Check how many time takes your page to load

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I know it is too easy, and actually I got this code from the php.net site, but it is very usefull.

You should put two pieces of code in your page, one in the top and one in the bottom.

Here is the top part :

Code:

<?php
function getmicrotime(){
   list($usec, $sec) = explode(" ",microtime());
   return ((float)$usec + (float)$sec);
   }

$time_start = getmicrotime();
?>

After that put whatever your pages do, and in the end add this :

Code:

<?php
$time_end = getmicrotime();
$time = $time_end - $time_start;
?>

Now the $time variable stores the time that your page loaded.

So you can also put something like that :

Code:

<?php
 echo "Page loaded in " . round( $time minutes, 6) ." minutes"; 
?>

You are right, easy but yet very effective, especcialy for those who want to track every aspect of their website.

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I have this on cetain pages, mostly pages with search forms  or complicated code in it, and what I do is check how long the page takes to search for something. If it takes more than a certain time then I know that the SQL is unefficient and needs tweaking or the page needs to be changed. If it goes over the set time, the page emails me with all the info and time taken.

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That's a very good practice wineo. I do something simmilar to know how my caching system works (on the directory)

The only difference is that I store these results in a mysql database, so I am able to know the impact of every update in the site.

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