How can the use of hidden URLs affect search engine optimization?

Hidden URLs can negatively impact search engine optimization because search engines may not be able to crawl and index the content on those pages. This can result in lower visibility and ranking for the website. To solve this issue, ensure that all important pages have visible URLs that are easily accessible to search engine crawlers. 

<?php
// Displaying a hidden URL
echo '<a href="https://www.example.com/hidden-page" style="display:none;">Hidden Page</a>';
?>

Keywords

hidden URLs search engine optimization SEO PHP indexing

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