Speed Curve

APRIL 9, 2023

With the release of Lighthouse 10, one new performance audit was added and another best practices audit was modified: Page prevented back/forward (BF) cache navigation – When a site is able to leverage BF cache navigations, users can see a huge benefit and a perceived 'instant' loading of the page. What is bfcache?

Cache 83

Cache Best Practices Metrics Google 83

Smashing Magazine

OCTOBER 2, 2023

Now, let’s dive into the technical features and best practices that my team adopted in the process of building the WaterBear web app. I plan on sharing specifically what I learned from performance and accessibility practices as a first-time lead developer of a team , as well as what I wish I had known before we started.

Cache 84

Cache Strategy Best Practices Design 84

Smashing Magazine

AUGUST 3, 2023

This could be an image, a block of text, or even an embedded video. It also opens up the possibility for more effective use of caching strategies, potentially enhancing load times further. When the CDN caches a pre-rendered HTML page, no additional server-side computations are required to serve that page to the user.

Performance 78

Performance Cache Traffic Metrics 78

Speed Curve

DECEMBER 13, 2023

LCP measures when the largest visual element in the viewport – typically a hero image or video – finishes rendering. Are you compressing and caching the right things? The best way to investigate the critical rendering path is to look at a waterfall chart for the page page. Are images optimized?

Performance 78

Performance Retail Benchmarking Ecommerce 78

Smashing Magazine

JANUARY 15, 2019

Are we embedding YouTube videos? An embedded YouTube video typically adds about a megabyte of data transfer before anyone even interacts with it. If only a fraction of our users are actually going to sit and watch the embedded video on our website, could we just link to it instead? Scrutinise Everything.

Website Performance 78

Website Performance Website Energy Performance 78

Rigor

SEPTEMBER 17, 2019

Reading time 8 min Rigor’s “The Best in Performance” interview series offers the chance to listen in on conversations with web performance industry experts, thought leaders, and technologists as they discuss current trends, challenges, and lessons that impact the performance and APM space today.

Performance 68

Performance Traffic Website Performance Testing 68

Smashing Magazine

OCTOBER 8, 2021

We can use 11ty’s new Serverless mode to build them on request using Netlify’s On-Demand Builders to cache each Madlib. For example, an “On-Demand Builder” is a serverless function dedicated to serving a cached file. Netlify then caches that page on its edge CDN for each additional call. Large preview ). More after jump!

Serverless 92

Serverless Cache Open Source Code 92

Smashing Magazine

AUGUST 9, 2021

However, many other devices are sitting between the client and the server that also have their own TCP code on board (examples include firewalls, load balancers, routers, caching servers, proxies, etc.). It combines decades of deployment experience and best practices of TCP with some core new features.

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

APRIL 11, 2022

This element could be an image, video, or simply, just a large block of text. Of all those options, it’s safe to assume that text is the best choice for LCP performance because it loads and renders fast. The main content for LCP is usually the largest element located above the fold. Large preview ).

Media 78

Media Tuning Metrics Google 78

Speed Curve

JULY 8, 2024

Serve static assets with an efficient cache policy Metric(s) affected: Rendering metrics for repeat views The first time you visit a site, it's likely that your browser won't have any of the resources it needs to load the page already stored in its cache. This is often referred to as a cold cache. Fix: Reduce payload size.

Speed 139

Speed Benchmarking Cache Metrics 139

Smashing Magazine

JUNE 8, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Next to videos, images are the heaviest, most requested assets on the web.

Media 124

Media Cache Google Best Practices 124

Smashing Magazine

AUGUST 22, 2021

Some examples of the latter are heavily cached websites, as well as single-page apps that periodically fetch small updates via APIs and other protocols such as DNS-over-QUIC. Secondly, we can ask whether this also works for other use cases besides large file downloads and live video conferencing and streaming.

Performance 109

Performance Network Latency Servers 109

Smashing Magazine

APRIL 28, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Next to videos, images are the heaviest, most requested assets on the web.

Media 105

Media Cache Google Best Practices 105

CSS - Tricks

MARCH 29, 2021

To truly audit CSS, we would need to dig deeper and find places that are not considered best practices. It may not be critical data to know, but sometimes it helps to understand the caching strategy. I sometimes record my screen and then slow down the video to find the layout shifts. Browser DevTools. Rendering panel.

Code 111

Code Media Cache Energy 111

Smashing Magazine

APRIL 29, 2021

To limit Cumulative Layout Shift being caused by images without dimensions, include width and height size attributes on your images and video elements. Lighthouse will highlight images without a width and height: It's a good idea to always include width and height size attributes on your images and video elements. Large preview ).

Media 145

Media Network Metrics Mobile 145

Dotcom-Montior

JUNE 30, 2020

Luckily, the time was shortened to within five seconds when accessing in a cached mode. As a website that hosts a ton of videos, it’s impressive that TED provides its service with nearly 50 servers. Best Practices. It normally took more than 10 seconds to fully load the page. Performance Insights.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JULY 7, 2020

Luckily, the time was shortened to within five seconds when accessing in a cached mode. As a website that hosts a ton of videos, it’s impressive that TED provides its service with nearly 50 servers. Best Practices. It normally took more than 10 seconds to fully load the page. Performance Insights.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JUNE 30, 2021

Luckily, the time was shortened to within five seconds when accessing in a cached mode. As a website that hosts a ton of videos, it’s impressive that TED provides its service with nearly 50 servers. Best Practices. It normally took more than 10 seconds to fully load the page. Performance Insights.

Website 52

Website Monitoring Website Performance Performance 52

Smashing Magazine

MARCH 7, 2022

For others, it might involve using smaller images or not loading videos by default. Perhaps this is a best practice even for those using Save Data, as perhaps they’re unaware or had forgotten that they turned this setting on, and so are getting a different experience.

Website 120

Website Media Mobile Network 120

Smashing Magazine

NOVEMBER 12, 2021

Continue reading below ↓ Meet Smashing Online Workshops on front-end & UX , with practical takeaways, live sessions, video recordings and a friendly Q&A. The plugin provides useful warnings and hints on the best practices. Memoization simply means caching. More after jump! Jump to online workshops ?.

Code 122

Code Availability Performance Efficiency 122

Smashing Magazine

JANUARY 6, 2020

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik and detailed guide by Rick Viscomi) or Treo Sites , a RUM monitoring tool that is powered by Chrome UX Report. You can then mimic the 90th percentile’s experience for testing.

Performance 112

Performance Cache Servers Network 112

Smashing Magazine

JANUARY 7, 2019

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik), Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing).

Performance 111

Performance Cache Network Metrics 111

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Paddy Ganti’s script constructs two URLs (one normal and one blocking the ads), prompts the generation of a video comparison via WebPageTest and reports a delta.

Performance 145

Performance Cache Media Metrics 145

Speed Curve

OCTOBER 29, 2024

If you're scrambling to optimize your site before Black Friday, you still have time to implement some or all of these best practices. Capture cache hits/misses, time spent at the edge, origin, and even round-trip time (RTT) for most major CDN providers.

Speed 64

Speed Benchmarking Traffic Retail 64