CoreWebVitalsPulse results for mailchimp.com
CoreWebVitalsPulse found 6 of 10 signals on mailchimp.com (score 50/100) in an automated read-only check on 2026-10-27. Not detected: HTML under 300 KB; No more than 1 render-blocking script in <head>; Images declare width and height (prevents layout shift).
Automated read-only check of public pages on 2026-10-27; it may be incomplete. mailchimp.com is not affiliated with Zalwin, and this is not a rating of the company or its products. Own this site? Request a correction or removal (handled within 48 hours).
50/100
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What the check found
- ○ HTML under 300 KB 🔒 Copy-paste fix: click to unlock → (medium · not detected)
433 KB of HTML. - ○ No more than 1 render-blocking script in <head> 🔒 Copy-paste fix: click to unlock → (high · not detected)
3 blocking scripts in <head>. - ✓ At most 8 third-party script domains (medium · found)
2: accounts.google.com, cdn.optimizely.com - ✓ At most 20 external scripts (low · found)
7 external scripts. - ✓ Web fonts use font-display: swap (medium · found)
No web fonts found in the HTML. - ○ Images declare width and height (prevents layout shift) 🔒 Copy-paste fix: click to unlock → (high · not detected)
48 of 161 images lack width/height. - ✓ Below-the-fold images lazy-load (medium · found)
106 of 161 images use loading="lazy". - ✓ Preconnect or preload hints for critical third parties (low · found)
3 preconnect, 22 preload. - ✓ Mobile viewport meta tag (medium · found)
Present. - ○ HTML arrives in under 0.8 s 🔒 Copy-paste fix: click to unlock → (medium · not detected)
1899 ms from our server.
✓ Read-only, live public data · Key and unlock right after payment · Card, Apple Pay, Google Pay or Link via Stripe · Refunds on request within 14 days
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A free, read-only check of the page-level causes of poor Core Web Vitals: HTML weight, render-blocking scripts, third-party script load, font loading, image sizing that causes layout shift, lazy loading and resource…
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