Web Vitals affect Google rankings?
In short and in plain language
The Core Web Vitals are speed measures from Google. They affect where you show up on Google. But they are just one factor of many.
Content stays the most important thing. Speed alone will not lift a page to the top.
When pages have similar content, Google can prefer the faster one. For hard search terms this can make a big difference.
No one can promise you a better place in search. But the speed of your site is in your hands.
Core Web Vitals are a confirmed ranking factor, but one among many. Google has repeatedly emphasized that content relevance remains by far the strongest signal. So a page sitting at position 30 will not climb to the top through fast load times alone. In practice, the vitals act primarily as a tie-breaker: when two pages offer similarly relevant content, Google favors the faster, more user-friendly one.
For highly competitive search terms in particular, this difference can decide the position, and thus a substantial share of the clicks. Better Core Web Vitals can help on relevant terms in this way; we do not promise any particular position, because rankings depend on many factors. Performance, however, is one of the few factors entirely within your control.