Brendan Gregg

MARCH 16, 2024

It fails because of a compiler optimization where the frame pointer register is used to store data instead of the frame pointer, but it's just a number so the profiler is unaware this happened and tries to match that address to a function symbol and fails (it is therefore an unknown symbol). You usually get an extra junk frame.

Java 145

Java Cache Google Hardware 145

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.

Performance 75

Performance Cache Traffic Metrics 75

The Morning Paper

SEPTEMBER 10, 2019

Procella: unifying serving and analytical data at YouTube Chattopadhyay et al., Anchored in the primary use case of supporting Google’s YouTube business, what we’re looking at here could well be the future of data processing at Google. Because they had too many data processing systems! ;). VLDB’19.

Analytics 75

Analytics Latency Cache Google 75

Smashing Magazine

NOVEMBER 8, 2021

From connecting back-office operations to front-of-the-house A/B testing and dynamic personalization for each customer, the shared foundation is fast server-side rendering powered by fast storefront data access. Surveying the existing landscape of available developer tools and runtimes, we felt that there is a gap. Large preview ).

Cache 137

Cache Best Practices Strategy Servers 137

Smashing Magazine

DECEMBER 23, 2020

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. The service workers also retrieve the latest data once the server connection is restored. Cached content with IndexedDB. Service Workers. Application shell architecture.

Cache 125

Cache Internet Internet Google 125

Smashing Magazine

OCTOBER 31, 2023

Still, there’s nothing in there to tell us about the data Lighthouse is using to evaluate metrics. Why do we need Lighthouse at all when Google also offers similar reports in PageSpeed Insights (PSI)? What Does It Mean When PageSpeed Insights Says It Uses “Real-User Experience Data”? That’s what this article is about.

Speed 99

Speed Google Website Metrics 99

Dynatrace

AUGUST 30, 2019

We have several YouTube Tutorials and blog posts available that show how you can use Dynatrace RUM data for Web Performance & User Experience Optimization. Missing Cache Settings – Make sure you cache resources that don’t change often on the browser or use a CDN. Improve Above-the-fold User Experience with Dynatrace.

Cache 190

Cache Architecture Database Government 190

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

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

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory.

Performance 110

Performance Latency Cache Virtualization 110

The Morning Paper

JUNE 23, 2019

Coupled with stateless application servers to execute business logic and a database-like system to provide persistent storage, they form a core component of popular data center service archictectures. session state that you want to survive an application process crash), and to keep the application server/services layer stateless.

Cache 79

Cache Latency Google Lambda 79

Tim Kadlec

APRIL 10, 2023

There was a comment on Twitter today from Rafael Gonzaga expressing disappointment in what he sees as a tendency to focus on the frontend solely in performance discussions, while neglecting the server-side aspect. For both desktop and mobile data, the 80 / 20 rule still holds strong. Site Rank backend frontend Top 1,000 12.7%

Performance 111

Performance Servers Mobile Metrics 111

Smashing Magazine

JULY 29, 2019

Many of us are lucky enough to be on mobile plans which allow several gigabytes of data transfer per month. Failing that, we are usually able to connect to home or public WiFi networks that are on fast broadband connections and have effectively unlimited data. The Cost Of Mobile Data. Data is expensive in parts of Europe too.

Cache 97

Cache Google Mobile Network 97

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

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

The Morning Paper

NOVEMBER 19, 2019

Local-first software: you own your data, in spite of the cloud Kleppmann et al., Google Docs, Trello, …). The primary issue with cloud apps (the SaaS model) is ownership of the data. In a sense, you don’t have full ownership of that data— the cloud provider does. I’m all in :). The rock or the hard place?

Cloud 83

Cloud Software Software Internet 83

CSS - Tricks

MAY 3, 2021

Everything is there that always was, but more (like… Chrome User Experience Data pulled right into your Chrome test results so you can see how closely your test matches what Chrome is seeing, and Core Web visualizations right in the waterfall). google-analytics.com", "sanList":[ "*.google-analytics.com", It’s still free.

