Tech CalculatorsMay 10, 2026•Priya Mehta
Optimising Images for the Web: File Sizes, Formats and Loading Speed
Your website loads slowly. The images are almost certainly responsible. Here's a practical guide to file sizes, formats, and the download time calculations that reveal what's actually happening.
Read ArticleTech CalculatorsApr 18, 2026•Sarah Holloway
How to Calculate Download Time Accurately
Download managers give wildly inconsistent time estimates. Here's how download time is actually calculated — and why the estimates are often wrong.
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