diff --git a/templates/repo/issue/view_content/comments.tmpl b/templates/repo/issue/view_content/comments.tmpl
index 2e9ba3dcd7..3bc4cd0773 100644
--- a/templates/repo/issue/view_content/comments.tmpl
+++ b/templates/repo/issue/view_content/comments.tmpl
@@ -634,7 +634,7 @@
 			<div class="timeline-item-group">
 				<div class="timeline-item event" id="{{.HashTag}}">
 					<a class="timeline-avatar"{{if gt .Poster.ID 0}} href="{{.Poster.HomeLink}}"{{end}}>
-						<img src="{{.Poster.AvatarLink $.Context}}" alt="" width="40" height="40">
+						<img src="{{.Poster.AvatarLink $.Context}}" alt="" width="40" height="40" loading="lazy">
 					</a>
 					<span class="badge grey">{{svg "octicon-x" 16}}</span>
 					<span class="text grey muted-links">
diff --git a/templates/user/dashboard/feeds.tmpl b/templates/user/dashboard/feeds.tmpl
index d0ecb1fc36..cdf0429714 100644
--- a/templates/user/dashboard/feeds.tmpl
+++ b/templates/user/dashboard/feeds.tmpl
@@ -90,7 +90,7 @@
 					<div class="tw-flex tw-flex-col tw-gap-1">
 						{{range $push.Commits}}
 							<div class="flex-text-block">
-								<img class="ui avatar" src="{{$push.AvatarLink $.Context .AuthorEmail}}" alt="" title="{{.AuthorName}}" width="16" height="16">
+								<img class="ui avatar" src="{{$push.AvatarLink $.Context .AuthorEmail}}" alt="" title="{{.AuthorName}}" width="16" height="16" loading="lazy">
 								{{template "repo/shabox" (dict
 									"sha1" .Sha1
 									"commitLink" (printf "%s/commit/%s" $repoLink .Sha1)
diff --git a/web_src/js/components/RepoContributors.vue b/web_src/js/components/RepoContributors.vue
index 07ad336cf7..5e03019ef1 100644
--- a/web_src/js/components/RepoContributors.vue
+++ b/web_src/js/components/RepoContributors.vue
@@ -391,7 +391,7 @@ export default {
         <div class="ui top attached header tw-flex tw-flex-1">
           <b class="ui right">#{{ index + 1 }}</b>
           <a :href="contributor.home_link">
-            <img class="ui avatar tw-align-middle" height="40" width="40" :src="contributor.avatar_link" alt="">
+            <img class="ui avatar tw-align-middle" height="40" width="40" :src="contributor.avatar_link" alt="" loading="lazy">
           </a>
           <div class="tw-ml-2">
             <a v-if="contributor.home_link !== ''" :href="contributor.home_link"><h4>{{ contributor.name }}</h4></a>