Transportation 86

Transportation Cache Google Mobile 86

Randon ASCII

JULY 11, 2022

This slowdown may be mitigated in Windows 11 but in the latest Windows Server editions – where it matters most – this bug is alive and well. Downloads go through the cache, the cache is saved to disk, and saves to disk are slowed by (some) anti-virus software. By “a lot” of processors I mean probably 96 or more. Case closed.

Cache 105

Cache Energy Google Processing 105

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

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It will help you build up a company-tailored case study with real data. Large preview ). Large preview ).

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

SEPTEMBER 20, 2021

Web scraping can be used to harvest marketing data, such as identifying good keywords for advertising campaigns, identifying trending topics for blog posts, or identifying influencers in important blogs and news sites. You could maybe script up some Google searches to run these kinds of checks periodically.

Website 91

Website Analytics Google Cache 91

Smashing Magazine

AUGUST 9, 2022

Essentially, a web vital is a quality standard for UX and web performance set by Google. It can be measured based on real data from users visiting your sites ( field metric ) or in a lab environment ( lab metric ). It measures the web performance of a single page using Google PageSpeed Insights. Large preview ).

Performance 131

Performance Benchmarking Website Metrics 131

CSS - Tricks

JUNE 5, 2020

In the show, Google is portrayed by the fictional company Hooli, which is after Pied Piper’s intellectual property. The funny thing is that, while being far from a startup, Google does indeed have a powerful compression engine in real life called Brotli. Maybe that’s why Pied Piper had to continue rigging its servers for more power.

Cache 79

Cache Website Servers Open Source 79

MachMetrics

DECEMBER 14, 2019

By analyzing the data from Backlinko.com and their Page Speed Stats article, we’ll look to answer these questions: What size should be a website be? How fast is the average time to first byte (server delay)? Unfortunately, the data from Backlinko paints a bleak picture when it comes to mobile internet browsing.

Best Practices 105

Best Practices Speed Mobile Google 105

Tim Kadlec

JUNE 21, 2022

HTTP/3 work started in 2012 with Google working on QUIC, adopted by IETF in 2017, RFC’s published in June 2022. No server push! The RSVP problem: HTTP/3 might be blocked on the network or may not be enabled on the server. So the browser will only try HTTP/3 if it’s certain the server supports it. What and Why?

Network 64

Network Mobile Google Cache 64

KeyCDN

DECEMBER 8, 2022

A WordPress website comprises many parts, including web servers and their settings, different plugins, and themes. Many factors affect the speed of your WordPress website; some of them are: Your web host Server-side optimizations (PHP version, compression, caching, etc.) Traditionally, most WordPress hosts manage the caching.

Cache 52

Cache Website Speed Website Performance 52

Dotcom-Montior

AUGUST 5, 2020

Browser Caching: Although it may seem commonplace, caching is sometimes overlooked. Depending on how often you change content, you may want to set a long expiration time for your cache. Caching can ensure your browser doesn’t have to load all those elements if a visitor returns to your pages.

Website 92

Website Speed Cache Traffic 92

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It will help you build up a company-tailored case study with real data.

Performance 104

Performance Cache Metrics Network 104

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory.

Performance 52

Performance Latency Cache Virtualization 52

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

High Scalability

JULY 20, 2018

Cliff Click : The JVM is very good at eliminating the cost of code abstraction, but not the cost of data abstraction. That means multiple data indirections mean multiple cache misses. Mark LaPedus : MRAM, a next-generation memory type, is being touted as a replacement for embedded flash and cache applications.

Internet 121

Internet Internet Scalability Automotive 121

High Scalability

NOVEMBER 25, 2019

There are a couple of downsides though in case you are looking to use it to support tens of thousands of users working on hundreds of millions of files simultaneously containing petabytes of data. To help our customers manage ongoing data explosion, we have designed many of the core components over the last few years. Edge caching.

Architecture 52

Architecture Cache Azure Storage 52

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

Dotcom-Montior

MARCH 27, 2022

Any website request initially goes to the DNS server to fetch the IP address of the website and accesses it on the responded address. If the DNS caches are manipulated to contain wrong IP addresses, it’s called DNS poisoning. Let’s take a look at different methodologies incorporated in the Great Firewall of China. Blocking VPNs.

Website 82

Website Internet Internet Performance 82

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

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

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().

Website 82

Website Google Open Source Mobile 82