Percona

OCTOBER 2, 2023

Caches | 12.4G Caches | 12.4G Caches | 12.4G 2004l# Percona Toolkit System Summary Report ###################### Date | 2023-09-25 14:43:34 UTC (local TZ: CDT -0500) Hostname | testbox Uptime | 44 min, 1 user, load average: 0.47, 0.67, 0.57 Platform | Linux Release | Ubuntu 22.04.3 LTS (jammy) Kernel | 6.2.0-33-generic

Cache 96

Cache Database Virtualization Servers 96

Randon ASCII

JULY 11, 2022

A bug had been filed suggesting that Chrome download speeds (such as those measured by speedtest.net ) seemed to be affected by some anti-virus software. Downloads go through the cache, the cache is saved to disk, and saves to disk are slowed by (some) anti-virus software. As usual, I was minding my own business.

Cache 105

Cache Energy Google Processing 105

CSS Wizardry

MAY 19, 2020

It’s widely accepted that self-hosted fonts are the fastest option: same origin means reduced network negotiation, predictable URLs mean we can preload , self-hosted means we can set our own cache-control. Thus, on a 3G connection, it takes over nine seconds to download each file. Because harry.is

Google 364

Google Media Latency Metrics 364

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Browsers now understand the classic shared HTTP cache behaviour as a privacy bug.

Cache 82

Cache Government Traffic Network 82

Speed Curve

DECEMBER 13, 2023

Are you using a content delivery network (CDN) to bring elements like images closer to your users, so that delivery times are faster? Are you compressing and caching the right things? Even though the hero image – which in and of itself is a fairly well optimized image – has downloaded at around the 2.9

Performance 67

Performance Retail Benchmarking Ecommerce 67

Percona

JUNE 22, 2023

This includes metrics such as query execution time, the number of queries executed per second, and the utilization of query cache and adaptive hash index. query cache: Disable (query_cache_size: 0, query_cache_type:OFF) innodb_adaptive_hash_index: Check adaptive hash index usage to determine its efficiency.

Performance 102

Performance Monitoring Traffic Database 102

CSS Wizardry

MARCH 3, 2019

The best request is the one that never happens: in the fight for fast websites, avoiding the network is far better than hitting the network at all. To this end, having a solid caching strategy can make all the difference for your visitors. ?? How is your knowledge of caching and Cache-Control headers?

Cache 264

Cache Latency Strategy Servers 264

CSS Wizardry

NOVEMBER 9, 2018

CSS is critical to rendering a page—a browser will not begin rendering until all CSS has been found, downloaded, and parsed—so it is imperative that we get it onto a user’s device as fast as we possibly can. download any CSS needed for the current context (medium, screen size, resolution, orientation, etc.) Employ Critical CSS.

Network 278

Network Performance Media Cache 278

The Morning Paper

SEPTEMBER 24, 2019

Using a purpose-built Google Play scraper the team downloaded 252,864 versions of 88,113 different Android apps. Each app was then executed on a physical mobile phone equipped with a custom OS and network monitor. The destination endpoint for the network traffic typically identifies the SDK responsible. most apps).

Systems 74

Systems Traffic Network Google 74

Smashing Magazine

NOVEMBER 2, 2021

PWAs have been around for over five years, yet native applications outnumber them both in the quantity ratio and how many times users download them. This isn’t the case like with native applications whose success is at times predefined by the number of downloads. Why Do Business Owners Opt For Magento PWAs In The 2020s?

Code 74

Code Cache Retail Mobile 74

Smashing Magazine

APRIL 17, 2019

The browser caches the results of these lookups, but they can be slow. This typically happens once per server and takes up valuable time — especially if the server is very distant from the browser and network latency is high. Get it wrong, and you’ve wasted time and resources in downloading something that isn’t going to be used.

Performance 106

Performance Games Servers Cache 106

KeyCDN

SEPTEMBER 12, 2019

An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network. KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive. It also allows for additional control over the caching of your images as well as hotlink protection.

Social Media 106

Social Media Media Google Website 106

Adrian Cockcroft

JANUARY 29, 2023

The code is written using the R statistics language and I downloaded a free copy of RStudio to run the examples below. > Changes in behavior of the system from minute to minute is going to change the height of each peak, as the workload mix and cache hit rates change.

