diff --git a/_sitemap/sitemap.xml b/_sitemap/sitemap.xml
index da6f0084286..034ff7ad39e 100644
--- a/_sitemap/sitemap.xml
+++ b/_sitemap/sitemap.xml
@@ -1,314 +1,314 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+<urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9">
    <url>
-      <loc>http://matplotlib.org/stable/</loc>
+      <loc>https://matplotlib.org/stable/</loc>
       <changefreq>monthly</changefreq>
       <priority>1.0</priority>
    </url>
    <!-- Update and move down for release -->
    <url>
-      <loc>http://matplotlib.org/3.8.0</loc>
+      <loc>https://matplotlib.org/3.8.0</loc>
       <changefreq>monthly</changefreq>
       <priority>0.5</priority>
    </url>
 
    <url>
-      <loc>http://matplotlib.org/devdocs/</loc>
+      <loc>https://matplotlib.org/devdocs/</loc>
       <changefreq>daily</changefreq>
       <priority>0.9</priority>
    </url>
 
    <!-- Packages -->
    <url>
-      <loc>http://matplotlib.org/matplotblog/</loc>
+      <loc>https://matplotlib.org/matplotblog/</loc>
       <changefreq>weekly</changefreq>
       <priority>1.0</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/basemap/</loc>
+      <loc>https://matplotlib.org/basemap/</loc>
       <changefreq>monthly</changefreq>
       <priority>0.5</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/cycler/</loc>
+      <loc>https://matplotlib.org/cycler/</loc>
       <changefreq>monthly</changefreq>
       <priority>1.0</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/pytest-mpl/</loc>
+      <loc>https://matplotlib.org/pytest-mpl/</loc>
       <changefreq>monthly</changefreq>
       <priority>1.0</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/mpl-altair/</loc>
+      <loc>https://matplotlib.org/mpl-altair/</loc>
       <changefreq>monthly</changefreq>
       <priority>0.5</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/mpl-bench/</loc>
+      <loc>https://matplotlib.org/mpl-bench/</loc>
       <changefreq>weekly</changefreq>
       <priority>0.5</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/mpl-probscale/</loc>
+      <loc>https://matplotlib.org/mpl-probscale/</loc>
       <changefreq>monthly</changefreq>
       <priority>1.0</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/cmocean/</loc>
+      <loc>https://matplotlib.org/cmocean/</loc>
       <changefreq>monthly</changefreq>
       <priority>1.0</priority>
    </url>
 
    <!-- Old releases -->
    <url>
-      <loc>http://matplotlib.org/3.7.3</loc>
+      <loc>https://matplotlib.org/3.7.3</loc>
       <changefreq>monthly</changefreq>
       <priority>0.4</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.7.2</loc>
+      <loc>https://matplotlib.org/3.7.2</loc>
       <changefreq>monthly</changefreq>
       <priority>0.4</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.7.1</loc>
+      <loc>https://matplotlib.org/3.7.1</loc>
       <changefreq>monthly</changefreq>
       <priority>0.4</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.7.0</loc>
+      <loc>https://matplotlib.org/3.7.0</loc>
       <changefreq>monthly</changefreq>
       <priority>0.4</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.6.3</loc>
+      <loc>https://matplotlib.org/3.6.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.3</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.6.2</loc>
+      <loc>https://matplotlib.org/3.6.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.3</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.6.1</loc>
+      <loc>https://matplotlib.org/3.6.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.3</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.6.0</loc>
+      <loc>https://matplotlib.org/3.6.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.3</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.5.3</loc>
+      <loc>https://matplotlib.org/3.5.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.2</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.5.2</loc>
+      <loc>https://matplotlib.org/3.5.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.2</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.5.1</loc>
+      <loc>https://matplotlib.org/3.5.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.2</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.5.0</loc>
+      <loc>https://matplotlib.org/3.5.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.2</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.4.3</loc>
+      <loc>https://matplotlib.org/3.4.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.4.2</loc>
+      <loc>https://matplotlib.org/3.4.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.4.1</loc>
+      <loc>https://matplotlib.org/3.4.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.4.0</loc>
+      <loc>https://matplotlib.org/3.4.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.3.4</loc>
+      <loc>https://matplotlib.org/3.3.4</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.3.3</loc>
+      <loc>https://matplotlib.org/3.3.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.3.2</loc>
+      <loc>https://matplotlib.org/3.3.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.3.1</loc>
+      <loc>https://matplotlib.org/3.3.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.3.0</loc>
+      <loc>https://matplotlib.org/3.3.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.2.2</loc>
+      <loc>https://matplotlib.org/3.2.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.2.1</loc>
+      <loc>https://matplotlib.org/3.2.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.1.3</loc>
+      <loc>https://matplotlib.org/3.1.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.1.2</loc>
+      <loc>https://matplotlib.org/3.1.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.1.1</loc>
+      <loc>https://matplotlib.org/3.1.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.1.0</loc>
+      <loc>https://matplotlib.org/3.1.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.0.2</loc>
+      <loc>https://matplotlib.org/3.0.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.0.3</loc>
+      <loc>https://matplotlib.org/3.0.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/3.0.0</loc>
+      <loc>https://matplotlib.org/3.0.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.2.5</loc>
+      <loc>https://matplotlib.org/2.2.5</loc>
       <changefreq>yearly</changefreq>
       <priority>0.5</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.2.4</loc>
+      <loc>https://matplotlib.org/2.2.4</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.2.3</loc>
+      <loc>https://matplotlib.org/2.2.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.2.2</loc>
+      <loc>https://matplotlib.org/2.2.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.2.0</loc>
+      <loc>https://matplotlib.org/2.2.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.1.0</loc>
+      <loc>https://matplotlib.org/2.1.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.1.1</loc>
+      <loc>https://matplotlib.org/2.1.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.1.2</loc>
+      <loc>https://matplotlib.org/2.1.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.0.2</loc>
+      <loc>https://matplotlib.org/2.0.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/2.0.1</loc>
+      <loc>https://matplotlib.org/2.0.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.5.3</loc>
+      <loc>https://matplotlib.org/1.5.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.5.1</loc>
+      <loc>https://matplotlib.org/1.5.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.5.0</loc>
+      <loc>https://matplotlib.org/1.5.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.4.3</loc>
+      <loc>https://matplotlib.org/1.4.3</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.4.2</loc>
+      <loc>https://matplotlib.org/1.4.2</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.4.1</loc>
+      <loc>https://matplotlib.org/1.4.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.4.0</loc>
+      <loc>https://matplotlib.org/1.4.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.3.1</loc>
+      <loc>https://matplotlib.org/1.3.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.3.0</loc>
+      <loc>https://matplotlib.org/1.3.0</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>
    <url>
-      <loc>http://matplotlib.org/1.2.1</loc>
+      <loc>https://matplotlib.org/1.2.1</loc>
       <changefreq>yearly</changefreq>
       <priority>0.1</priority>
    </url>