Session recording impact WordPress sites

Session-recording tools ranked by performance impact.

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 Session recording impact

Session-recording tools ranked by performance impact.

6
Providers ranked
After min-sites filter
4,526
Sites in sample
Combined across all items
0.05
Best CLS (p75)
Hotjar
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 Hotjar 0.05 86.0%
1,566
2 Microsoft Clarity 0.06 85.6%
2,632
3 Mouseflow 0.06 87.5%
84
4 Smartlook 0.07 85.5%
56
5 Crazy Egg 0.08 82.0%
50
6 Contentsquare 0.08 82.4%
138
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
PostHog Replay 0.1% 46 93% 0.03
Lucky Orange 0% 14 93% 0.04
Mouseflow 0.1% 84 88% 0.06
FullStory 0% 24 87% 0.06
Hotjar 2.5% 1,566 86% 0.05
Microsoft Clarity 4.2% 2,632 86% 0.06
Smartlook 0.1% 56 86% 0.07
Contentsquare 0.2% 138 82% 0.08
Crazy Egg 0.1% 50 82% 0.08
Inspectlet 0% 14 43% 0.23
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

No provider stands out: pass rates sit between 82% and 86%. 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
Microsoft Clarity 4.2%
652.9s
97126ms
860.06
532.4s
252.0s
Hotjar 2.5%
682.7s
97118ms
860.05
562.3s
291.9s
Contentsquare 0.2%
623.0s
98120ms
820.08
532.5s
281.7s
Mouseflow 0.1%
642.9s
99116ms
880.06
502.4s
242.1s
Smartlook 0.1%
473.6s
96118ms
860.07
403.0s
152.4s
Crazy Egg 0.1%
672.9s
93127ms
820.08
542.5s
392.0s
PostHog Replay 0.1%
702.8s
92130ms
930.03
642.3s
371.3s
FullStory 0%
742.8s
91107ms
870.06
652.4s
391.4s
Inspectlet 0%
643.2s
100111ms
430.23
572.6s
212.1s
Lucky Orange 0%
792.4s
89136ms
930.04
712.0s
501.3s
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.

Microsoft Clarity leads on CLS: 86% of its sites pass. Contentsquare trails at 82%. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Search (6) → JS libraries (26) → Scheduling (3) → Push notifications (5) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured