calibre, 18 days ago

⚡ There are several common reasons why your Cumulative Layout Shift might not be fast:

🔹 Images, ads, iframes and embeds without specified dimensions
🔹 Unoptimised webfont delivery and display
🔹 Inefficient CSS animations
🔹 Late-injected JavaScript content

#webperf #perfmatters

https://calibreapp.com/blog/cumulative-layout-shift