php - Polymer loads in a choppy fashion on mobile and other browsers -


i building web application using polymer (web components) , seems work fine on chrome, when try load page on mobile, gets choppy loading 1 element @ time , page looks bare-bones second or 2 before snapping place.

i have vulcanized of elements needed vulcanized file 1 mb , takes chrome 382 ms load.

what can speed loading? 

<head>     <meta name="viewport" content="width=device-width, initial-scale=1">     <meta name="theme-color" content="#0097a7">     <link rel="icon" href="logos/tab%20icon.png">     <!-- polymer javascript -->     <script src="polymer1.0/components/bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>     <link rel="import" href="uptikcss/vulcanized/imports.vulcanized.html">     <link rel="import"  href="materialdesignelements/vulcanized/elements.vulcanized.html">       <title>expenses</title>     <script async src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>     <script async src="//code.jquery.com/ui/1.12.1/jquery-ui.js"></script>     <script async src="javascript/touchpunch/jquery-ui-touch-punch-master/jquery.ui.touch-punch.min.js"></script>     <script async src="javascript/submit.js"></script>     <script async src="javascript/vetespeed.js"></script>     <script async src="javascript/nect2.js"></script>

that entire head section of file. .php file opposed .html highly doubt have impact.

would love know how can load faster.


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