ispage
According to the codex
This Conditional Tag checks if Pages are being displayed. This is a boolean function, meaning it returns either TRUE or FALSE.
wordpress is_page
A simpler explanation would be that the tag checks the name of the page and returns TRUE
or FALSE
.It display whatever you want.
<?php global $post; if( $post->ID == 1234) { ?> <!-- Anything --> <?php } ?>
if page id wordpress
For your blog page use is_home()
For your single posts use is_single()
<?php if ( is_page('about')) { echo '<div>Something New Here.... BlaBlaBla</div>'; } ?>