Email marketing impact Wix sites

Performance impact by email_marketing provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · Wix sites only
Metric LCP INP CLS
Wix Scoped to 5,623 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for Email marketing impact

Performance impact by email_marketing provider.

—
Items
No data this edition
—
Sample
—
Best CLS
The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites

No data above the minimum sample threshold this edition.

The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
HubSpot 0.4% 20 100% 0.00
Mailchimp 0.2% 12 100% 0.00
Klaviyo 0.2% 9 89% 0.01
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good CLS (0.1 at p75) · one value per site
The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
4

All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75

LCP
INP
CLS
FCP
TTFB
HubSpot 0.4%
951.8s
10081ms
1000.00
951.3s
72886ms
Mailchimp 0.2%
752.5s
100107ms
1000.00
672.1s
501.9s
Klaviyo 0.2%
891.7s
89121ms
890.01
89882ms
78710ms
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites

One row per provider, one column per vital - the cell is the share of sites passing, the small number the p75. No toggling needed to see where the category actually differs.

The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Font services (4) → Session recording (11) → CMS (17) → Search (6) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured