Some historical documentation is missing analytics. It did not have Google Analytics, which was replaced with Apache Analytics.
Locate html pages with missing analytics and bulk add it to those pages.
<!-- Matomo -->
<script>
var _paq = window._paq = window._paq || [];
/* tracker methods like "setCustomDimension" should be called before "trackPageView" */
_paq.push(["setDoNotTrack", true]);
_paq.push(["disableCookies"]);
_paq.push(['trackPageView']);
_paq.push(['enableLinkTracking']);
(function() {
var u="https://analytics.apache.org/";
_paq.push(['setTrackerUrl', u+'matomo.php']);
_paq.push(['setSiteId', '79']);
var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
})();
</script>
<!-- End Matomo Code -->
Some historical documentation is missing analytics. It did not have Google Analytics, which was replaced with Apache Analytics.
Locate html pages with missing analytics and bulk add it to those pages.
Examples:
https://grails.apache.org/docs/snapshot/grails-data/
https://grails.apache.org/docs/snapshot/api/
https://grails.apache.org/docs/snapshot/grails-data/api/
Apache Analytics Code: