Dynatrace

JULY 24, 2023

Observability data provides a treasure trove of performance, stability, and user experience metrics encompassing error rates, response times, and user engagement. With swift precision, an answer-driven automation solution that uses causal AI can transform these metrics into invaluable insights. Download the free 2023 CIO Report.

DevOps 246

DevOps Traffic Efficiency Servers 246

Dynatrace

JULY 21, 2020

Whether you need to make sure that your SQL database is listening on port 1433 even when there is no traffic, that your switch is responding to a ping or that your DNS server is up and running, the more devices you proactively monitor, the quicker you can react to unforeseen events. Get started with Dynatrace extensions.

Infrastructure 213

Infrastructure Monitoring Open Source Traffic 213

The Netflix TechBlog

OCTOBER 7, 2021

The first is where an application package is downloaded from the service or a CDN. In contrast, a server application runs on servers which are typically identical and a routing abstraction can serve sampled traffic to new versions. Client Applications We deal with two classes of client application updates.

Metrics 206

Metrics Mobile Testing Strategy 206

Smashing Magazine

MAY 12, 2022

One of the costs that Noam mentions is the increased download size, especially JavaScript bundle sizes, that stem from the use of frameworks and other libraries. In particular, the increase in the amount of downloaded JavaScript can have a direct impact on website performance. I highly recommend checking out these articles.

Google 136

Google Performance Website Mobile 136

CSS Wizardry

SEPTEMBER 16, 2024

Latency is a key limiting factor on the web: given that most assets fetched by webpages are relatively small (compared to, say, downloading a software update or streaming a movie), we find that most experiences are latency-bound rather than bandwidth-bound. RTT data should be seen as an insight and not a metric.

Latency 234

Latency Cache Transportation Mobile 234

The Netflix TechBlog

OCTOBER 16, 2019

High-level architecture Client The Gutenberg client library handles tasks such as subscription management, S3 uploads/downloads, Atlas metrics , and knobs you can tweak using Archaius properties. One example of this is to download data for a given topic and version?—?this Retry logic is baked in and configurable?—?for

Cache 191

Cache Architecture Metrics Java 191

Dynatrace

MAY 15, 2019

Updated sliding time-frame window for custom metrics. Until now we had a sliding window of 28 days for custom metrics, which meant that you could consume unique metrics up to your licensed quota within a time frame of 28 days. This also meant that you had to wait 28 days until you could start collecting new metrics.

Storage 145

Storage Metrics Strategy Java 145

Smashing Magazine

MARCH 6, 2025

The Four LCP Subparts LCP subparts split the Largest Contentful Paint metric into four different components: Time to First Byte (TTFB) : How quickly the server responds to the document request. Resource Load Delay : Time spent before the LCP image starts to download. Resource Load Time : Time spent downloading the LCP image.

Website 59

Website Google Speed Metrics 59

Tim Kadlec

JANUARY 12, 2021

The Optimizely script is 133.2kb, and it’s loaded as a blocking script (meaning, the browser won’t parse any more HTML until it gets downloaded and executed). to download. Once it’s downloaded, we see some execution of the script (the pink block following the request). First Contentful Paint dropped from 4.4s

Testing 137

Testing Google Traffic Servers 137

Rigor

JULY 11, 2019

Additionally, teams are measuring and tracking key business metrics – conversion rates, cart abandonment rates, customer lifetime value, revenue by traffic source, and so on. Why Are User-centric Metrics Essential for Ecommerce? Which Metrics Matter for Ecommerce? ” The short answer is, “ It depends.

Ecommerce 87

Ecommerce Metrics Website Mobile 87

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. That said, it should also be monitored for usage, which will exhibit the traffic pressuring them. This is not an exhaustive list but an example of what we can watch for.

Performance 135

Performance Monitoring Traffic Database 135

Smashing Magazine

DECEMBER 19, 2021

Previous metrics measured variations of the first paint to screen (often this was a header or background color); incidentally content that isn’t really what the user actually wants to get out of the page. And the “contentful” part of the name shows this metric is intended to ignore (e.g. And NOW we were finally done. Why is that?

