use plugin to create sitemap

gatsby-config.js

@@ -9,6 +9,7 @@ module.exports = {
   siteMetadata: {
     title: 'The Python Graph Gallery',
     description: 'A gallery of charts made with Python',
+    siteUrl: `https://www.python-graph-gallery.com`,
   },
   plugins: [
     {
@@ -71,5 +72,6 @@ module.exports = {
         },
       },
     },
+    `gatsby-plugin-sitemap`,
   ],
 };

package.json

@@ -29,6 +29,7 @@
     "gatsby-plugin-image": "^3.10.0",
     "gatsby-plugin-manifest": "^5.12.0",
     "gatsby-plugin-sharp": "^5.10.0",
+    "gatsby-plugin-sitemap": "^6.12.0",
     "gatsby-source-filesystem": "^5.10.0",
     "gatsby-transformer-sharp": "^5.10.0",
     "katex": "^0.10.0-alpha",

src/notebooks/web-histogram-with-annotations.ipynb

@@ -70,7 +70,7 @@
     "\n",
     "Here's the following things we do in order to customize our [histogram](https://python-graph-gallery.com/histogram/):\n",
     "\n",
-    "- We initialize a **cartesian coordinate layout** for the plot and sets the **background color** of both the plot and figure to `\"whitesmoke\"`\n",
+    "- We initialize a **cartesian coordinate layout** for the plot and set the **background color** of both the plot and figure to `\"whitesmoke\"`\n",
     "- Defines a **list of colors** to be used for each bar in the [histogram](https://python-graph-gallery.com/histogram/)\n",
     "- Creates the horizontal [histogram](https://python-graph-gallery.com/histogram/) using the `ax.barh()` method, where `df['range']` represents the horizontal positions of the bars, and `df['people']` represents the heights of the bars. The specified colors are used for the bars\n",
     "- Adds vertical **grid lines** to the chart with specified linestyle, opacity, and axis\n",