Lambda 98

Lambda Latency Cache Traffic 98

Tim Kadlec

MARCH 14, 2019

In addition to the requirement that Data Saver mode is enabled, Lite pages will be applied: …when the network’s effective connection type is “2G” or “slow-2G,” or when Chrome estimates the page load will take more than 5 seconds to reach first contentful paint given current network conditions and device capabilities.

Google 63

Google Traffic Cache Servers 63

CSS - Tricks

JULY 25, 2019

Cache-Headers missing? Lighthouse uses Chrome’s Remote Debugging Protocol to read network request information, measure JavaScript performance, observe accessibility standards and measure user-focused timing metrics like First Contentful Paint , Time to Interactive or Speed Index. After that, it’ll be mitigated by cache.

Google 71

Google Engineering Speed Mobile 71

Tim Kadlec

SEPTEMBER 6, 2018

The other week, there were a few articles that came out about Chrome’s NOSCRIPT intervention: an intervention that would disable JavaScript altogether on slow networks. Chrome intervening on behalf of the user when it feels the network is iffy isn’t exactly new. What exactly does it do? The Data Saver proxy is enabled.

Network 71

Network Testing Cache Google 71

Rigor

JULY 2, 2019

Because of the redirection, our total HTML request, download, and render time took an additional 156 ms – for a total of 521 ms. Time spent on redirect is most noticeable on mobile devices, especially since they tend to use slower networks. The first call was for the resource that we thought was located at [link].

Mobile 60

Mobile Traffic Google Latency 60

Alex Russell

MAY 4, 2016

But doesn’t AppCache let you cache documents you might want offline? ” , you say, “doesn’t AppCache also allow you to put documents in the cache directly, bypassing all of that?” The legacy web, however, can take as long as the TCP timeout (2 minutes in many devices) to end in failure. “But wait!”

Performance 43

Performance Cache Google Network 43

SQL Performance

SEPTEMBER 17, 2019

For years SSRS was bundled with the installation of SQL Server, which helped add to some of the confusion around licensing and support for the product, so beginning with SSRS 2017, the installation package for Reporting Services is a separate download. These topics apply to both SQL Server Reporting Services as well as Power BI Report Server.

Tuning 67

Tuning Servers Database Best Practices 67

Smashing Magazine

JANUARY 15, 2019

This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. how much data does the browser have to download to display your website) and resource usage of the hardware serving and receiving the website. Reduce Network Requests. Large preview ).

Website Performance 73

Website Performance Website Energy Performance 73

CSS - Tricks

APRIL 1, 2021

seconds faster on average and it drove 60 million more Firefox downloads per year. Using a network request inspector, I’m going to see if there’s anything we can remove via the Network panel in DevTools. In DevTools, the Network inspector helps us see what the first webpage is doing too.

Cache 92

Cache Social Media Media Website 92

The Netflix TechBlog

OCTOBER 29, 2020

The high likelihood of unreliable network connectivity led us to lean into mobile solutions for robust client side persistence and offline support. Poor network connectivity coupled with frequently changing configuration values in response to user activity means that on-device rule evaluation is preferable to server-side evaluation.

Mobile 279

Mobile Cache Network Architecture 279

Smashing Magazine

NOVEMBER 22, 2021

While mobile devices have come a long way in terms of network and CPU speed, many of them are still significantly underpowered when compared to desktops, especially in countries where mobile connectivity is still poor. In addition, this significantly reduced the amount of JavaScript code that needs to be downloaded by the browser.

Website 126

Website Performance Google Media 126

The Netflix TechBlog

SEPTEMBER 24, 2021

From chunk encoding to assembly and packaging, the result of each previous processing step must be uploaded to cloud storage and then downloaded by the next processing step. Uploading and downloading data always come with a penalty, namely latency. For write operations, those challenges do not apply.

Cloud 237

Cloud Media Storage Cache 237

Smashing Magazine

AUGUST 3, 2023

You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. Download Time of HTML This is the time it takes to download the page’s HTML file. Adding to this complexity is the effect of seasonality.

