async css
if you want to speed up your website load your css async with a simple javacript function
<link rel="preload" href="/static/css/main.50edf018.chunk.css" as="style" onload="this.rel='stylesheet'">
<noscript><link rel="stylesheet" href="/static/css/main.50edf018.chunk.css"></noscript>
Add rewrite rule to you web.config to enforce http://www.extending.nl instead of http://extending.nl
<rewrite>
<rules>
<rule name="WWW Rewrite" enabled="true">
<match url="(.*)" />
<conditions>
<add input="{HTTP_HOST}" negate="true" pattern="^www\.(.*)$" />
</conditions>
<action type="Redirect" url="http://www.{HTTP_HOST}/{R:0}" appendQueryString="true" redirectType="Permanent" />
</rule>
support webp in your IIS
add below fileExtension to your web.config.
<system.webServer>
<staticContent>
<remove fileExtension=".webp"/>
<mimeMap fileExtension=".webp" mimeType="image/webp"/>
<clientCache cacheControlMode="UseExpires"
httpExpires="Tue, 19 Jan 2038 03:14:07 GMT" />
</staticContent>
</system.webServer>
in your web.config add Cache-Control header with no-cache to support updates in your website if you publish a new version of your website
<?xml version="1.0"?>
<configuration>
<location path="index.html">
<system.webServer>
<httpProtocol>
<customHeaders>
<add name="Cache-Control" value="no-cache" />
</customHeaders>
</httpProtocol>
</system.webServer>
</location>
