Official statement
A good target is to have around 75% of site visitors experiencing a First Input Delay of less than 100 milliseconds. 100ms is the threshold at which interfaces are perceived as instantaneous. Between 100-300ms becomes problematic, and beyond 300ms creates a noticeable delay and a degraded user experience.
Other statements from this video 13 ▾
- □ Why is First Input Delay essential for technical SEO?
- □ How do individual URLs truly impact Page Experience and SEO?
- □ How do FID scores from the Chrome UX Report impact your SEO?
- □ How can you access FID data via Search Console to enhance your SEO strategy?
- □ How can PageSpeed Insights transform your SEO strategy?
- □ Why does a URL need to be online for at least a month to be included in the CrUX Report?
- □ Do Core Web Vitals really lack success thresholds?
- □ Is it possible for FID to be non-existent without user engagement?
- □ How can you effectively measure FID on new pages?
- □ How can managing JavaScript effectively boost your FID?
- □ Why should you optimize JavaScript for SEO?
- □ What SEO benefits can you gain by using async and defer attributes on your scripts?
- □ Are You Splitting Your Tasks to Enhance FID?
Official statement from
(5 years ago)
⚠ A more recent statement exists on this topic
Why is First Input Delay so challenging to measure in a lab setting?
View statement →
TL;DR
Google recommends a First Input Delay (FID) of less than 100ms for 75% of users. Exceeding this threshold deteriorates the perception of speed. Goal: 100ms; otherwise, user experience suffers.
❓ Frequently Asked Questions
Quel outil utiliser pour mesurer le FID?
PageSpeed Insights permet de vérifier le FID et propose des recommandations d'amélioration.
Pourquoi le FID est-il plus important que d'autres métriques?
Le FID impacte directement la perception de réactivité immédiate, essentielle pour l'engagement utilisateur.
Peut-on optimiser le FID sur une page déjà conçue?
Oui, mais cela demande d'identifier et de corriger les scripts qui causent du retard.
🎥 From the same video 13
Other SEO insights extracted from this same Google Search Central video · published on 21/09/2021
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