diff --git a/src/eleventy-config/transforms.js b/src/eleventy-config/transforms.js
index 4724bb1e..44d4a520 100644
--- a/src/eleventy-config/transforms.js
+++ b/src/eleventy-config/transforms.js
@@ -233,6 +233,9 @@ export default function(eleventyConfig) {
         eleventyConfig.addTransform('htmlmin', (content, outputPath) => {
             if (outputPath && outputPath.endsWith('.html')) {
                 return htmlmin.minify(content, {
+                    collapseWhitespace: true,
+                    collapseInlineTagWhitespace: true,
+                    conservativeCollapse: true,
                     minifyJS: true,
                     minifyCSS: true,
                 });