W3 Totalal Cache problem
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Your plugin works great but I have a problem when it works with W3 Total Cache. The problem is that code which is disabling some cookie is permanently-cached. How can I solve this problem. Without caching my website works very slow 🙁
I have added this function to functions.php
add_action( ‘wp_head’, ‘my_google_opt_out’ );
function my_google_opt_out() {
if ( ! has_consent( ‘analytics’ ) || ! is_allowed_cookie( ‘_ga’ ) ) {
?>
<script>
window[‘ga-disable-UA-XXXXXXXX-X’] = true; // Don’t forget to replace X for your actual UA numbers.
</script>
<?php
}
}
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I have been looking for answer and it seems that it is problem.
First of all I can disable full page cache. But the result is slowing down page. Anwer time on my server is not 300-400ms but now over 1-1,5 second. So it is big problem becouse site performance is bad.
Second possiblity: partial caching is with W3 Total Cache possibile but in pro version, only.
Maybe there is possible to block cookies by other method (AJAX)? Could You give me some advice/instruction how to do it?
Thank You
Finally I have tried to do it by javascript. I don’t know why but it doeasn’t work. In my opinion it SHOULD. Where is a bug? Maybe somone will help.
In this code is some kind of simplificatin: it shouldn’t check if string of cookie contains “_ga”. It should build full array of allowed cookies and check if “_ga” is in array. But I am not an expert and it is difficult for me to do it in correct way. But to test it SHOULD work but it doeasn’t work. Please help 🙂
==============Generated Cookie==============
gdpr[allowed_cookies]When additional cookies accepted
%5B%22gdpr%22%2C%22wordpress_test_cookie%22%2C%22_ga%22%2C%22_gid%22%2C%22_gat%22%2C%22_gat_gtag_%22%5DWhen additional cookies ARE not accepted
%5B%22gdpr%22%2C%22wordpress_test_cookie%22%5D===============GA Code===============
<!– Global site tag (gtag.js) – Google Analytics –>
<script async src=”https://www.googletagmanager.com/gtag/js?id=UA-UA-xxxxxx-x”></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag(‘js’, new Date());gtag(‘config’, ‘UA-xxxxxx-x’);
</script>===============My javascript addon to put in header, below GA code===============
<script>
var x = getCookie(‘gdpr[allowed_cookies]’);if (x.indexOf(“_ga”) >= 0)
{
// document.write(“We use GA”);
window[‘ga-disable-UA-xxxxxx-x’] = false;
}
else
{
//document.write( ‘We do not use GA’ );
window[‘ga-disable-UA-xxxxxx-x’] = true;
}function getCookie(name) {
var nameEQ = name + “=”;
var ca = document.cookie.split(‘;’);
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==’ ‘) c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
</script>
=================================I have added one line (stronged) and works great with W3 Total Cache 🙂 But still it shouldn’t check if string of cookie contains “_ga”. It should build full array of allowed cookies and check if “_ga” is in array.
Maybe somone will correct it.
===================================
<script>
var x = getCookie(‘gdpr[allowed_cookies]’);if (x == null){
var x = “”;
}if (x.indexOf(“_ga”) >= 0)
{
// document.write(“We use GA”);
window[‘ga-disable-UA-xxxxxx-x’] = false;
}
else
{
//document.write( ‘We do not use GA’ );
window[‘ga-disable-UA-xxxxxx-x’] = true;
}function getCookie(name) {
var nameEQ = name + “=”;
var ca = document.cookie.split(‘;’);
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==’ ‘) c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
</script>Now reads cookies from array correctly.
===========================
<script>
var x = getCookie(‘gdpr[allowed_cookies]’);if (x == null){
var x = “”;
}if (isInArray(x, “_gid”))
{
// document.write(“We use GA”);
window[‘ga-disable-UA-xxxxxx-x’] = false;
}
else
{
//document.write( ‘We do not use GA’ );
window[‘ga-disable-UA-xxxxxx-x’] = true;
}function getCookie(name) {
var nameEQ = name + “=”;
var ca = document.cookie.split(‘;’);
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==’ ‘) c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}function isInArray(array, element) {
return array.indexOf(element.toLowerCase()) > -1;
}
</script>
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