PhotoShop export as JPG at 100%, 80%, 60%, 30%
According to Adobe, saving at 100% is indistinguishable from the original when viewed on a screen (but will be noticeably less crisp when printed).
weather-in-aotearoa-01-orig-390kb
weather-in-aotearoa-01-quality-100-408kb
weather-in-aotearoa-01-quality-80-164kb.jpg
weather-in-aotearoa-01-quality-60-86kb.jpg
weather-in-aotearoa-01-quality-30-41kb.jpg
