diff --git a/site/docs/4.1/examples/index.html b/site/docs/4.1/examples/index.html
index fbff34ad5c32f222046e34ab7dd91a1e73b103c8..5b358cd403f57dbcc6ec9365b84fbb7e29664f57 100644
--- a/site/docs/4.1/examples/index.html
+++ b/site/docs/4.1/examples/index.html
@@ -15,7 +15,9 @@ redirect_from:
{% if forloop.first %}<div class="row">{% endif %}
<div class="col-sm-6 col-md-4 col-xl-3 mb-3">
<a href="{{ site.baseurl }}/docs/{{ site.docs_version }}/examples/{{ example.name | slugify }}/">
- <img class="img-thumbnail mb-3" src="{{ site.baseurl }}/docs/{{ site.docs_version }}/examples/screenshots/{{ example.name | slugify }}.png" alt="{{ example.name }} screenshot" width="960" height="600">
+ <img class="img-thumbnail mb-3" srcset="{{ site.baseurl }}/docs/{{ site.docs_version }}/examples/screenshots/{{ example.name | slugify }}.png,
+ {{ site.baseurl }}/docs/{{ site.docs_version }}/examples/screenshots/{{ example.name | slugify }}@2x.png 2x"
+ src="{{ site.baseurl }}/docs/{{ site.docs_version }}/examples/screenshots/{{ example.name | slugify }}.png" alt="{{ example.name }} screenshot" width="480" height="300">
<h5 class="mb-1">{{ example.name }}</h5>
</a>
<p class="text-muted">{{ example.description }}</p>
diff --git a/site/docs/4.1/examples/screenshots/album.png b/site/docs/4.1/examples/screenshots/album.png
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diff --git a/site/docs/4.1/examples/screenshots/blog.png b/site/docs/4.1/examples/screenshots/blog.png
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diff --git a/site/docs/4.1/examples/screenshots/carousel.png b/site/docs/4.1/examples/screenshots/carousel.png
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diff --git a/site/docs/4.1/examples/screenshots/checkout.png b/site/docs/4.1/examples/screenshots/checkout.png
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diff --git a/site/docs/4.1/examples/screenshots/cover.png b/site/docs/4.1/examples/screenshots/cover.png
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diff --git a/site/docs/4.1/examples/screenshots/dashboard.png b/site/docs/4.1/examples/screenshots/dashboard.png
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diff --git a/site/docs/4.1/examples/screenshots/floating-labels.png b/site/docs/4.1/examples/screenshots/floating-labels.png
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diff --git a/site/docs/4.1/examples/screenshots/jumbotron.png b/site/docs/4.1/examples/screenshots/jumbotron.png
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diff --git a/site/docs/4.1/examples/screenshots/navbar-bottom.png b/site/docs/4.1/examples/screenshots/navbar-bottom.png
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