Official statement
Preload tells the browser to download and parse content immediately. When used on too many elements, it can slow down the browser. Reserve it exclusively for extremely important content like that in the initial viewport.
Other statements from this video 14 ▾
- □ Is Page Experience really an essential SEO lever?
- □ Why does each page have its own independent LCP score?
- □ Why is aiming for a Largest Contentful Paint under 2.5 seconds crucial for SEO?
- □ Why are Google’s LCP scores derived from real users?
- □ How important is the LCP score from the Search Console for your SEO strategy?
- □ Why should every SEO professional consider a CDN for optimizing LCP?
- □ How can Service Workers help boost your LCP by 80%?
- □ How does removing unused scripts and CSS really enhance LCP?
- □ Should you inline critical CSS and JS to boost your SEO?
- □ Should you use async and defer to optimize your SEO scripts?
- □ How do DNS prefetch and preconnect transform technical SEO?
- □ Should you implement loading='lazy' to optimize images that are not immediately visible?
- □ Are modern image formats truly revolutionizing SEO optimization?
- □ How can you get real-time LCP data using Google Analytics?
Official statement from
(5 years ago)
⚠ A more recent statement exists on this topic
Should you really optimize preloading hints for Googlebot?
View statement →
TL;DR
Google recommends using preload only for essential content in the initial viewport. Overusing preload can slow down the browser, harming user experience. In SEO terms, this means optimizing only what truly matters.
❓ Frequently Asked Questions
Le preload affecte-t-il la vitesse de chargement ?
Oui, s'il est mal utilisé, le preload peut ralentir le navigateur en surchargeant ses ressources.
Qu'est-ce que le contenu critique du viewport initial ?
C'est le contenu visible immédiatement par l'utilisateur lors du chargement initial d'une page.
Comment déterminer si un élément doit être préchargé ?
Évaluez son impact sur l'expérience utilisateur et s'il contribue à une interaction rapide.
🎥 From the same video 14
Other SEO insights extracted from this same Google Search Central video · published on 05/10/2021
🎥 Watch the full video on YouTube →
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