1
At a glance the headline numbers for Personalization impact
Performance impact by personalization provider.
2
Providers ranked
After min-sites filter
8,167
Sites in sample
Combined across all items
2.0s
Best LCP (p75)
Algolia Recommend
The State of Web Vitals · Q1 2026 · 94,910 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% | 6,936 | |
| 2 | Elfsight | 2.1s | 85.1% | 1,231 |
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
Algolia Recommend 7.3% 6,936 2.0s
Nosto 0% 30 2.0s
Elfsight 1.3% 1,231 2.1s
Klevu 0% 17 2.4s
Dynamic Yield 0% 37 2.7s
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 · Q1 2026 · 94,910 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 7.3%
872.0s
9968ms
770.10
821.5s
641.1s
Elfsight 1.3%
852.1s
10073ms
750.11
821.5s
601.2s
Dynamic Yield 0%
702.7s
82195ms
600.19
671.9s
571.4s
Nosto 0%
852.0s
100114ms
560.20
821.4s
62888ms
Klevu 0%
812.4s
10099ms
560.22
751.5s
63871ms
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 · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (22) → Tag managers (8) → A/B testing (10) → Chat & messaging (16) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured
Chrome field data from 94,910 sites, representing millions of real page loads. How we measured.