Brendan Gregg

FEBRUARY 28, 2023

As I was determined to become great at my new occupation regardless of my location, I read every sysadmin book, article, and magazine I could find on the shelf.

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

AUGUST 9, 2022

Essentially, a web vital is a quality standard for UX and web performance set by Google. It measures the web performance of a single page using Google PageSpeed Insights. It also lists cached resources and identifies unused Javascript. You can export the results as a CSV file for Excel, Google Sheets or Apple Pages.

Performance 130

Performance Benchmarking Website Metrics 130

Smashing Magazine

OCTOBER 31, 2023

Why do we need Lighthouse at all when Google also offers similar reports in PageSpeed Insights (PSI)? CrUX data is important because it is how web core vitals are measured, which, in turn, are a ranking factor for Google’s search results. Still, there’s nothing in there to tell us about the data Lighthouse is using to evaluate metrics.

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Speed Google Website Metrics 97

Smashing Magazine

MARCH 7, 2022

Approximately two-thirds of Indian mobile Chrome users of Smashing Magazine have this setting turned on, for example. For Smashing Magazine, that involved dropping some of our web fonts. This could be as simple as logging the values for these options in a Google Analytics Custom Dimension. And Is It Used? Data Saver.

Website 103

Website Media Mobile Network 103

Smashing Magazine

AUGUST 3, 2023

While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. It was only in 2020, though, that Google shared its concept of Core Web Vitals and how it impacts SEO efforts. SEO is key to our success. Bookaway site search. The reportWebVitals function.

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Performance Cache Traffic Metrics 74

Smashing Magazine

OCTOBER 29, 2019

Spend enough time running websites through PageSpeed Insights and you’ll notice that Google has a major beef with traditional image formats like JPG, PNG and even GIF. Here’s what Google suggests: PageSpeed Insights demonstrates how much storage and bandwidth websites stand to save with WebP. Source: Google ) ( Large preview ).

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Website Speed Cache Google 72

Smashing Magazine

FEBRUARY 27, 2024

If you haven’t heard, INP is replacing the First Input Delay (FID) metric, something you can read all about here on Smashing Magazine as a guide to prepare for the change. You’ll also get monitoring alerts, so if there’s a web vitals regression, you’ll find out before it starts impacting Google search results. (yk)

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Performance Metrics Monitoring Google 95

Smashing Magazine

SEPTEMBER 28, 2022

There are millions of sites, and you are in close competition with every one of those Google search query results. Active Memory Caching. When you want to get data that you already had quickly, you need to do caching — caching stores data that a user recently retrieved. Caching Schemes. Agustinus Theodorus.

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Cache Performance Servers Social Media 125

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Adjust the argument depending on the group of stakeholders you are speaking to.

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Performance Cache Media Metrics 145

Smashing Magazine

SEPTEMBER 20, 2021

If you are just starting out wondering if someone might be re-publishing your web content, the easiest thing to do is a Google search. Copy a ten or twelve-word sentence from a page of interest on your site into the Google search bar, put it inside double-quotes, and click on Search. Search Engine And Web Archive Cached Results.

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Website Analytics Cache Google 89

Smashing Magazine

NOVEMBER 8, 2021

On top of this foundation, we add layers of caching, prerendering and edge delivery optimizations — not the other way around. Hydrogen fuels dynamic commerce by uniting React Server Components, streaming server-side rendering, and smart caching controls. Large preview ). This is not a debate about dynamic vs. static.

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Cache Best Practices Strategy Servers 135

Smashing Magazine

JANUARY 21, 2021

A big JavaScript bundle might seem out of place on a magazine that merely publishes articles, but actually, there is plenty of scripting happening behind the scenes. Plus a service worker that caches all static assets and serves them for repeat views, along with cached versions of articles that a reader has already visited.

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Performance Cache Mobile Network 145

Smashing Magazine

JUNE 26, 2019

Instead, I suggest that web designers use another Google testing tool called Test My Site. Test My Site is a mobile page speed testing tool from Think with Google. Although we’ve been told for years that visitors are willing to wait three seconds for a web page to load , Google considers 2.9 Clean coding practices. Minification.

