Brendan Gregg

MARCH 16, 2024

To explain this example in more detail: The profiler periodically interrupts software execution, and for those disconnected stacks it happens to be the execution of the kernel software ("vfs*", "ext*", etc.). These partial stacks get grouped together on the left. Click here for a longer explanation. You usually get an extra junk frame.

Java 145

Java Cache Google Hardware 145

Dynatrace

SEPTEMBER 13, 2023

And how can you verify this performance consistently across a multicloud environment that also uses Microsoft Azure and Google Cloud Platform frameworks? For example, optimizing resource utilization for greater scale and lower cost and driving insights to increase adoption of cloud-native serverless services.

AWS 246

AWS Efficiency Azure Cloud 246

MachMetrics

FEBRUARY 27, 2020

If you’re not a developer/designer, you may not be familiar with the Chrome DevTools and the extremely powerful Google Lighthouse Audits that can be found inside. However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. Performance. Accessibility.

Google 82

Google Speed Testing Tools Testing 82

Smashing Magazine

DECEMBER 23, 2020

You’ll also find example code or references to more specific guides so you can implement these tips to your PWA. The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. Cached content with IndexedDB. Service Workers.

Cache 125

Cache Internet Internet Google 125

CSS - Tricks

JULY 25, 2019

Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Last year, Google made two significant changes to their search indexing and ranking algorithms : In March, indexing became based on the mobile version of a page , rather than desktop. Cache-Headers missing?

Google 71

Google Engineering Speed Mobile 71

Speed Curve

FEBRUARY 5, 2024

Google recommends that TTFB be 800ms at the 75th percentile. Caching the base page/HTML is common, and it should have a positive impact on backend times. Key things to understand from your CDN Cache Hit/Cache Miss – Was the resource served from the edge, or did the request have to go to origin?

Servers 57

Servers Cache Retail Benchmarking 57

The Morning Paper

MAY 23, 2019

Compress objects, not cache lines: an object-based compressed memory hierarchy Tsai & Sanchez, ASPLOS’19. Last time out we saw how Google have been able to save millions of dollars though memory compression enabled via zswap. If we compress objects instead of cache lines though, we can get to a 56% compression ratio (c).

Cache 61

Cache Benchmarking Hardware Java 61

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. Jamstack files usually use Markdown before being compiled to HTML, for example: author: Agustinus Theodorus title: ‘Title’ description: Description. Active Memory Caching. Caching Schemes. Hello World.

Cache 127

Cache Performance Servers Social Media 127

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.

Cache 136

Cache Best Practices Strategy Servers 136

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. Here are some examples: Looker Studio filter. SEO is key to our success.

Performance 74

Performance Cache Traffic Metrics 74

KeyCDN

SEPTEMBER 3, 2020

WebP is the way to go WebP was first developed by Google back in 2010 and has now become the successor of JPEG. Even if a browser doesn't support WebP, our WebP caching feature will ensure that the correct image format is delivered. WebP delivery doesn't require any change on the origin server with the WebP caching feature.

Processing 127

Processing Cache Website Servers 127

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 ). It will help you build up a company-tailored case study with real data.

Performance 145

Performance Cache Media Metrics 145

Dynatrace

DECEMBER 20, 2021

For example, the <body> element of your page exists on one branch of this tree structure, with any <img> assets branching off. Consider the example of “rage clicks,” which are rapid clicks (or taps) on the same spot when a feature is unresponsive. For example, are all user bounces caused by the same issue?

Mobile 246

Mobile Website Analytics Cache 246

MachMetrics

JUNE 30, 2021

With the latest introduction of the Core Web Vital section on GSC + upcoming Google’s core web vital update, site owners are forced to take note of their website speed and web vitals. Importance of page loading speed – Google checks your website load time and they like it as fast with a better user experience.

Cache 78

Cache Speed Google Website 78

CSS - Tricks

APRIL 1, 2021

Google’s industry benchmarks from 2018 also provide a striking breakdown of how each second of loading affects bounce rates. Source: Google /SOASTA Research, 2018. Speed is also something Google considers when ranking your website placement on mobile. Compressing, minifying and caching assets. Lighthouse.

Cache 92

Cache Social Media Media Website 92

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 ).

Website 72

Website Speed Cache Google 72

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.

Speed 99

Speed Google Website Metrics 99

Dynatrace

OCTOBER 15, 2021

Traces are the act of following a process (for example, an API request or other system activity) from start to finish, showing how services connect. This occurs once data is safely stored within a local cache. Then, Google made the OpenCensus project open source in 2018.

Open Source 219

Open Source Metrics Cloud Transportation 219

Dynatrace

AUGUST 30, 2019

Missing Cache Settings – Make sure you cache resources that don’t change often on the browser or use a CDN. Missing caching layers, e.g. provide a read-only cache for static data. MAMPU showed two great examples for this section; database connectivity and web-server threats. Benefits: Increased user adoption.

Cache 198

Cache Architecture Database Government 198

Smashing Magazine

JUNE 2, 2021

Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. And while you can usually cache the full page of an article, the same is not true of many shop pages and elements. Additionally, page speed is a ranking factor for search and also for your Google Ads. Jennifer Brehm.

