Official statement
If you're experiencing FID issues, check if you're loading too much JavaScript. Any file larger than 200 kilobytes is likely too bulky. Code splitting is recommended to break the code into smaller chunks.
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 true that a FID under 100ms can enhance user experience for most visitors?
- □ 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?
- □ 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 Can Displaying 'Not Available' via JavaScript Kill Your Google Indexing?
View statement →
TL;DR
JavaScript exceeding 200 kilobytes can impact FID. Google advises reducing file sizes. Code splitting is an effective solution.
❓ Frequently Asked Questions
Quelle est la taille optimale pour un fichier JavaScript ?
Google recommande moins de 200 kilobytes pour éviter les problèmes de performance.
Le code splitting est-il complexe à mettre en œuvre ?
Il nécessite des ajustements techniques mais apporte des gains de performance significatifs.
Est-ce que tout JavaScript ralentit le FID ?
Principalement les fichiers volumineux et non optimisés. Une gestion prudente est essentielle.
🎥 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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