Chat & messaging impact WordPress sites

Performance impact by chat provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Phone 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
0.00
Best CLS (p75)
Smartsupp
The State of Web Vitals · October 2026 · WordPress sites (63,295) · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Smartsupp 0.00 97.6%
62
2 Crisp 0.03 96.5%
95
3 Tidio 0.03 87.2%
206
4 Zendesk Chat 0.05 87.3%
126
5 HubSpot Chat 0.05 82.4%
547
6 Tawk.to 0.07 78.9%
384
7 LiveChat 0.24 60.9%
122
The State of Web Vitals · October 2026 · WordPress sites (63,295) · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Olark 0% 10 100% 0.00
Drift 0% 7 100% 0.02
Smartsupp 0.1% 62 98% 0.00
Crisp 0.2% 95 97% 0.03
Intercom 0% 26 95% 0.05
Chatwoot 0% 15 89% 0.02
Zendesk Chat 0.2% 126 87% 0.05
Tidio 0.3% 206 87% 0.03
Help Scout Beacon 0% 8 86% 0.03
HubSpot Chat 0.9% 547 82% 0.05
tawk.to 0.6% 384 79% 0.07
LiveChat 0.2% 122 61% 0.24
Freshchat 0% 6 33% 0.15
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

87% of Zendesk Chat sites pass CLS. LiveChat trails 26 points behind, leaving 39% of its sites failing. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · phone 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%
583.1s
92153ms
820.05
422.7s
242.0s
tawk.to 0.6%
533.3s
96151ms
790.07
412.8s
192.0s
Tidio 0.3%
443.7s
94143ms
870.03
363.0s
252.3s
Zendesk Chat 0.2%
583.0s
91128ms
870.05
472.7s
352.0s
LiveChat 0.2%
463.7s
92140ms
610.24
343.1s
232.2s
Crisp 0.2%
642.7s
94138ms
970.03
512.4s
241.6s
Smartsupp 0.1%
642.9s
100126ms
980.00
472.5s
271.8s
Intercom 0%
503.3s
80173ms
950.05
522.7s
301.8s
Chatwoot 0%
672.6s
89179ms
890.02
781.8s
441.1s
Olark 0%
573.7s
100127ms
1000.00
573.1s
432.7s
Help Scout Beacon 0%
832.2s
83136ms
860.03
572.0s
291.5s
Drift 0%
1002.2s
75127ms
1000.02
602.1s
01.2s
Freshchat 0%
673.3s
100132ms
330.15
333.1s
332.5s
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.

Tidio leads on CLS: 87% of its sites pass. LiveChat trails at 61%. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · phone 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