Why Page Speed
Decides Your
Ranking.

Page Speed Is a Confirmed Google Ranking Factor

Google formally confirmed page experience — driven by Core Web Vitals — as a ranking signal, first for mobile in 2021 and desktop in 2022. The signal stays even after subsequent ranking-system updates.

On March 12, 2024, Google replaced First Input Delay (FID) with Interaction to Next Paint (INP) as the responsiveness metric inside Core Web Vitals. Sites tuned for the old metric had to recheck.

Source: Google Search Central — Page Experience (developers.google.com/search/docs/appearance/page-experience).

The Three Vitals That Matter

Core Web Vitals are field-measured, not lab-measured. Google reads real-user data from the Chrome User Experience Report (CrUX). You can fake a Lighthouse score; you cannot fake CrUX.

Speed Is Also a Conversion Factor

Even ignoring SEO, faster sites convert better. Across two decades of A/B tests at Amazon, Walmart, BBC, Pinterest, Vodafone, and Deloitte, the result is consistent: shaving milliseconds off load time produces measurable revenue lift.

Most of the Web Is Failing

According to the HTTP Archive Web Almanac, only about 48% of sites pass all Core Web Vitals on mobile. Median mobile TTFB hovers around 1.0–1.3 seconds — Google's 'good' TTFB threshold is under 800ms.

Source: Web Almanac 2024 (almanac.httparchive.org/en/2024/performance).

WordPress vs Static + Edge

WordPress on shared hosting commonly hits TTFB of 500ms to 1.5s, because every request boots PHP and queries MySQL. Even with caching plugins, dynamic plugin code keeps the floor high.

Static or server-rendered sites on edge networks (Vercel, Netlify, Cloudflare) routinely deliver TTFB under 100ms globally because the response is pre-rendered and served from a node near the user.

Source: Web Almanac 2022 CMS chapter, Kinsta TTFB benchmarks.

What This Means for You

If your site is on WordPress with 20 plugins, your CWV pass rate is statistically below 50%, your TTFB is over 800ms, and Google is downranking you for it. You also lose conversions across every funnel — fewer leads, fewer signups, fewer sales — even from people who do find the site.

Modern Next.js + Vercel sites pass CWV by default. That is not a brag — that is the floor in 2026.