LCP Overview
Largest Contentful Paint is the load-time metric that most closely matches what shoppers see.
What is LCP
It's how long it takes for the largest piece of content to display. For all intents and purposes - the load time of your page.
| Not LCP | Is LCP (biggest thing on page has loaded) |
|---|---|
 |  |
How to know if its a problem on your PDPs
Just because your LCP number is not high, does NOT mean your page load is fast. Often these tools can be inaccurate. Trust your gut - look at the load video yourself. We are selling to people - not bots. Perception > Metrics.
Good for quick checking:
Shopify Reports - CLICK HERE
Good for a visual inspection (more accurate):
Fastersite.ai - CLICK HERE
Why is it important?
For every 100ms delay, you lose 3.5% CVR.
This has a higher impact on smaller stores (less traffic), but a larger monetary impact or bigger stores.
Shopify - Performance Report (2026) - LINK
Google - Milliseconds Make Millions (2020) - LINK
Shopify enterprise performance report 2026
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