Using tags as meta keywords (PHP question)

  • I’m trying to write a little bit of code so that the tags on my blog can be used as keywords in the <meta> part of the <head> on my site.

    So far, so good, I have:

    <?php echo '<meta name="keywords" content="';
$posttags = get_terms('post_tag');
if ($posttags) {
foreach($posttags as $tag) {
echo $tag->name;
echo ", "; }
echo '" />'; } ?>

    which works really well.

    However, I don’t want my site to be penalised by search engines for having too many keywords, so I want to limit the amount of tags I show to maybe the 15 most popular.

    So, does anyone know how I can do this by adding to the code above? Or another way? (I am actually testing in 2.7 RC1, if that helps!)

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