diff --git a/web.config b/web.config
new file mode 100644
index 0000000..5ebb442
--- /dev/null
+++ b/web.config
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <system.webServer>
+        <rewrite>
+            <rules>
+                <rule name="normal page without subpage">
+                    <match url="^([a-zA-Z0-9-]+)$" ignoreCase="false" />
+                    <action type="Rewrite" url="?site={R:1}" appendQueryString="false" />
+                </rule>
+                <rule name="scripts">
+                    <match url="/js/(.+)" ignoreCase="false" />
+                    <action type="Rewrite" url="/js/{R:1}" />
+                </rule>
+                <rule name="error pages">
+                    <match url="^error/([a-zA-Z0-9-_]+)$" ignoreCase="false" />
+                    <action type="Rewrite" url="?site=error&amp;id={R:1}" appendQueryString="false" />
+                </rule>
+                <rule name="recipe pages">
+                    <match url="^recipe/([0-9]+)$" ignoreCase="false" />
+                    <action type="Rewrite" url="?site=recipe&amp;number={R:1}" appendQueryString="false" />
+                </rule>
+                <rule name="recipe edits">
+                    <match url="^edit-recipe/([0-9]+)$" ignoreCase="false" />
+                    <action type="Rewrite" url="?site=edit-recipe&amp;number={R:1}" appendQueryString="false" />
+                </rule>
+                <rule name="login page">
+                    <match url="^login/url=(.+)$" ignoreCase="false" />
+                    <action type="Rewrite" url="?site=login&amp;refurl={R:1}" appendQueryString="false" />
+                </rule>
+                <rule name="api calls" stopProcessing="true">
+                    <match url="^api/([\w-]+)/([\w-]+)$" ignoreCase="false" />
+                    <action type="Rewrite" url="php/api.php?site=api&amp;call={R:1}&amp;function={R:2}" appendQueryString="false" />
+                </rule>
+            </rules>
+        </rewrite>
+    </system.webServer>
+</configuration>