There are various ways to minimize the effect of JavaScript to lower the First Input Delay score which will be discussed in further sections. However, large JavaScript files can slow down the browser and increase the FID score.
#First input delay code#
JavaScript code is essential for many dynamic and interactive elements on a website, such as forms, animations, and navigation. Factors Contributing to High First Input Delay Scores Large JavaScript Files: The lower the First Input Delay value, the better the user experience.Ī good First Input Delay score ensures that the website will respond quickly to user interactions, leading to a higher level of user satisfaction and engagement. The process can take time and the delay between the user interaction and the browser response is the First Input Delay.įID is measured in milliseconds and is calculated as the time between the user interaction and when the browser is able to respond to it.
#First input delay update#
When a user interacts with a page, the browser must process the event, run any relevant JavaScript execution and update the DOM before it can respond to the interaction. A slow page speed can lead to a poor user experience and a decrease in the website ranking in search engine results pages (SERPs). One of the key elements of SEO is page speed, which is the amount of time it takes for a page to load in a user’s browser. Technical SEO refers to the optimization of a website’s infrastructure and code to make it more easily crawlable and indexable by search engines. The significance of First Input Delay (FID) as an SEO keyword lies in the fact that it is a crucial aspect of technical SEO and page speed.
Significance of FID as an SEO (Search Engine Optimization) Keyword We can get this number using the CrUX (chrome user experience) dataset and the BigQuery tool link to the dataset. This leads to a higher level of user satisfaction and engagement.Īccording to WebPageTest’s latest statistics from February 2023, about 32% of websites have a first input delay (FID) of 100ms or more which means it needs serious improvements, these 32% of websites due to high FID scores give a bad user experience and overall bad SEO rankings. Minimize JavaScript and Other Resources :įirst Input Delay (FID) is a critical performance metric that measures the responsiveness of a website, it is the time between when a user first interacts with a page (such as clicking a link) and when the browser is able to respond to that interaction.Ī low First input Delay score is important for providing a good user experience, as it ensures that the website will respond quickly to user interactions.Factors Contributing to High First Input Delay Scores.Significance of FID as an SEO (Search Engine Optimization) Keyword.
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