Email marketing impact Wix sites

Performance impact by email_marketing provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Desktop 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.

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Items
No data this edition
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Sample
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Best LCP
The State of Web Vitals · October 2026 · Wix sites (5,623) · desktop field datacorewebvitals.io/state-of-cwv
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The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites

No data above the minimum sample threshold this edition.

The State of Web Vitals · October 2026 · Wix sites (5,623) · desktop field datacorewebvitals.io/state-of-cwv
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Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
HubSpot 0.4% 20 100% 1.5s
Mailchimp 0.2% 12 75% 2.5s
Klaviyo 0.2% 9 75% 2.1s
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site
The State of Web Vitals · October 2026 · Wix sites (5,623) · desktop field datacorewebvitals.io/state-of-cwv
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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%
1001.5s
10044ms
1000.01
100793ms
83642ms
Mailchimp 0.2%
752.5s
10054ms
1000.01
502.1s
252.4s
Klaviyo 0.2%
752.1s
10074ms
500.22
1001.1s
75884ms
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) · desktop 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