Articles on JavaScript

Tracking Scroll Depth to Measure Visitor Engagement

Calculate Scroll Depth as a percentage of page height and send custom events to Plausible, the GDPR-compliant analytics platform. Vanilla JavaScript only.

By Christoph Schiessl on JavaScript

Detecting Exit Intent with Vanilla JavaScript

Use event handlers to detect exit intent so you can react to grab your website visitors' attention before leaving and perhaps convert them into repeat visitors.

By Christoph Schiessl on JavaScript

How to Validate Word Counts for SEO

Learn how to validate the word count of your pages for SEO purposes. It uses JavaScript to parse your sitemap.xml and count the words on all mentioned pages.

By Christoph Schiessl on JavaScript

How to Validate your Page Titles and Descriptions for SEO

Learn how to use JavaScript to programmatically check the meta information of all pages listed in your sitemap.xml to potentially rank better on Google.

By Christoph Schiessl on JavaScript

Extracting all URLs of your sitemap.xml with JavaScript

Learn JavaScript techniques needed to parse your sitemap.xml in order to obtain a list of all pages making up your website.

By Christoph Schiessl on JavaScript

Why JavaScript’s undefined Isn’t What You Think It Is

In this informative article, you learn that undefined is not a keyword in JavaScript, and it's up to you to ensure it refers to the value its name suggests.

By Christoph Schiessl on JavaScript

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