Image CDNs impact Shopify sites

Performance impact by image_cdn provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · Shopify sites only
Metric LCP INP CLS
Shopify Scoped to 8,248 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for Image CDNs impact

Performance impact by image_cdn provider.

4
Providers ranked
After min-sites filter
2,207
Sites in sample
Combined across all items
135ms
Best INP (p75)
Bunny Image Optimizer
The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 Bunny Image Optimizer 135ms 93.5%
1,569
2 Imgix 138ms 95.0%
312
3 Akamai Image Manager 145ms 90.6%
262
4 Uploadcare 154ms 92.0%
64
The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Thumbor 0.1% 7 100% 151ms
imgix 3.8% 312 95% 138ms
Bunny Image Optimizer 19% 1,569 94% 135ms
Uploadcare 0.8% 64 92% 154ms
Akamai Image Manager 3.2% 262 91% 145ms
Cloudinary 0.1% 11 80% 172ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

No provider stands out: pass rates sit between 91% and 95%. computed

The State of Web Vitals · October 2026 · Shopify sites (8,248) · 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
Bunny Image Optimizer 19%
951.8s
94135ms
910.03
951.2s
96527ms
imgix 3.8%
971.7s
95138ms
960.03
971.2s
96526ms
Akamai Image Manager 3.2%
951.8s
91145ms
910.04
951.2s
96512ms
Uploadcare 0.8%
922.0s
92154ms
970.03
941.3s
91559ms
Cloudinary 0.1%
911.9s
80172ms
910.04
1001.4s
82646ms
Thumbor 0.1%
862.4s
100151ms
1000.08
861.5s
83581ms
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.

imgix leads on INP: 95% of its sites pass. Akamai Image Manager trails at 91%. computed

The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Search (6) → Font services (4) → Personalization (6) → CDN (16) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured