diff --git a/www/settings/custom_metrics/fonts.js b/www/settings/custom_metrics/fonts.js.sample
similarity index 100%
rename from www/settings/custom_metrics/fonts.js
rename to www/settings/custom_metrics/fonts.js.sample
diff --git a/www/settings/custom_metrics/generated-content-percent.js b/www/settings/custom_metrics/generated-content-percent.js.sample
similarity index 100%
rename from www/settings/custom_metrics/generated-content-percent.js
rename to www/settings/custom_metrics/generated-content-percent.js.sample
diff --git a/www/settings/custom_metrics/generated-content-size.js b/www/settings/custom_metrics/generated-content-size.js.sample
similarity index 100%
rename from www/settings/custom_metrics/generated-content-size.js
rename to www/settings/custom_metrics/generated-content-size.js.sample
diff --git a/www/settings/custom_metrics/imgs-in-viewport.js b/www/settings/custom_metrics/imgs-in-viewport.js.sample
similarity index 100%
rename from www/settings/custom_metrics/imgs-in-viewport.js
rename to www/settings/custom_metrics/imgs-in-viewport.js.sample
diff --git a/www/settings/custom_metrics/imgs-no-alt.js b/www/settings/custom_metrics/imgs-no-alt.js.sample
similarity index 100%
rename from www/settings/custom_metrics/imgs-no-alt.js
rename to www/settings/custom_metrics/imgs-no-alt.js.sample
diff --git a/www/settings/custom_metrics/imgs-out-viewport.js b/www/settings/custom_metrics/imgs-out-viewport.js.sample
similarity index 100%
rename from www/settings/custom_metrics/imgs-out-viewport.js
rename to www/settings/custom_metrics/imgs-out-viewport.js.sample
diff --git a/www/settings/custom_metrics/meta-viewport.js b/www/settings/custom_metrics/meta-viewport.js.sample
similarity index 100%
rename from www/settings/custom_metrics/meta-viewport.js
rename to www/settings/custom_metrics/meta-viewport.js.sample
diff --git a/www/settings/custom_metrics/possibly-render-blocking-reqs.js b/www/settings/custom_metrics/possibly-render-blocking-reqs.js.sample
similarity index 100%
rename from www/settings/custom_metrics/possibly-render-blocking-reqs.js
rename to www/settings/custom_metrics/possibly-render-blocking-reqs.js.sample
diff --git a/www/settings/custom_metrics/rendered-html.js b/www/settings/custom_metrics/rendered-html.js.sample
similarity index 100%
rename from www/settings/custom_metrics/rendered-html.js
rename to www/settings/custom_metrics/rendered-html.js.sample