Session recording impact
Session-recording tools ranked by performance impact.
1
At a glance the headline numbers for Session recording impact
Session-recording tools ranked by performance impact.
9
Providers ranked
After min-sites filter
14,834
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Lucky Orange
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Lucky Orange | 0.04 | 85.5% | 78 | |
| 2 | FullStory | 0.06 | 81.2% | 272 | |
| 3 | Crazy Egg | 0.06 | 84.2% | 185 | |
| 4 | PostHog Replay | 0.06 | 87.7% | 283 | |
| 5 | Hotjar | 0.06 | 83.6% | 4,467 | |
| 6 | Microsoft Clarity | 0.06 | 84.2% | 8,491 | |
| 7 | Smartlook | 0.07 | 86.7% | 162 | |
| 8 | Mouseflow | 0.07 | 82.8% | 304 | |
| 9 | Contentsquare | 0.09 | 77.6% | 592 |
The State of Web Vitals · Q2 2026 · 189,915 sites · 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% 283 0.06
Smartlook 0.1% 162 0.07
Lucky Orange 0% 78 0.04
Microsoft Clarity 4.5% 8,491 0.06
Crazy Egg 0.1% 185 0.06
Hotjar 2.3% 4,467 0.06
Mouseflow 0.2% 304 0.07
FullStory 0.1% 272 0.06
Contentsquare 0.3% 592 0.09
Inspectlet 0% 39 0.09
LogRocket 0% 28 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
88% of PostHog Replay sites pass CLS. Contentsquare trails 10 points behind. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · 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
FullStory 0.1%
802.3s
89114ms
810.06
821.6s
65998ms
Crazy Egg 0.1%
762.5s
92133ms
840.06
741.9s
531.3s
LogRocket 0%
563.4s
83171ms
590.19
562.3s
591.1s
Microsoft Clarity 4.5%
792.3s
93138ms
840.06
731.8s
541.3s
Hotjar 2.3%
782.4s
93135ms
840.06
721.9s
531.3s
Lucky Orange 0%
862.0s
95116ms
860.04
831.6s
74803ms
PostHog Replay 0.1%
782.4s
89146ms
880.06
681.9s
441.4s
Contentsquare 0.3%
702.7s
86166ms
780.09
721.9s
561.2s
Mouseflow 0.2%
782.4s
94135ms
830.07
731.9s
571.3s
Smartlook 0.1%
752.5s
93137ms
870.07
632.2s
451.3s
Inspectlet 0%
852.1s
97130ms
770.09
771.7s
581.1s
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.
PostHog Replay leads on CLS: 88% of its sites pass. Contentsquare trails at 78%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Search (6) → JS libraries (25) → Scheduling (3) → Push notifications (5) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured
Chrome field data from 189,915 sites, representing millions of real page loads. How we measured.