Google 144

Google Traffic Mobile Website 144

Tim Kadlec

MAY 21, 2020

By serving one version of the site with instant.page in place to some traffic, and a site without it to another, I could compare the performance of them both over the same timespan and see how it shakes out. It would have only taken moments in SpeedCurve to see live traffic come through, but I’m an impatient person.

Testing 128

Testing Traffic Tuning Code 128

Percona

DECEMBER 21, 2023

The backend is a single one where the “passive” PMM instance (the one that is a pure “read replica”) is marked as “backup” so that traffic is only routed there in case the primary fails the health check. Download Percona Monitoring and Management Today

Availability 122

Availability Monitoring Open Source Traffic 122

Percona

AUGUST 8, 2023

Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. But we can discuss common bottlenecks, how to assess them, and have a better understanding as to why proactive monitoring is so important when it comes to responding to traffic growth.

Traffic 98

Traffic Cache Monitoring Database 98

Smashing Magazine

MARCH 2, 2021

These days, with mobile traffic accounting for over 50% of web traffic , it’s fair to assume that the very first encounter of your prospect customers with your brand will happen on a mobile device. However, there are quite a few high-profile case studies exploring the impact of mobile optimization on key business metrics.

Mobile 142

Mobile Testing Website Benchmarking 142

Smashing Magazine

APRIL 16, 2024

There are three web vitals metrics Google uses to measure different aspects of website performance: Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), Interaction to Next Paint (INP). Large preview ) Largest Contentful Paint (LCP) The Largest Contentful Paint metric is the closest thing to a traditional load time measurement.

Google 124

Google Monitoring Website Speed 124

The Netflix TechBlog

MARCH 7, 2024

Once we have discovered the Parquet files to be processed, MetaflowDataFrame takes over: it downloads data using Metaflow’s high-throughput S3 client directly to the process’ memory, which often outperforms reading of local files. The back-end auto-scales the number of instances used to back your service based on traffic.

Systems 235

Systems Media Cache Open Source 235

Dynatrace

AUGUST 9, 2023

In this blog post, we’ll use Dynatrace Security Analytics to go threat hunting, bringing together logs, traces, metrics, and, crucially, threat alerts. To keep it real, we have a load generator that creates benign traffic. It also generates  OpenTelemetry  traces. Scanned our internal network with  nmap.

Analytics 246

Analytics AWS Infrastructure Strategy 246

Dotcom-Montior

AUGUST 5, 2020

As an ad publisher, your revenue depends on two main factors: traffic to your site and ad optimization. A lot of the focus goes into the practice and processes of driving traffic to your site from an SEO perspective, but what if when visitors get to your site, they have a less than ideal experience? Optimize Your Pages.

Website 92

Website Speed Cache Traffic 92

Smashing Magazine

AUGUST 9, 2021

As a second example, TCP sees all of the data it transports as a single “file” or byte stream , even if we’re actually using it to transfer several files at the same time (for example, when downloading a web page consisting of many resources). In the early days of the Internet, encrypting traffic was quite costly in terms of processing.

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. The higher our organic traffic, the more profitable we become as a company.

Performance 78

Performance Cache Traffic Metrics 78

Smashing Magazine

JUNE 8, 2021

Jump to the details ↓ Download a free PDF sample (12MB). Download PDF , ePUB , Kindle. Downloading files such as images or videos over the network can be slow and costly. For sites with large traffic and a global reach, basic optimizations at build time are usually not enough. Download PDF , ePUB , Kindle.

Media 124

Media Cache Google Best Practices 124

Smashing Magazine

APRIL 19, 2021

Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. The Core Web Vitals are a set of three metrics designed to measure the “core” experience of whether a website feels fast or slow to the users, and so gives a good experience.

Google 143

Google Metrics Mobile Analytics 143

Smashing Magazine

JUNE 1, 2022

They can also highlight very long redirection chains in your third-party traffic. Researchers and major companies have been publishing case studies for years , proving that slower page load experiences impact business metrics, including conversion rate, revenue, bounce rate, and more. Other blocking effects. Design Optimizations.