Website 110

Website Speed Mobile Design 110

Smashing Magazine

MARCH 19, 2021

The final prompt for a more aggressive optimization was the “Core Web Vitals” dashboard in the Google Search Console. We first thought that it could be related to the cookie banner adjustments we made recently, but it turned out it was a Google Search Update that seemed to be more aggressively penalizing us for a high CLS.

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Mobile Design Cache Code 140

Smashing Magazine

NOVEMBER 17, 2022

Webpage performance test report for the Smashing Magazine website. Cache Your Images. A website’s performance can suffer if frequently accessed images are not cached, as many requests will be made to images that have already been loaded in the user’s system. Large preview ). The Relation Between Images And Web Performance.

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Media Cache Website Mobile 105

Smashing Magazine

JULY 29, 2019

MB , that suggests I’ve got around 29 pages in my budget, although probably a few more than that if I’m able to stay on the same sites and leverage browser caching. Google Homepage — DOM. There’s a trade-off to be made here, as external stylesheets can be cached but inline ones cannot (unless you get clever with JavaScript ).

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Cache Google Mobile Network 96

Smashing Magazine

JANUARY 6, 2020

Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Note : as TCP generally under-utilizes network connection by a significant amount, Google has developed TCP Bottleneck Bandwidth and RRT ( BBR ), a relatively new TCP delay-controlled TCP flow control algorithm.

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Performance Cache Network Metrics 145

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. Optimizing Network Requests with Caching and Preloading. +.

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Media Cache Google Best Practices 105

Smashing Magazine

MAY 17, 2021

Last year, Google started emphasizing the importance of Core Web Vitals and how they reflect a person’s real experience when visiting sites around the web. It wasn’t long before a sea of red “poor” and yellow “needs improvement” notices in our Google Search Console needed our attention. How We Improved Our Core Web Vitals (Case Study).

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Google Analytics Serverless Metrics 93

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. Optimizing Network Requests with Caching and Preloading. +.

Media 92

Media Cache Google Best Practices 92

Smashing Magazine

JANUARY 7, 2019

The idea is quite straightforward: Push the minimal code needed to get interactive for the initial route to render quickly, then use service worker for caching and pre-caching resources and then lazy-load routes that you need, asynchronously. An application shell is the minimal HTML, CSS, and JavaScript powering a user interface.

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Performance Cache Metrics Network 103

Smashing Magazine

APRIL 29, 2022

The average user doesn’t spend much time waiting for a web page to load or to interact with the page: According to Google, if a page’s load time goes up from 1 second to 3 seconds, the probability of the user bouncing increases by 32%. Consider Google Analytics, which collects and sends tracking data using navigator.sendBeacon().

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Website Google Open Source Mobile 80

Smashing Magazine

JANUARY 15, 2019

Partly as a result of this campaign, Google announced last year that for the first time it had purchased enough renewable energy to match 100% of its global consumption for operations. In this screenshot below, for example, we can see that loading the Smashing Magazine website for the first time incurs just under a megabyte of data transfer.

Website Performance 73

Website Performance Website Energy Performance 73

Smashing Magazine

NOVEMBER 2, 2021

Hence, they can’t be promoted separately or found by users who’ve input a search query in Google. As shown on the screenshots below, the product page of the store can be found via Google. PWAs don’t require installation from the App Store or Google Play to the device to be used (like native apps do). You need a site for that.

Code 74

Code Cache Retail Mobile 74

Smashing Magazine

OCTOBER 26, 2018

My team and I first encountered the strange WordPress-lagging REST API on a client site (not decoupled), where we used the custom endpoints to get the list of locations on a Google map, alongside other meta information created using the Advanced Custom Fields Pro plugin. This last method is known as the “key caching method”.

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Cache Website Speed Database 78

Smashing Magazine

JUNE 1, 2022

The most popular, by far, is the Google Lighthouse report (available in Chrome Developer Tools) and Google’s Page Speed Insights. Configuring WebPageTest to run a test measurement that simulates a failure of the Google Fonts third-party service. These tools fall into several categories. Large preview ). Large preview ).

