First Input Delay (FID): Impact on Search Performance

Measures input latency. Delay before the browser processes the first user interaction.

Global Average
0.32 ms
Good Threshold
< 100 ms
Correlation
Insufficient
Sample Size
20,755

Search Impressions by FID Range

How search visibility changes as FID gets slower

Click-Through Rate by FID Range

Average CTR for pages in each FID bucket

Average Position by FID Range

Where pages rank based on their FID performance

Resource Budget by FID Range

Average resource sizes for pages in each performance bucket

FID Range JS CSS Images Total
< 50ms 1,136 KB 107 KB 869 KB 2,563 KB

FID by Page Type

Page Type Avg. FID Pages Rating
Static Page 0.1 ms 73 Good
Article / Blog Post 0.25 ms 362 Good
Product Page 0.25 ms 789 Good
Category Page 0.26 ms 165 Good
FAQ Page 0.26 ms 75 Good

Frequently Asked Questions

Is FID still relevant?

FID was replaced by INP as a Core Web Vital in March 2024. However, FID data is still collected and can provide insights into first-interaction responsiveness.

Other Metrics

LCP CLS INP FCP TTFB SI

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