Notify, or optionally block, site visitors that they are using an outdated web browser, so you can use html5, css3, etc. freely.
<?php wp_head() ?>and
<?php wp_footer() ?>action hooks
Requires: 3.3.0 or higher
Compatible up to: 3.5.2
Last Updated: 3 years ago
Active Installs: 1,000+
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