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
16,635
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Lucky Orange
The State of Web Vitals · October 2026 · 210,902 crawled 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 | 86.5% | 91 | |
| 2 | FullStory | 0.05 | 81.9% | 307 | |
| 3 | Crazy Egg | 0.06 | 83.2% | 210 | |
| 4 | PostHog Replay | 0.06 | 87.5% | 313 | |
| 5 | Hotjar | 0.06 | 83.7% | 4,905 | |
| 6 | Microsoft Clarity | 0.06 | 84.6% | 9,633 | |
| 7 | Smartlook | 0.07 | 86.5% | 175 | |
| 8 | Mouseflow | 0.07 | 82.9% | 328 | |
| 9 | Contentsquare | 0.09 | 77.4% | 673 |
The State of Web Vitals · October 2026 · 210,902 crawled 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% 313 0.06
Smartlook 0.1% 175 0.07
Lucky Orange 0% 91 0.04
Microsoft Clarity 4.6% 9,633 0.06
Hotjar 2.3% 4,905 0.06
Crazy Egg 0.1% 210 0.06
Mouseflow 0.2% 328 0.07
FullStory 0.1% 307 0.05
Inspectlet 0% 40 0.08
Contentsquare 0.3% 673 0.09
LogRocket 0% 31 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 11 points behind. computed
The State of Web Vitals · October 2026 · 210,902 crawled 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
Microsoft Clarity 4.6%
802.3s
92140ms
850.06
741.8s
541.2s
Hotjar 2.3%
782.4s
93136ms
840.06
721.9s
531.3s
Contentsquare 0.3%
702.7s
84169ms
770.09
731.9s
561.2s
Mouseflow 0.2%
772.4s
94136ms
830.07
721.9s
581.3s
PostHog Replay 0.1%
782.4s
88150ms
880.06
691.9s
441.3s
FullStory 0.1%
822.2s
90114ms
820.05
831.6s
641.0s
Crazy Egg 0.1%
772.4s
92134ms
830.06
741.9s
541.3s
Smartlook 0.1%
762.5s
93137ms
870.07
632.2s
471.3s
Lucky Orange 0%
872.0s
95122ms
870.04
831.5s
75772ms
Inspectlet 0%
832.1s
97131ms
780.08
751.8s
591.1s
LogRocket 0%
533.1s
78179ms
600.19
571.9s
601.1s
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 77%. computed
The State of Web Vitals · October 2026 · 210,902 crawled sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Search (6) → JS libraries (26) → Scheduling (3) → Push notifications (5) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured
210,902 crawled sites with Chrome field data, representing millions of real page loads. How we measured.