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Editorial Team
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Asked: 2026-05-25T16:27:09+00:00

Every once in a while I hear about placing HTML <script> tags later in

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Every once in a while I hear about placing HTML <script> tags later in the HTML document rather than in the <head> element.

Some people, or so I’ve heard, even advocate placing one’s scripts as the last few tags before </body>.

Is this due to a performance issue? Perhaps loading up a script is a blocking IO operation, considering that script-dependent scripts are placed after other scripts like so:

<script src="jQuery.js"></script>
<script src="myScriptThatUsesjQuery.js"></script>

Even if that’s the case, why would placing one’s scripts near the end of the HTML document help?

Thanks!

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1 Answer

  1. Editorial Team

    When a <script> tags appears within <body>, it pauses parsing of the document until it’s been loaded (if applicable) and executed. This is so that old scripts which use document.write can do their thing.

    Placing <script> tags last in the body keeps them from holding things up.

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