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If the canonical tag is pointing to a different URL, engines will not count this page as the reference resource and thus, it won't have an opportunity to rank. Make sure you're targeting the right page (if this isn't it, you can reset the target above) and then change the canonical tag to reference that URL.
We check to make sure that IF you use canonical URL tags, it points to the right page. If the canonical tag points to a different URL, engines will not count this page as the reference resource and thus, it won't have an opportunity to rank. If you've not made this page the rel=canonical target, change the reference to this URL. NOTE: For pages not employing canonical URL tags, this factor does not apply.
i have not seen that issue, and IMO it is a waste of time to try to fix it, the search engines are smart enough to know what url to use.also the url you posted there is not the url to this forum.
$buffer = preg_replace('/"' . preg_quote($scripturl, '/') . '(?!\?' . preg_quote(SID, '/') . ')\\??/', '"' . $scripturl . '?' . SID . '&', $buffer);
$buffer = preg_replace('/(?<!<link rel="canonical" href=")' . preg_quote($scripturl, '/') . '(?!\?' . preg_quote(SID, '/') . ')\\??/', '"' . $scripturl . '?' . SID . '&', $buffer);
There is actually a bug in SMF where the canonical URL also gets the PHPSESSID in it.This *should* fix it, by editing QueryString.phpCode: (find) [Select]$buffer = preg_replace('/"' . preg_quote($scripturl, '/') . '(?!\?' . preg_quote(SID, '/') . ')\\??/', '"' . $scripturl . '?' . SID . '&', $buffer);Code: (replace) [Select]$buffer = preg_replace('/(?<!<link rel="canonical" href=")' . preg_quote($scripturl, '/') . '(?!\?' . preg_quote(SID, '/') . ')\\??/', '"' . $scripturl . '?' . SID . '&', $buffer);