Chat & messaging impact WordPress sites

Performance impact by chat provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · WordPress sites only
Metric LCP INP CLS
WordPress Scoped to 63,295 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for Chat & messaging impact

Performance impact by chat provider.

7
Providers ranked
After min-sites filter
1,542
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Crisp
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Crisp 0.04 93.3%
95
2 Smartsupp 0.06 93.2%
62
3 Zendesk Chat 0.06 85.5%
126
4 Tidio 0.08 82.4%
206
5 HubSpot Chat 0.08 79.8%
547
6 Tawk.to 0.12 73.1%
384
7 LiveChat 0.19 59.5%
122
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Drift 0% 7 100% 0.04
Crisp 0.2% 95 93% 0.04
Chatwoot 0% 15 93% 0.04
Smartsupp 0.1% 62 93% 0.06
Intercom 0% 26 92% 0.06
Olark 0% 10 90% 0.00
Help Scout Beacon 0% 8 88% 0.06
Zendesk Chat 0.2% 126 86% 0.06
Tidio 0.3% 206 82% 0.08
HubSpot Chat 0.9% 547 80% 0.08
tawk.to 0.6% 384 73% 0.12
Freshchat 0% 6 67% 0.11
LiveChat 0.2% 122 60% 0.19
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

86% of Zendesk Chat sites pass CLS. LiveChat trails 26 points behind, leaving 40% of its sites failing. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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 Chat 0.9%
632.9s
98112ms
800.08
532.4s
271.9s
tawk.to 0.6%
543.3s
97139ms
730.12
442.8s
202.2s
Tidio 0.3%
523.4s
99108ms
820.08
452.8s
262.1s
Zendesk Chat 0.2%
642.8s
97105ms
860.06
512.5s
361.9s
LiveChat 0.2%
573.1s
97119ms
600.19
482.7s
282.1s
Crisp 0.2%
603.0s
97113ms
930.04
512.5s
221.9s
Smartsupp 0.1%
633.1s
100111ms
930.06
472.6s
282.2s
Intercom 0%
543.8s
84124ms
920.06
543.0s
292.6s
Chatwoot 0%
672.6s
100123ms
930.04
732.0s
471.5s
Olark 0%
603.7s
100124ms
900.00
602.8s
332.4s
Help Scout Beacon 0%
752.3s
100121ms
880.06
502.1s
381.8s
Drift 0%
1001.7s
10094ms
1000.04
861.5s
171.2s
Freshchat 0%
672.6s
100114ms
670.11
672.2s
501.6s
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.

Zendesk Chat leads on CLS: 86% of its sites pass. LiveChat trails at 60%. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Customer data platforms (6) → Font services (4) → A/B testing (12) → RUM (14) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured