1
At a glance the headline numbers for Personalization impact
Performance impact by personalization provider.
4
Providers ranked
After min-sites filter
17,350
Sites in sample
Combined across all items
2.2s
Best LCP (p75)
Algolia Recommend
The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Algolia Recommend | 2.2s | 81.7% | 14,660 | |
| 2 | Elfsight | 2.3s | 80.9% | 2,565 | |
| 3 | Nosto | 2.5s | 73.1% | 56 | |
| 4 | Dynamic Yield | 2.7s | 67.8% | 69 |
The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
Algolia Recommend 6.9% 14,660 2.2s
Elfsight 1.2% 2,565 2.3s
Nosto 0% 56 2.5s
Klevu 0% 26 2.5s
Dynamic Yield 0% 69 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 81% and 82%. computed
The State of Web Vitals · October 2026 · 212,308 crawled sites · phone 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%
822.2s
92137ms
870.03
761.8s
611.1s
Elfsight 1.2%
812.3s
93129ms
870.03
751.8s
601.2s
Dynamic Yield 0%
682.7s
42313ms
660.19
711.9s
641.0s
Nosto 0%
732.5s
86180ms
750.10
751.7s
571.2s
Klevu 0%
722.5s
88169ms
560.20
721.8s
60920ms
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: 82% of its sites pass. Elfsight trails at 81%. computed
The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (26) → Tag managers (8) → A/B testing (12) → Chat & messaging (17) → 212,308 crawled sites with Chrome field data, representing millions of real page loads · How we measured
212,308 crawled sites with Chrome field data, representing millions of real page loads. How we measured.