Question 1

Which ai site has the fastest Core Web Vitals?

Accepted Answer

huggingface.co ranks #1 by LCP at 1126ms. Ranking includes 10 sites in this industry. Source: Google CrUX p75 field data (28-day trailing window).

Question 2

How many ai sites have "good" LCP?

Accepted Answer

2 of 7 sites with CrUX data meet Google's "good" LCP threshold of 2,500ms or less. Of 10 total sites tracked, 3 have insufficient data (too small for CrUX anonymization).

Question 3

Which ai site is slowest?

Accepted Answer

perplexity.ai ranks last by LCP among the 10 sites with sufficient data. Slow LCP indicates main-content render delays; common causes include large images, render-blocking JS, slow server response.

Question 4

How is this ai ranking calculated?

Accepted Answer

Ranking is by LCP (Largest Contentful Paint) ascending — fastest first. LCP is one of three Core Web Vitals Google uses as a ranking signal. All measurements are p75 from Google CrUX, real Chrome user field data, 28-day trailing window. Sites without enough data appear last.

#	Domain	LCP	INP	CLS
1	huggingface.co	1126ms	52ms	0.01
2	replicate.com	2286ms	77ms	0.08
3	openai.com	2749ms	229ms	0.00
4	google.com	3076ms	87ms	0.00
5	elevenlabs.io	3561ms	692ms	0.00
6	stability.ai	5763ms	101ms	0.00
7	character.ai	9950ms	420ms	0.65
8	anthropic.com	—	—	—
9	midjourney.com	—	—	—
10	perplexity.ai	—	—	—

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