The Windows freeware “PNGGauntlet” that can compress PNGs losslessly seems convenient, so taking notes.

・Download: PNGGauntlet - PNG Compression Software | BenHollis.net

・Reference: PNGを無劣化で圧縮できるWindowsソフト「PNGGauntlet」:phpspot開発日誌

To improve website loading speed, it’s necessary to make efforts like reducing image sizes as much as possible.

That’s all from the Gemba regarding PNG compression tools.