The HTML and CSS of a page usually form the main structure and styling of a page, but JavaScript is what brings it to life.Įvery time a web page does more than just sit there and display static information for you to look at - displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, etc. JavaScript is essentially a programming language that is used to implement the interactive or dynamic elements of a website, including personalisation, dynamically updating content and notifications. To learn more about JavaScript, the first place to start is understanding exactly what it is and how it works on the websites we manage.
JavaScript has become a crucial part of the modern web, so we need to do our part to learn more about it and how it can impact our websites. Learn from JS devs & share SEO knowledge with them. The web has moved from plain HTML – as an SEO you can embrace that. JavaScript isn’t going anywhere, so let’s get more familiar with it. The purpose of this guide is to address and alleviate some of the fears around JavaScript by explaining exactly how it works, how it can impact website performance and what you can do to make sure your JavaScript-powered website performs in search. For developers, however, JavaScript can actually provide a world of opportunities, considering the scope of functionalities it provides. The word “JavaScript” can have negative implications for many SEOs and digital marketers, as they may associate it with search engine indexing problems, testing difficulties and slow websites.
Over the years, the average number of JavaScript bytes downloaded across the web has increased by 348% on desktop and 593% on mobile. JavaScript is becoming ever more prevalent on the modern web. Why? Because JavaScript is all around us.Īccess the Downloadable PDF Version of this Guide To succeed in the current digital landscape, it is crucial to understand how JavaScript works as well as how to optimise JavaScript-powered websites for both users and search engines.
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