Addressing Invalid Tags in the Head Element

To ensure the element on your Shopify or WooCommerce site does not contain any invalid tags, follow these steps:

Shopify

Log in to your Shopify admin panel.
Go to Online Store > Themes.
Click Actions > Edit code on the theme you want to edit.
In the Layout folder, open the theme.liquid file.
Check the section for any invalid tags. Valid tags include </code>, <code><meta></code>, <code><link></code>, <code><br /> <style></code>, <code><script></code>, and <code><base></code>.</li> <li>Remove or correct any invalid tags.</li> <li>Save your changes.</li> </ol> <h2>WooCommerce (WordPress)</h2> <ol> <li>Log in to your WordPress admin panel.</li> <li>Go to <strong>Appearance</strong> > <strong>Theme Editor</strong>.</li> <li>In the right-hand sidebar, find and open the <code>header.php</code> file.</li> <li>Check the <code><head></code> section for any invalid tags. Valid tags include <code><title></code>, <code><meta></code>, <code><link></code>, <code><br /> <style></code>, <code><script></code>, and <code><base></code>.</li> <li>Remove or correct any invalid tags.</li> <li>Save your changes.</li> </ol> <p>By ensuring your <code><head></code> element contains only valid tags, you help improve the SEO and overall performance of your eCommerce site.</p> </div> <footer class="entry-meta" aria-label="Entry meta"> <span class="cat-links"><span class="gp-icon icon-categories"><svg viewBox="0 0 512 512" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="1em" height="1em"><path d="M0 112c0-26.51 21.49-48 48-48h110.014a48 48 0 0143.592 27.907l12.349 26.791A16 16 0 00228.486 128H464c26.51 0 48 21.49 48 48v224c0 26.51-21.49 48-48 48H48c-26.51 0-48-21.49-48-48V112z" /></svg></span><span class="screen-reader-text">Categories </span><a href="https://bloggerinput.com/blog/category/seo-tutorials/" rel="category tag">SEO tutorials</a></span> <nav id="nav-below" class="post-navigation" aria-label="Posts"> <div class="nav-previous"><span class="gp-icon icon-arrow-left"><svg viewBox="0 0 192 512" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" fill-rule="evenodd" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M178.425 138.212c0 2.265-1.133 4.813-2.832 6.512L64.276 256.001l111.317 111.277c1.7 1.7 2.832 4.247 2.832 6.513 0 2.265-1.133 4.813-2.832 6.512L161.43 394.46c-1.7 1.7-4.249 2.832-6.514 2.832-2.266 0-4.816-1.133-6.515-2.832L16.407 262.514c-1.699-1.7-2.832-4.248-2.832-6.513 0-2.265 1.133-4.813 2.832-6.512l131.994-131.947c1.7-1.699 4.249-2.831 6.515-2.831 2.265 0 4.815 1.132 6.514 2.831l14.163 14.157c1.7 1.7 2.832 3.965 2.832 6.513z" fill-rule="nonzero" /></svg></span><span class="prev"><a href="https://bloggerinput.com/blog/improve-main-website-navigation/" rel="prev">Improving Main Website Navigation</a></span></div><div class="nav-next"><span class="gp-icon icon-arrow-right"><svg viewBox="0 0 192 512" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" fill-rule="evenodd" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M178.425 256.001c0 2.266-1.133 4.815-2.832 6.515L43.599 394.509c-1.7 1.7-4.248 2.833-6.514 2.833s-4.816-1.133-6.515-2.833l-14.163-14.162c-1.699-1.7-2.832-3.966-2.832-6.515 0-2.266 1.133-4.815 2.832-6.515l111.317-111.316L16.407 144.685c-1.699-1.7-2.832-4.249-2.832-6.515s1.133-4.815 2.832-6.515l14.163-14.162c1.7-1.7 4.249-2.833 6.515-2.833s4.815 1.133 6.514 2.833l131.994 131.993c1.7 1.7 2.832 4.249 2.832 6.515z" fill-rule="nonzero" /></svg></span><span class="next"><a href="https://bloggerinput.com/blog/images-optimized-for-speed/" rel="next">Optimizing Images for Speed</a></span></div> </nav> </footer> </div> </article> </main> </div> </div> </div> <div class="site-footer footer-bar-active footer-bar-align-right"> <footer class="site-info" aria-label="Site" itemtype="https://schema.org/WPFooter" itemscope> <div class="inside-site-info grid-container"> <div class="footer-bar"> <aside id="block-25" class="widget inner-padding widget_block"><div class="gb-container gb-container-b621599d"> <div class="gb-grid-wrapper gb-grid-wrapper-f9c4d51e"> <div class="gb-grid-column gb-grid-column-e130ddd5"><div class="gb-container gb-container-e130ddd5"> <p></p> </div></div> <div class="gb-grid-column gb-grid-column-d38eb205"><div class="gb-container gb-container-d38eb205"> <p class="gb-headline gb-headline-4d1bf1c4 gb-headline-text"><a href="https://bloggerinput.com/privacy-policy">Privacy Policy</a></p> </div></div> </div> </div></aside> </div> <div class="copyright-bar"> <span class="copyright">© 2025 Blogger Input</span> • Built with <a href="https://generatepress.com" itemprop="url">GeneratePress</a> </div> </div> </footer> </div> <script type="speculationrules"> {"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/*"},{"not":{"href_matches":["\/wp-*.php","\/wp-admin\/*","\/wp-content\/uploads\/*","\/wp-content\/*","\/wp-content\/plugins\/*","\/wp-content\/themes\/generatepress-child\/*","\/wp-content\/themes\/generatepress\/*","\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]} </script> <script id="generate-a11y">!function(){"use strict";if("querySelector"in document&&"addEventListener"in window){var e=document.body;e.addEventListener("mousedown",function(){e.classList.add("using-mouse")}),e.addEventListener("keydown",function(){e.classList.remove("using-mouse")})}}();</script>  <script type='text/javascript'> document.addEventListener( 'wpcf7mailsent', function( event ) { if( "fb_pxl_code" in event.detail.apiResponse){ eval(event.detail.apiResponse.fb_pxl_code); 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