What's a good Page Size?
Karbon Agency's target for Page Size is 1.50 or lower. That is Karbon's own grading target, not a published industry average. Total transfer size of all page resources. Excellent is 0.80 or lower (Karbon target), and the minimum acceptable tier is 3 or lower (Karbon target).
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The three tiers Karbon grades against — and where each comes from
| Tier | Value | What it means | Basis |
|---|---|---|---|
| Minimum | 3 | The floor. Below this, something is broken. | Karbon target |
| Recommended | 1.50 | The tier a healthy campaign should hit. | Karbon target |
| Excellent | 0.80 | Top-tier performance worth defending. | Karbon target |
Lower is better for this metric.
Why Page Size matters
Page weight directly impacts load time, especially on mobile networks. Every MB adds roughly 1 second on a 3G connection, killing conversion rates.
Sources
The three tiers on this page are Karbon Agency's grading targets. These published figures are the outside reference points for Page Size, so you can check our tiers against them.
- HTTP Archive — Web Almanac 2024 — Page Weight (December 30, 2024; read September 26, 2026)Median home-page weight measured in October 2024: 2,311 KB on mobile and 2,652 KB on desktop.
Where does your Page Size land?
Karbon Agency grades every client campaign against these exact tiers, live on a dashboard — no guessing, no quarterly PDFs.