Automatic image resizing is enabled by default for HubSpot-hosted content. This optimizes images to fit the screen they're viewed on, which can decrease browser load-time and improve Google PageSpeed score. Any image with height and width attributes defined in the <img> tag get resized.
You can disable automatic image resizing on an individual image by adding the following query parameter to the image URL in the HTML code:
For example, the following image will be resized on the page because the height and width attributes are set in the <img> tag in the HTML: