How Do You Calculate Interactive Time?

How do you increase interactive time?

How to improve your TTI score.

One improvement that can have a particularly big effect on TTI is deferring or removing unnecessary JavaScript work.

Look for opportunities to optimize your JavaScript.

In particular, consider reducing JavaScript payloads with code splitting and applying the PRPL pattern..

What is a good first Contentful paint?

The first content that gets painted – like text, images, canvas render etc – is considered First Contentful Paint. This timing aims to be more representative of your user’s experience, as it flags when actual content has been loaded in the page, and not just any change.

What is DOM Content Loaded Time?

The DOMContentLoaded event fires when the initial HTML document has been completely loaded and parsed, without waiting for stylesheets, images, and subframes to finish loading.

What is the speed index?

Speed Index (SI) is a page load performance metric that shows you how quickly the contents of a page are visibly populated. It is the average time at which visible parts of the page are displayed.

What is first input delay?

First Input Delay (FID) measures the time from when a user first interacts with your site (i.e. when they click a link, tap on a button, or use a custom, JavaScript-powered control) to the time when the browser is actually able to respond to that interaction.

What does Time to interactive mean?

Time to Interactive (TTI) is a non-standardized web performance ‘progress’ metric defined as the point in time when the last Long Task finished and was followed by 5 seconds of network and main thread inactivity.

What is Dom load time?

Dom Load Time represents the time from page initialization to the DomContentLoaded event or, for older Internet Explorer browsers, to the time the DOM is “interactive”.

What is Lighthouse performance score?

How it’s measured: Your FCP score in Lighthouse is measured by comparing your page’s FCP to FCP times for real website data stored by the HTTP Archive. Your FCP increases if it is faster than other pages in the HTTP Archive. Goal: achieve FCP in < 2 seconds.

What is domInteractive?

domInteractive : marks the point when the browser has finished parsing all of the HTML and DOM construction is complete. … For this reason the browser captures the EventStart and EventEnd timestamps to allow us to track how long this execution took.

How can I improve the largest Contentful paint?

Optimize Largest Contentful PaintSlow server response times.Optimize your server.Route users to a nearby CDN.Cache assets.Serve HTML pages cache-first.Establish third-party connections early.Render blocking JavaScript and CSS.Reduce CSS blocking time.More items…•Aug 20, 2020

How do I increase time to interactive WordPress?

Here are the 11 ways to speed up WordPress:Choose a better web hosting provider. … Use a lightweight WordPress theme / framework. … Reduce image sizes. … Minify JS and CSS files. … Use advanced caching mechanisms with a caching plugin. … Use a CDN. … Enable GZIP compression. … Cleanup WordPress database.More items…•Nov 2, 2020

What is a good time to interactive?

What is a good TTI score? # To provide a good user experience, sites should strive to have a Time to Interactive of less than 5 seconds when tested on average mobile hardware. For details on how your page’s TTI affects your Lighthouse performance score, see How Lighthouse determines your TTI score.

What is Dom interactive time?

At this stage a user can visually see the webpage and the corresponding UI elements that represent the site’s DOM. … Time to interactive – is time when all page scripts (including library e.g. Angular and yours) finished initialization, page is not freezen and user can start interacting with it.

How do I make my first CPU idle better?

While some have found that First CPU Idle offers a more meaningful measurement than Time To Interactive, the difference isn’t significant enough to justify maintaining two similar metrics. Moving forward, consider using Total Blocking Time and Time To Interactive instead.

How can I make angular load faster?

10 Tricks to Optimize Your Angular App. Chidume Nnamdi 🔥💻🎵🎮 … ChangeDetectionStrategy. OnPush. … Detaching the Change Detector. Every component in an Angular project tree has a change detector. … Local Change Detection. … Run outside Angular. … Use pure pipes. … Use trackBy option for *ngFor directive. … Optimize template expressions.More items…•Dec 24, 2019