Website Audit & UX

Article Reading Time & Word Count Calculator

Editorial essays, guides, and documentation.

Benchmarks:Landing Page Hero & BodyLong-Form Article

Reading Time & Scroll Fatigue Calculator

iPhone 15 Viewport (390×844px)
Reading TimeAverage
15s
At 225 WPM average reader speed
Mobile Screen SwipesLow Fatigue
~0.5
Usable 650px vertical screen lengths
Estimated Content HeightMobile Rendered
253px
~8 mobile text lines
Recommended Visual BreaksGood Flow
0
Images, badges, or subheads needed

Minimal Scroll Fatigue

Content fits comfortably within 1–2 screens. High reader retention.

Reading Speed Breakdown:

Slow (180 WPM): ~0.3 minutes
Average (225 WPM): ~0.3 minutes
Fast Skim (300 WPM): ~0.2 minutes
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Methodology & Grounded Benchmarks

How is mobile scroll depth calculated?

We model a standard modern smartphone viewport (390px × 844px, like iPhone 15/16) with ~650px usable vertical viewing area. With 16px body copy at 1.6 line-height (~25.6px per line), content height is calculated based on line count and paragraph spacing to estimate the exact number of viewport swipes.

What is mobile scroll fatigue?

Scroll fatigue occurs when a mobile user scrolls through more than 3 to 4 screens of unbroken text without encountering a visual anchor, diagram, testimonial, or conversion button. Over 65% of mobile visitors abandon pages exhibiting high scroll fatigue.