lazy load images to reduce strain on large page

distribusi.go

@@ -511,7 +511,7 @@ func getHref(c *cli.Context, fpath string, mtype string) (bool, string, error) {
 				href = fmt.Sprintf("<a class='%s' href=\"%s\">%s</a>", stype, fname, fname)
 			} else {
 				href = fmt.Sprintf(
-					"<figure><a href=\"%s\"><img class='thumbnail' src='data:image/jpg;base64,%s'></a><figcaption>%s</figcaption></figure>",
+					"<figure><a href=\"%s\"><img class='thumbnail' loading='lazy' src='data:image/jpg;base64,%s'></a><figcaption>%s</figcaption></figure>",
 					fname, thumb, caption,
 				)
 			}