Smashing Magazine

AUGUST 6, 2021

To avoid this confusion we can use Inline Parameters , which prints inline the names of the function parameters (for JavaScript, TypeScript, PHP, and Lua). You have something to do in your code, but you don’t have time for it now.

Development 144

Development Design Code Systems 144

Dynatrace

NOVEMBER 16, 2020

All you need to do is ensure that the RUM JavaScript tag in the monitored application (which is either auto-injected by OneAgent or manually inserted) is from OneAgent version 1.193+. Select Check JavaScript tag version , to see if your RUM JavaScript tag is up-to-date.

Ecommerce 194

Ecommerce Monitoring Website Tuning 194

Dynatrace

DECEMBER 6, 2022

Using scripting tags, feature flags work without having to deploy new code. For example, here are the JavaScript providers. JavaScript. Watch “Feature flagging done right with OpenFeature and Dynatrace”. What are feature flags? No code for you to write. See OpenFeature adopters and interested parties (hint: add yourself).

Open Source 215

Open Source DevOps Java Code 215

Smashing Magazine

JANUARY 16, 2023

I’ll cover the following: How to improve the LCP Resource load time subpart with the help of the <img> tag and a focus on proper LCP image sizing. Some explanations on the browsers’ behavior for this <img> tag and its attributes, so you can really understand and integrate your LCP image correctly. Large preview ).

Media 104

Media Mobile Website Metrics 104

Smashing Magazine

JUNE 9, 2022

From the developer’s perspective, frontend tooling gives us: the ability to author modules, a dev server for local development, Hot Module Replacement (HMR) for a shorter feedback loop in development mode, the ability to target legacy browsers with polyfills, processing a host of filetypes apart from JavaScript, the list goes on. The present.

Code 109

Code Processing Cache Development 109

Dynatrace

FEBRUARY 25, 2020

Digital Business Analytics leverages this filtering paradigm by allowing you to add existing tags or properties from your application’s payload to the metadata that Dynatrace associates with each user action or session. At this point, you can use the new properties as filters, just like other automatically created properties and tags.

Analytics 210

Analytics Metrics Best Practices Servers 210

Dynatrace

DECEMBER 18, 2020

There are no hosts, no backend, no database – just HTML, CSS, and JavaScript. just JavaScript and CSS. just JavaScript and CSS. But, this doesn’t cover the JavaScript portions running in the Extension’s context. Agentless RUM allows you to monitor your front-end apps by simply pasting a JavaScript tag into your code.

Analytics 137

Analytics Metrics IoT Monitoring 137

Speed Curve

APRIL 27, 2022

Anti-flicker snippets can affect other Web Vitals, too: Decrease in Total Blocking Time – TBT is a synthetic monitoring metric that measures how long JavaScript and others tasks prevent the page from handling user interaction. Managing the performance of third-party tags is a key aspect of delivering great web experiences.

Performance 145

Performance C++ Google Retail 145

Dynatrace

APRIL 25, 2023

“I could, for example, fetch a list of whole studies based on a specific tag or filter,” he explains. We can use JavaScript and TypeScript snippets that return my few tribute or variable values.” Kastner describes the capabilities in more detail. “An operating system, hypervisor, whatever.

Analytics 208

Analytics Big Data Media Operating System 208

CSS Wizardry

NOVEMBER 9, 2018

The browser’s primary parser is responsible for constructing DOM, CSSOM, running JavaScript, etc., Here we can clearly see that the @import ed stylesheet does not start downloading until the JavaScript file has completed. The problem isn’t unique to JavaScript, either. The same waterfall occurs in IE/Edge.).

Network 278

Network Performance Media Cache 278

High Scalability

JULY 18, 2022

If you have a passion for databases (both SQL and NoSQL), significant experience building, managing, and monitoring infrastructure, databases, and backend services at scale and want to work with a rag-tag team of hardworking, but humble humans, then come check us out! Stateful JavaScript Apps. Generous free tier.

Education 100

Education DevOps Infrastructure Scalability 100

High Scalability

MAY 4, 2022

If you have a passion for databases (both SQL and NoSQL), significant experience building, managing, and monitoring infrastructure, databases, and backend services at scale and want to work with a rag-tag team of hardworking, but humble humans, then come check us out! Stateful JavaScript Apps. Generous free tier.

Education 100

Education DevOps Infrastructure Scalability 100

High Scalability

JUNE 10, 2022

If you have a passion for databases (both SQL and NoSQL), significant experience building, managing, and monitoring infrastructure, databases, and backend services at scale and want to work with a rag-tag team of hardworking, but humble humans, then come check us out! Stateful JavaScript Apps. Generous free tier.

