To measure the effectiveness of your optimized images, track these key metrics:
Open Rates: Higher open rates can indicate that optimized images are contributing to a better first impression. Click-Through Rates (CTR): Monitor CTR to see if optimized images are encouraging more engagement. Conversion Rates: Track conversions to understand if optimized images are leading to desired actions. Load Times: Use tools like Google PageSpeed Insights to measure the impact of image optimization on load times.