HTML <img> with a data: URI HTML
A HTML snippet for HTML <img> with a data: URI that answers requests for /pixel.gif with the empty GIF, decoded once at startup.
HTML <img> with a data: URI HTML
<!-- Inline transparent spacer / placeholder: no extra HTTP request -->
<img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" width="1" height="1" alt="">
We ran this snippet and compared the bytes it returned.
Official site: HTML <img> with a data: URI