Performance 117

Performance Cache Website Mobile 117

The Morning Paper

JUNE 23, 2019

Generally to cache data (including non-persistent data that never sees a backing store), to share non-persistent data across application services (e.g. ” Even re-reading that today, the letter of the law there is surprisingly strict to me: you can use the local memory space or filesystem as a brief single transaction cache, but no more.

Cache 79

Cache Latency Google Lambda 79

Jos

APRIL 6, 2018

You can find more examples on “ React Higher Order Components in depth “ by Fran Guijarro. Look at this example taken from react-media: const MyComponent = ( ) = > (. < Or loading a 3rd party component like a Google Map, with all its additional assets needed to render the thing? const MyComponent = props = > (. <

Code 147

Code Performance Media Google 147

Smashing Magazine

SEPTEMBER 20, 2021

For example, someone might web scrape all the product pages of a competitor’s retail site to harvest information about products being offered and current pricing to try to gain a competitive edge. 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.

Website 90

Website Analytics Cache Google 90

KeyCDN

SEPTEMBER 12, 2019

Most of you have probably seen the following Google PageSpeed Insights optimization suggestion at one point or another when running a speed test: By compressing and adjusting the size of … you can save 14.2 KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive.

Social Media 106

Social Media Media Google Website 106

Tim Kadlec

MARCH 19, 2018

You have to consider at least four different contexts: How well does AMP perform in the context of Google search? How well does AMP perform when the library is served using the AMP cache? How well does AMP perform in the context of Google search? In the context of Google search, then, AMP performs remarkably well.

Cache 79

Cache Google Speed Metrics 79

Smashing Magazine

JULY 29, 2019

This metric is a little difficult to comprehend, so here’s an example: if the average cost of broadband packages in a country is $22, and the average download speed offered by the packages is 10 Mbps, then the cost ‘per megabit per month’ would be $2.20. Google Homepage — DOM. 402 KB transferred, 1.1 MB resources, 24 requests.

Cache 97

Cache Google Mobile Network 97

Jos

APRIL 5, 2018

You can find more examples on “ React Higher Order Components in depth “ by Fran Guijarro. Look at this example taken from react-media: const MyComponent = ( ) = > (. < The example page we are going to use contains several sections or blocks: a header (these days, a large hero image taking the whole above-the-fold area).

Code 130

Code Performance Google Media 130

CSS - Tricks

MAY 3, 2021

google-analytics.com", "sanList":[ "*.google-analytics.com", google-analytics.com", "*.fps.goog", Catchpoint is very likely to do more with WebPageTest over time, and it will be driven by these same APIs. I think that’s important to know. Linux; Android 6.0.1; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85

Transportation 86

Transportation Cache Google Mobile 86

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).

Google 95

Google Analytics Serverless Metrics 95

Tim Kadlec

APRIL 10, 2023

10% 90% Google 25% 75% MySpace 9% 91% MSN 5% 95% ebay 5% 95% Amazon 38% 62% YouTube 9% 91% CNN 15% 85% When Steve Souders repeated it in 2012 , he found much the same. I’ve seen a lot of sites suffering from extremely volatile TTFB metrics that vary dramatically based on geography or whether or not there’s a cache hit or miss.

Performance 111

Performance Servers Mobile Metrics 111

KeyCDN

DECEMBER 8, 2022

Many factors affect the speed of your WordPress website; some of them are: Your web host Server-side optimizations (PHP version, compression, caching, etc.) KeyCDN Website Speed Test, GTmetrix, Google PageSpeed Insights, WebPageTest, and Pingdom Tools are some great choices. Traditionally, most WordPress hosts manage the caching.

Cache 52

Cache Website Speed Website Performance 52

Smashing Magazine

JANUARY 6, 2020

Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Rather than focusing on full page loading time (via onLoad and DOMContentLoaded timings, for example), prioritize page loading as perceived by your customers. What does it mean?

Performance 145

Performance Cache Network Metrics 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. An example of your page speed test results from Test My Site. For example: Think with Google suggests the typical page speed optimizations.

Website 110

Website Speed Mobile Design 110

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

CSS Wizardry

AUGUST 13, 2019

An outgoing request from a whitelisted domain returns a 302 , forwarding the request to a self-hosted CSS file that is optimised specifcally for your browser, OS, and UA (Google Fonts do something similar). To further exacerbate the problem, the 302 response has a Cache-Control: must-revalidate, private.

Latency 203

Latency Cache Strategy Media 203

Dean Hume

MAY 16, 2018

If you’ve ever tried to build a web application that is completely offline first, you’ll know how tricky it can be to make changes to the users cache when you do make updates to the site and the user has connectivity. You’ll also learn how to refresh the page, so that the user is up to date and has the latest version of any cached files.

Availability 100

Availability Cache Code Google 100

Speed Curve

FEBRUARY 25, 2024

In this post I'm going to walk through: How I help people identify the causes of poor INP times Examples of some of the most common issues Approaches I've used to help sites improve their INP Identifying Interactions The Chrome UX Report (CrUX) can provide a high-level view of INP.

Analytics 91

Analytics Processing Google Mobile 91