Website 131

Website Design Network Best Practices 131

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. Client-Side Caching. Caching is the process of storing the results of a computation or request so that they can be accessed repeatedly more quickly. In Conclusion.

Media 69

Media Cache Storage AWS 69

Smashing Magazine

JANUARY 16, 2023

These metrics are used by Google to evaluate the quality of user experience. For the LCP score and its “Resource load time” subpart to be really optimal, you may also consider compressing your images using modern image formats , setting far-future cache expiry headers, or even using a CDN to reduce network distance. Eloïse Martin.

Media 104

Media Mobile Website Metrics 104

Smashing Magazine

APRIL 11, 2022

Loading experience is crucial to the user’s first impression and overall usability, so Google defined Largest Contentful Paint (LCP) metric to measure how quickly the main content loads and is displayed to the user. We are loading the following resources: Google Fonts Stylesheet. See the Pen Prioritizing stylesheets by Adrian Bece.

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Media Tuning Metrics Google 69

Smashing Magazine

OCTOBER 22, 2019

Plus, now that Google has made mobile-first indexing the default, you really can’t afford to let any performance optimizations fall by the wayside what with how difficult it can be to get your mobile site as speedy as your desktop. WebPs have been gaining in popularity since Google introduced them in the early 2010s. Add a CDN.

Mobile 62

Mobile Media Website Storage 62

Smashing Magazine

NOVEMBER 22, 2021

A website’s performance can make or break its success, yet in August 2020, despite many improvements we had previously made, such as implementing Server-Side Rendering (SSR), the ratio of Wix websites with good Google Core Web Vitals (CWV) scores was only 4%. Google search ranking. Large preview ). The Wix Challenge. Heavier websites.

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Website Performance Google Media 126

Smashing Magazine

AUGUST 30, 2021

This is exactly how Smashing Magazine handles its stylesheets. Deferring font stylesheets (Google Font files, for example) could also be beneficial for initial render performance. If you use Google Fonts, Harry Roberts has outlined a strategy for the fastest loading of Google Fonts. Caching Stylesheets.

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Media Performance Cache Strategy 108

Smashing Magazine

APRIL 29, 2021

It’s an initiative by Google to share unified guidance for quality signals that can be key to delivering a great user experience on the web. CWV is part of a set of page experience signals Google Search will be evaluating for ranking. From Speed at Scale with Katie Hempenius and I at Google I/O. Large preview ). Large preview ).

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Media Network Metrics Mobile 145

Smashing Magazine

JUNE 18, 2020

On the other hand, for simple key-value storage that also works on the web, there’s a cross-platform Google-developed first-party plugin package called shared_preferences , which has a Web-specific component called shared_preferences_web which uses NSUserDefaults , SharedPreferences or localStorage depending on the platform.

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Storage Mobile Website Java 93

Smashing Magazine

JULY 6, 2021

We’ve explored the concepts behind headless CMSes in detail here on Smashing Magazine, but let’s do a quick recap. If you see authors turning to other authoring tools such as Google Docs for its commenting or suggestions capabilities, it may be a red flag as to what features you are missing. Technical and sales support.

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Cache Website Mobile Google 143

Smashing Magazine

APRIL 9, 2019

They’d take the hit for the first site to use the file, but then it would sit in their local browser cache and downloads could be skipped for each subsequent site. Googling for your own platform of choice with SRI or Sub Resource Integrity will likely point you in the right direction.

Website 57

Website Servers Code Best Practices 57

Smashing Magazine

SEPTEMBER 6, 2021

This approach was touted to be better for fine-grained caching because each subresource could be cached individually and the full bundle didn’t need to be redownloaded if one of them changed. mvfst (Facebook), MsQuic , (Microsoft), (Google), ngtcp2 , LSQUIC (Litespeed), picoquic , quicly (Fastly). Implementation.

Network 104

Network Servers Cache Traffic 104