1
At a glance the headline numbers for Personalization impact
Performance impact by personalization provider.
4
Providers ranked
After min-sites filter
15,479
Sites in sample
Combined across all items
2.0s
Best LCP (p75)
Algolia Recommend
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Algolia Recommend | 2.0s | 86.9% | 13,065 | |
| 2 | Elfsight | 2.1s | 84.8% | 2,298 | |
| 3 | Dynamic Yield | 2.2s | 78.0% | 65 | |
| 4 | Nosto | 2.3s | 77.8% | 51 |
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
Algolia Recommend 6.9%
13,065
2.0s
Elfsight 1.2%
2,298
2.1s
Klevu 0%
26
2.4s
Dynamic Yield 0%
65
2.2s
Nosto 0%
51
2.3s
Good
Needs Improvement
Poor
Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site
No provider stands out: pass rates sit between 85% and 87%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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
Algolia Recommend 6.9%
872.0s
9969ms
770.10
831.5s
641.1s
Elfsight 1.2%
852.1s
10072ms
730.11
811.6s
591.2s
Dynamic Yield 0%
782.2s
83188ms
640.13
761.5s
68985ms
Nosto 0%
782.3s
100106ms
600.17
781.6s
551.1s
Klevu 0%
802.4s
100100ms
640.13
801.5s
60845ms
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.
Algolia Recommend leads on LCP: 87% of its sites pass. Elfsight trails at 85%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals
JS libraries (23) →
Tag managers (8) →
A/B testing (10) →
Chat & messaging (17) →
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.