Education 100

Education DevOps Infrastructure Scalability 100

Smashing Magazine

MAY 6, 2019

Let’s start with a comparison between native lazy loading and the good ol’ JavaScript-driven one. Native Versus JavaScript-Driven Lazy Loading. JavaScript-Driven Lazy Loading. Unfortunately, native lazy loading is not a feature we can polyfill with JavaScript. The same attribute can be applied to iframes.

Website 103

Website Best Practices Media Open Source 103

Dynatrace

APRIL 21, 2022

If your application uses the RUM JavaScript version 1.192 or earlier, you must update the RUM JavaScript to at least version 1.193 to enable masking v2. Fixed resolution for missing tags and management zones from some entities on event and problems. (APM-361411). Session Replay masking v1 end-of-life. APM-363007). APM-360914).

Azure 224

Azure Metrics AWS Monitoring 224

Smashing Magazine

AUGUST 18, 2021

Creating An Interactive Gantt Chart Component With Vanilla JavaScript. Creating An Interactive Gantt Chart Component With Vanilla JavaScript. Since the code contains JavaScript modules, you can only run the example from an HTTP server and not from the local file system. Rendering Of The Gantt chart With JavaScript And CSS Grid.

Code 139

Code Servers Development Availability 139

Testsigma

JANUARY 4, 2021

It is quite expected that developers may omit certain ‘closing tag’ or ‘semicolon’ in the syntax while writing code. Write your own feature detection code for CSS and JavaScript. Check JavaScript issues. Below steps can be taken to avoid the Cross-Browser compatibility issues related to JavaScript-. Check DOCTYPE tag.

Testing Tools 59

Testing Tools Mobile Internet Internet 59

Testlodge

OCTOBER 1, 2021

Benefits of HTML Validation Testing How to Validate HTML CSS and JavaScript Validation Challenges Tips Conclusion. Hypertext Markup Language (HTML) uses tags and attributes to control how the text in the front end of a website is displayed. It can be easy to overlook issues like open tags or misspellings during a visual check.

Testing 61

Testing Best Practices C++ Code 61

Speed Curve

FEBRUARY 25, 2024

Do less work Ryan Townsend spoke about The Unbearable Weight of Massive JavaScript at performance.now() in November 2023. He shared a case study where they replaced over 50,000 lines of JavaScript with native HTML and CSS features. Paul Irish keeps a list of JavaScript methods that typically trigger style and layout calculations.)

Analytics 93

Analytics Processing Google Mobile 93

Dynatrace

MAY 16, 2019

Many Dynatrace customers are already tagging their monitored user sessions for the purpose of user complaint resolution. Properties in date format are only available for capture via the RUM JavaScript code API. The number of session properties is limited to 10 strings and 10 numeric properties per application and user session.

Analytics 103

Analytics Programming Monitoring Mobile 103

CSS - Tricks

MAY 27, 2021

We can remove the src attribute of an <img> tag to hide an image. You can see the alt tag rendered on screen automatically, but with a light dash of JavaScript, we can then swap out the src with that attribute: document.querySelectorAll("img").forEach((item) Method #1: Using <img> without a src attribute.

Website 80

Website Performance Design 80

Smashing Magazine

AUGUST 25, 2022

Can I use the <video> tag? Do I need a JavaScript video player? It features a number of advantages to just using a static video in the <video> tag. In order to play an HLS video, you’ll need a JavaScript player as a part of your site to play back the video. This article is sponsored by imgix.

Media 106

Media Speed Network Analytics 106

Smashing Magazine

AUGUST 23, 2019

Unfortunately, you can’t tell an img tag in an attribute how much of the image should be loaded at what time. Creating the Frontend JavaScript Code. Creating The Frontend JavaScript Code. First of all, we define an img tag, to which we give the just evaluated byte position: <img data-src="progressive.jpg" data-bytes="<?=

Network 103

Network Servers Programming Code 103

CSS - Tricks

APRIL 1, 2021

This is a very basic site made with simple HTML, CSS, and JavaScript. This is the process of turning HTML, CSS and JavaScript into a fully fleshed out, interactive website. We’ll run any inline JavaScript as we see it, or download it if it’s an external asset as we go line-by-line parsing the HTML.

Cache 92

Cache Social Media Media Website 92

Smashing Magazine

JANUARY 11, 2021

Is it expensive JavaScript, slow web font delivery, heavy images, or sluggish rendering? Ideally, that order will also reflect the sequence of your CSS and JavaScript imports, so handling them during the build process will be easier. There is a JavaScript library for measuring FID in the browser. Intended as a RUM metric only.

