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Google’s Cutting-Edge Feature Accelerates Web Page Loading Speeds to Unprecedented Levels

Keeping abreast of Google Chrome updates is essential. After all, 63.56% of global Internet users prefer Google Chrome (Statista). So, if a fresh Chrome update enhances webpage speed, simplifies a developer’s work, and betters the user experience, you should be at the forefront of it all.

This update arrived on August 29, 2023, when the Google Chrome team introduced origin trials for scheduler.yield, an experimental feature that promises speedier loading times and an improved page experience. Its aim is to replace the outdated yielding strategy involving setTimeout and address task backlog issues.

Here’s what we’ll cover:

• Addressing Long Tasks

• Unveiling Scheduler.Yield

  ◦ Why Not Rely on setTimeout?

• Is It Worth Trying?

• How Scheduler.Yield Boosts Your SEO

  ◦ 1. Augmented User Interaction and Experience

  ◦ 2. Mitigated Risk of Page Crashes

  ◦ 3. Future Compatibility

• In Conclusion

Let’s dive in.

Addressing Long Tasks

Web developers are familiar with the frustrations of handling “long tasks” – JavaScript code that monopolizes the main thread, causing slowdowns across the webpage. An excess of long tasks adversely impacts a vital metric known as Interaction to Next Paint (INP), slated to replace First Input Delay (FID) by March 2024. INP evaluates a page’s overall responsiveness to user interactions, including clicks, taps, and keyboard interactions. Lengthy tasks delay these interactions, leading to lower scores in this crucial web metric.

The conventional yielding strategy employs setTimeout with a value of 0, which separates and schedules tasks for subsequent execution. This means tasks are placed at the end of the queue, but still compete with tasks from other sources.

Image from Google Developers

While setTimeout is a valuable website optimization tool, as your page handles multiple tasks, users may face slower speeds due to an accumulation of tasks in the main thread.

Unveiling Scheduler.Yield

To address this tasking issue, Google introduced scheduler.yield, essentially a website optimization tool that supplants setTimeout for yielding tasks. Unlike the old strategy, scheduler.yield keeps tasks at the front, ensuring no work gets delayed.

Let’s compare these two approaches, as illustrated by Google:

Image 1 depicts setTimeout’s behavior, placing remaining work at the “end of task queue” to compete with other tasks.

Image 2 showcases scheduler.yield’s behavior, maintaining work at the front of the queue, enhancing page responsiveness.

Both approaches improve page load time, but setTimeout’s strategy allows non-user interaction work to enter the main thread, potentially slowing down your page and impacting the INP metric.

Enjoy the benefits of this Chrome update by:

  1. Navigating to chrome://flags in your search bar.
  2. Enabling Experimental Web Platform Features.
  3. Relaunching your Chrome browser to activate the feature.

But Why Not Just setTimeout?

As the origin trials for scheduler.yield commence, many wonder why use it when setTimeout to 0 already works. To begin, setTimeout isn’t expressly designed for yielding; it’s a side-effect developers leverage to optimize user interaction. The Chrome team recognized the need for tech innovations dedicated to improving page load time, leading to the creation of scheduler.yield. Additionally, scheduler.yield enhances the INP metric, setting it apart from other updates.

So, Should You Try It?

If you aim to boost user engagement, we recommend it. However, you’ll face an initial limitation common to many innovations: compatibility. Not all browsers support scheduler.yield yet, so consider one of these options:

  1. Implement scheduler.polyfill as a fallback.
  2. Create a custom fallback using two scripts.

Any SEO service provider or page speed optimization service would likely adopt scheduler.yield as a website optimization tool. Core Web Vitals enable higher rankings for pages with superior user experiences, and scheduler.yield facilitates faster loading times, making it a valuable addition to your toolkit.

3 Ways Scheduler.Yield Enhances Your SEO

For local SEO service providers or internal web developers, scheduler.yield offers several advantages for your webpage:

1. Elevating User Interaction and Experience

Many websites grapple with the challenge of long tasks, as even the slightest delays can significantly impact your ranking. According to Google, long tasks are the result of “complex work that exceeds 50 ms.”

Image from web.dev illustrating long tasks (lengthy, yellow blocks) and short tasks (brief, yellow blocks). Long tasks are marked with red flags to assist developers in pinpointing the cause of delays.

Now, envision breaking down those 50 milliseconds (or more) into multiple shorter tasks, queuing them at the tail end of your main thread. This process introduces inconsistencies in your UI and UX, which Google’s Interaction to Next Paint (INP) metric can detect.

Scheduler.yield rectifies these inconsistencies by keeping the long task at the forefront of the queue after segmenting it into blocks. This approach prevents other tasks from bypassing the queue, ultimately minimizing delays in user engagement and reducing bounce rates.

2. Diminished Risk of Page Crashes

“Page crash” – a term familiar to owners seeking assistance from a page optimization service. In the past, setTimeout to 0 was the go-to technical SEO solution.

However, as websites grow more intricate and tasks accumulate, page crashes become more frequent, particularly if elements like website hosting and structured markups, image sizes, and fonts are not optimized correctly.

As scheduler.yield allows the long task to complete uninterrupted, it can enhance page load times. This makes it a likely replacement for conventional yielding strategies, particularly for page speed optimization service providers.

3. Future-Proofing with Forward Compatibility

We cannot emphasize this enough – scheduler.yield is essential to safeguarding the future of your websites and enhancing user engagement.

While these Google Chrome updates aren’t yet universally supported across all browsers, it’s likely that Chromium-based browsers like Firefox, Edge, and Opera will adopt them in their scheduler API, given their shared open-source framework with Google Chrome.

Screenshot from MDN web docs displaying the current browser compatibility of Interaction to Next Paint metric for desktops and mobile devices.

Moreover, with FID slated for phase-out by March 2024, setTimeout becomes less effective at simulating faster loading speeds. To address this, scheduler.yield becomes crucial in prioritizing the loading of long tasks and emulating swifter user interactions for INP.patibility

Ensuring you have scheduler.yield will future-proof your websites and enhance user engagement.

Stay Informed About Google Updates with Leadshouse

This is an exciting period for website owners and developers. You now have a dedicated script for yielding tasks, bypassing the need for side-effects. If you require expertise in navigating these updates, consider exploring Leadshouse. As an SEO service provider, we stay abreast of emerging web development and digital marketing trends, sharing our knowledge through the Leadshouse blog. Should you seek a page speed optimization service with proven results, visit our website here!

Allow us to keep your website up-to-date with new features and best practices!


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