Mistral AI Core Web Vitals
How real Chrome users experience mistral.ai, from Google's Chrome UX Report: the 75th percentile of visits on every device.
Mistral AI fails Core Web Vitals
Sep 26 – Oct 23, all devices
INP
101 ms
Good
LCP
2.9 s
Needs improvement
CLS
0.08
Good
FCP
795 ms
Good
TTFB
399 ms
Good
INP over time
Weekly p75. The dashed line is the 200 ms "good" threshold.
What the numbers say
- Mistral AI fails Core Web Vitals on Largest Contentful Paint (2.9 s, good is 2.5 s or less).
- Time to first byte is 399 ms, so most of the LCP time is spent after the first byte: loading the main image, fonts or scripts.
- Among 10 ai sites we track, Mistral AI has the 8th fastest LCP.
- INP has held steady around 102 ms over the last 25 weeks.
Keep a site like this from getting slower
Real-user data shows a regression weeks after it ships. Vitalgate runs Lighthouse on every pull request and fails the check when a change breaks budgets like these: LCP ≤ 2.9 s, CLS ≤ 0.10, FCP ≤ 1.8 s.
Other ai sites
| Site | Core Web Vitals | LCP | INP | CLS |
|---|---|---|---|---|
| OpenAI | Fails | 2.9 s | 219 ms | 0.00 |
| ChatGPT | Fails | 4.2 s | 669 ms | 0.17 |
| Anthropic | Passes | 1.4 s | 67 ms | 0.00 |
| Claude | Fails | 2.7 s | 157 ms | 0.01 |
| Hugging Face | Passes | 1.1 s | 51 ms | 0.00 |
| Perplexity | Fails | 4.6 s | 353 ms | 0.03 |
| Midjourney | Fails | 2.7 s | 223 ms | 0.00 |
| Replicate | Passes | 2.4 s | 73 ms | 0.08 |
| Groq | Passes | 1.1 s | 95 ms | 0.00 |