Website 138

Website Design Network Testing 138

Alex Russell

MARCH 31, 2022

Suppose a user has only downloaded part of the cache. Without pervasive SRI , it's difficult to justify the potential download size hit of a shared cache, not to mention the ongoing required updates. The bigger the download, the less likely users are to switch. That's how much wire size matters. Back of the Napkin #.

Cache 89

Cache Government Traffic Network 89

Smashing Magazine

APRIL 28, 2021

Jump to the details ↓ Download a free PDF sample (12MB). Download PDF , ePUB , Kindle. Downloading files such as images or videos over the network can be slow and costly. For sites with large traffic and a global reach, basic optimizations at build time are usually not enough. Download PDF , ePUB , Kindle.

Media 105

Media Cache Google Best Practices 105

Smashing Magazine

MARCH 6, 2025

The Four LCP Subparts LCP subparts split the Largest Contentful Paint metric into four different components: Time to First Byte (TTFB) : How quickly the server responds to the document request. Resource Load Delay : Time spent before the LCP image starts to download. Resource Load Time : Time spent downloading the LCP image.

Website 62

Website Google Speed Metrics 62

Smashing Magazine

JULY 29, 2019

South Korea has the fastest mobile download speed , averaging 52.4 Mbps download and 0.7 The USA ranks 40th in the world for mobile download speeds, at around 34 Mbps, and is at risk of falling further behind as the world moves towards 5G. For reference, the metric is $1.19 Mbps, but Iraq has the slowest, averaging 1.6

Cache 99

Cache Mobile Google Network 99

CSS - Tricks

SEPTEMBER 21, 2020

I can guess that maps pretty well to other platforms and other performance metrics. If I made the browser download a 50 KB JavaScript library just to implement my little open/close element, then yes, it does matter, and the JavaScript version is less efficient. Website traffic. Imagine images. Data transfer over the wire 2.

Website 98

Website Energy Storage Servers 98

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. Let’s focus on how these resources are requested and downloaded. Without priority hints. Large preview ).

Media 78

Media Tuning Metrics Google 78

Smashing Magazine

DECEMBER 17, 2020

Note : You can also just download the checklist (PDF, 158 KB). Following best practice usually means a better website, more organic traffic, and happier visitors. Prioritizing Metrics Online metrics are almost limitless. Table Of Contents. Get Ready: A Healthy Mindset. Setting Realistic Goals. Defining The Environment.

Engineering 135

Engineering Google Website Mobile 135

Alex Russell

JULY 14, 2021

Meanwhile, on Android, the #2 and #3 sources of web traffic do not respect browser choice. This reduces friction and commensurately increases "engagement" metrics. [6]. On Android today and early iOS versions, WebViews allow embedders to observe and modify all network traffic (regardless of encryption). How can that be?

Google 134

Google Mobile Engineering Internet 134

CSS - Tricks

JULY 25, 2019

Lighthouse records metrics from the browser, applies a scoring model to them, and presents an overall performance score. Guidelines for improvement are suggested based on how specific metrics score. During performance tests, Lighthouse records many metrics focused on what a user sees and experiences. In PageSpeed 5.0,

Google 73

Google Engineering Speed Mobile 73

Smashing Magazine

SEPTEMBER 6, 2021

To be able to download multiple files on a single connection, you need to somehow multiplex them. Badly implemented HTTP/2 stacks can cause high priority resources (the bottom two) to be delayed behind other, low priority downloads (all the rest). Note that there is an Apache Traffic Server implementation, though.).

Network 120

Network Servers Cache Traffic 120

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. The code is written using the R statistics language and I downloaded a free copy of RStudio to run the examples below. > For high traffic systems, processing the individual response times for each request may be too much work.

Lambda 98

Lambda Latency Cache C++ 98

Speed Curve

JULY 10, 2023

Tracking goal-based metrics like conversion rate alongside performance data can give you richer and more compelling insights into how the performance of your site affects your users. You need to validate that improving your performance metrics actually helps improve user experience, and ultimately your business metrics.

Performance 52

Performance Metrics Traffic Speed 52