Performance 145

Performance Cache Media Metrics 145

Alex Russell

JANUARY 30, 2024

And how much more HTML, CSS, and (particularly) JavaScript can a new project afford? First, we'll look at limits for JavaScript-heavy content, and separately we'll enunciate recommendations for markup-centric stacks. and 75KiB of JavaScript. What's changed since last year? These are generous targets.

Performance 90

Performance Network Mobile Speed 90

Dynatrace

APRIL 26, 2022

RUM is passive monitoring that measures a user’s interactions with an application — typically with a JavaScript tag for web applications or a software development kit (SDK) for native mobile apps. Another is to monitor third-party APIs that a business application depends on for critical functions. Real-user monitoring (RUM).

Monitoring 212

Monitoring Social Media IoT Metrics 212

Smashing Magazine

APRIL 29, 2022

The JavaScript Tax. It’s a known fact that JavaScript is one of the main culprits behind website bloat. When you have lots of third-party scripts on your web page, they will block your own JavaScript. This leads to a negative effect on Lighthouse scores , Core Web Vitals , and search rankings and reduced user engagement.

Website 80

Website Google Open Source Mobile 80

KeyCDN

SEPTEMBER 12, 2019

SVG files have a very small file size, can be scaled losslessly without increasing the file size, and can be animated or altered with JavaScript. Image Alt Text Alt text, also referred to as alt tags, describe the image and purpose for it on the page. If in doubt, you can add the title tag, as it won’t hurt anything.

Social Media 106

Social Media Media Google Website 106

Smashing Magazine

SEPTEMBER 20, 2021

They all generally are instrumented as JavaScript processes that are loaded onto your site’s web pages through a tag or snippet of loader code. Modifying some content is easier than others, and while an imposter domain might change text or images, modifying JavaScript can be a more challenging proposition.

Website 89

Website Analytics Cache Google 89

Smashing Magazine

JUNE 2, 2021

There you will have a lot of extra JavaScript and back-end logic to calculate the prices, plus several service calls to get the appropriate shipping provider and price estimates based on the country being shipped to. Let’s talk about resources, and not just CSS or JavaScript (which we will cover later). The checkout is its own beast.

Performance 115

Performance Cache Website Mobile 115

Speed Curve

MAY 1, 2023

Your site has a number of people contributing content, such as unoptimized images and third-party tags that have the potential to seriously hurt the speed of your pages. > Long Tasks (Synthetic and RUM) Long Tasks time is the total time of all your JavaScript tasks over 50ms, from navigation start until the page is fully loaded.

Performance 98

Performance Metrics Media Google 98

Speed Curve

FEBRUARY 25, 2021

Images, fonts, JavaScript, CSS, tracking pixels. Problem areas may include (but certainly aren't limited to): JavaScript, improving the 'critical path' or render blocking, and. Yes, it's true that when they impact your performance, there is little you can do to make them faster, short of removing the tag or throwing the kill switch.

Performance 143

Performance Benchmarking Metrics Monitoring 143

MachMetrics

SEPTEMBER 22, 2020

All assets are compressed , and CSS and Javascript is minified. Fix #1 – Reduce JavaScript. The most glaring issue is that the Target.com homepage loads about 1.6MB of Javascript. The most glaring issue is that the Target.com homepage loads about 1.6MB of Javascript. The Javascript, however, is excessive.

Retail 82

Retail Speed Website Google 82

Smashing Magazine

OCTOBER 9, 2023

/assets/images/forest.jpg"; const ImageHTML = () => { return <img src={ forest } alt="Forest trail" />; }; It’s important to import the image as a JavaScript module. If we try to load that many <img> tags at once, they will certainly slow things down and could affect the FCP.

Media 79

Media Network Processing Code 79

Dynatrace

SEPTEMBER 17, 2019

In order to filter these dashboards by tenant all they need is a Dynatrace Management Zone , which is based on meta data extracted by Dynatrace from e.g. k8s tags, container labels or process environment variables. They can be converted to tags which act for filtering and access control. 1 User Experience Optimization.

AWS 128

AWS Monitoring Ecommerce Lambda 128

Speed Curve

JANUARY 7, 2020

In his talk Deep Dive into Third-Party Performance , Simon Hearne covered which third-party tags have the greatest impact on user experience, how ad blockers affect site speed, and what to look out for when evaluating a new third-party service. Reduce the JavaScript on your pages. Get to the bottom of third-party performance.

Performance 87

Performance Best Practices Metrics Monitoring 87