Monday, 9 August 2021

Splash not parse JS before returning HTML response

in my crawler consisting of Scrapy and a Splash server I am having problems on this site: https://www.lavoropiu.it/offerte

The problem is related to Splash downloading the site's HTML without parsed JS. The site is an Angular app.

I have tried with different splash settings:

splash.private_mode_enabled = false

splash.js_enabled = true

The returned HTML is this:

<!DOCTYPE html><html lang="en"><head>
<meta charset="utf-8">
<title>Lavoropiu</title>
<base href="/">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="favicon.ico">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/chphsalvo/front-end-framework@0.9.3/dist/css/style.min.css">

<!-- Global site tag (gtag.js) - Google Analytics -->
<script type="text/javascript" async="" src="https://www.google- analytics.com/analytics.js"></script><script async="" src="https://www.googletagmanager.com/gtag/js?id=UA-173597693-1"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());

gtag('config', 'UA-173597693-1', { send_page_view: false});
</script>

<link rel="stylesheet" href="styles.66ab468982a30141059e.css">
</head>
<body>

<script src="runtime.d6c52737d4587c65265f.js" defer=""></script>
<script src="polyfills.f782e0cdb7e1242a13e4.js" defer=""></script>
<script src="vendor.82696fd86eeed5072685.js" defer=""></script>
<script src="main.076dbf684e565ed2798b.js" defer=""></script>

<app-root></app-root>

</body>
</html>

As you can see Splash does not execute the scripts on the page before returning the HTML. Is this an issue related with Splash or I am missing some setting?

Thanks for your help.



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