Performance 74

Performance Cache Traffic Metrics 74

Smashing Magazine

AUGUST 30, 2021

By default, CSS is a render-blocking resource , meaning that the website won’t be displayed to the user until all linked stylesheets and their dependencies (fonts, for example) have been downloaded and parsed by the browser. We know that it shouldn’t be referenced in the HTML head element when the page HTML is first downloaded.

Media 108

Media Performance Cache Strategy 108

Smashing Magazine

OCTOBER 2, 2023

Jump to the workshops ↬ Using CDN For Caching And WebP For Lighter File Sizes As I mentioned a little earlier, our stack includes Sanity’s CMS. It offers a robust content delivery network (CDN) out of the box , which serves two purposes: (1) optimizing image assets and (2) caching them. image preload options. <head>

Cache 72

Cache Strategy Best Practices Design 72

Dean Hume

OCTOBER 24, 2016

Instead of waiting for the HTTP response, it allows the server to “push” the resources it thinks the client will need into its cache. These two files aren’t anything fancy, they log basic data to the console once they have been downloaded and parsed. With HTTP/1.1, This is where Server Push is a game changer.

Servers 40

Servers Website Games Cache 40

Dean Hume

OCTOBER 24, 2016

Instead of waiting for the HTTP response, it allows the server to “push” the resources it thinks the client will need into its cache. These two files aren’t anything fancy, they log basic data to the console once they have been downloaded and parsed. With HTTP/1.1, This is where Server Push is a game changer.

Servers 40

Servers Website Games Cache 40

Dean Hume

OCTOBER 24, 2016

Instead of waiting for the HTTP response, it allows the server to “push” the resources it thinks the client will need into its cache. These two files aren’t anything fancy, they log basic data to the console once they have been downloaded and parsed. With HTTP/1.1, This is where Server Push is a game changer.

Servers 40

Servers Website Games Cache 40

Percona

APRIL 24, 2023

The more indexes, the more the requirement of memory for effective caching. Indexes need more cache than tables Due to random writes and reads, indexes need more pages to be in the cache. Cache requirements for indexes are generally much higher than associated tables. Download Percona Distribution for PostgreSQL Today!

Tuning 123

Tuning Cache Storage Database 123

Smashing Magazine

JULY 29, 2019

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 speed of mobile networks, too, varies considerably between countries. South Korea has the fastest mobile download speed , averaging 52.4 Mbps download and 0.7

Cache 96

Cache Google Mobile Network 96

Tim Kadlec

MAY 11, 2010

Leverage browser caching. Leverage proxy caching. Parallelize downloads across hostnames. Specify a cache validator. The rules range from common rules like optimize your images, to lesser known techniques like defining a character set early. Minimize DNS lookups. Remove unused CSS. Minify CSS. Minify HTML.

Speed 40

Speed Performance Open Source Cache 40

The Netflix TechBlog

JULY 1, 2019

Development As part of developing this type of UI experience on any platform, we knew we would need to think about creating smooth, performant animations with a balance between quality and download size for the images and video previews, all without degrading the performance of the app. images no longer in the viewport).

Cache 166

Cache Design Testing Development 166

Smashing Magazine

JULY 18, 2022

If users have a slow network or a slow computer, they will see an ugly loader while their joke is being downloaded. The “stale-while-revalidate” cache control strategy can reduce the TTFB issue by serving a cached version of the page until it’s updated. Remember that most visitors browse via a mobile device! middlewares.

Cache 114

Cache Website Energy Servers 114

Smashing Magazine

NOVEMBER 4, 2021

We’ll be learning how to do this with GraphQL Features like Cache Update, Subscriptions, and Optimistic UI. website to download the latest version. Updating the cache directly using update function on the useMutation. Updating the cache directly using update function on the useMutation. If not, just go to the Node.js

Cache 114

Cache Servers Transportation Code 114

IO River

NOVEMBER 2, 2023

This is where a well-architected Content Delivery Network (CDN) shines. The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings. Given its unchanging nature, static content is ideal for caching. This is what buffering means in terms of video streaming.

Architecture 52

Architecture Performance Internet Internet 52