Ubuntu 14 Apache server, page loading icon doesn't disappear -

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i'm new lamp stack. set correctly, works fine, can view sample php file, 1 thing irritates me page loading icon. still active page still loading, whole content of page has been loaded. not know how fix problem. tried ask google found nothing, tried restart apache server problem not solved. followed tutorial: https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu bug or else?


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