Technology Performance Pulse

Improve user experience with more visibility into CDN-related HTTP errors (Part 1)

Dynatrace

FEBRUARY 1, 2020

Modern web applications rely heavily on Content Delivery Networks (CDNs) and 3rd-party integrations (for example, web analytics, tag managers, chat bots, A/B testing tools, ad providers, and more). In Part 1 we’ll dive into: The need to extend synthetic tests to cope with the CDN-error blind spot. Dynatrace news.

Tuning

Tuning Monitoring Network Best Practices

Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

OCTOBER 19, 2020

Reconstructing a streaming session was a tedious and time consuming process that involved tracing all interactions (requests) between the Netflix app, our Content Delivery Network (CDN), and backend microservices. Edgar uses this infrastructure tagging schema to query and join traces with log data for troubleshooting streaming sessions.

Infrastructure

Infrastructure Transportation Storage Open Source

Optimize Images for Web

KeyCDN

SEPTEMBER 12, 2019

Optimize Images for Performance When it comes to optimizing images for performance there are a lot of things you can do, such as scaling, compression, using responsive images, serving from a CDN, and choosing the right file format. Images can now be compressed in real time with simple query parameters and will then be delivered by our CDN.

Social Media

Social Media Media Google Website

Automatically Transforming And Optimizing Images And Videos On Your WordPress Website

Smashing Magazine

NOVEMBER 9, 2021

However, then the style will not be present when referencing the image directly (such as the image shared in social media via the <meta property="og:image" content="{image-url}"> tag), making the image devoid of personality. The images embedded in social media when sharing our content are of particular interest.

Website

Website Social Media Media Design

Setting Up CloudFront to Host Your Web App

CSS - Tricks

APRIL 28, 2022

We integrated it into Vite so that when the app runs in a browser, the assets requested from the app’s root HTML file would pull from CloudFront as the CDN. That HTML is parsed, the browser sees script and link tags for the JavaScript and CSS assets that reside on the CDN, and requests them. Line 1 is our HTML entry point.

Cache

Cache AWS Servers Traffic

Solving CLS Issues In A Next.js-Powered E-Commerce Website (Case Study)

Smashing Magazine

OCTOBER 18, 2021

To minimize this we have done few changes: We have self-hosted the fonts instead of loading from 3rd party CDN. It is built on top of <img> HTML tag and can help to improve LCP and CLS. We preload the fonts. We use font-display optional. This ends up becoming a major contributor to CLS.

Website

Website Google Metrics Testing Tools

Switching to Hugo and Netlify

Tim Kadlec

FEBRUARY 1, 2018

For example, my saved links have the following data fields: - externalURL - date - title - tags. Date }}" title: "{{ replace.TranslationBaseName "-" " " | title }}" externalURL: tags: Now if I want to create a new saved link, I can run hugo new saved/my-new-link.md.

Lambda

Lambda Code Efficiency Testing

How To Build Resilient JavaScript UIs

Smashing Magazine

AUGUST 3, 2021

Lots can go wrong: a network request fails, a third-party library breaks, a JavaScript feature is unsupported (assuming JavaScript is even available), a CDN goes down, a user behaves unexpectedly (they double-click a submit button), the list goes on. Browsers ignore invalid HTML tags and unsupported CSS properties. Why Be Resilient.

Network

Network Engineering Availability Monitoring

A Guide To Image Optimization On Jamstack Sites

Smashing Magazine

NOVEMBER 17, 2022

The Benefits Of Using An Image Service CDN. percent of pages contain at least one <img> tag, and 99.9 Tip: While using an Image Service CDN, compression is usually included, but it is always good to know more tools that can help us compress our images. Table of Contents: What Is Web Performance? Fixes To Common Problems.

Media

Media Cache Website Mobile

Optimizing The Image Element LCP

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

Media Mobile Website Metrics

Fixing a slow site iteratively

CSS - Tricks

APRIL 1, 2021

The most common critical resources are: A <script> tag that is in the <head> and doesn’t contain an async , or defer , or module attribute. The <async> tag is what allows the browser to download the JavaScript asset asynchronously. Improvement #5: Use a CDN.

Cache

Cache Social Media Media Website

How We Optimized Performance To Serve A Global Audience

Smashing Magazine

AUGUST 3, 2023

If, during this process, the browser encounters a <script> or <style> tag that lacks either an async or deferred attribute, the rendering of the webpage comes to a halt. Leveraging A CDN For Content Delivery Global map with CDN markers. The browser must then pause to fetch and parse the corresponding files.

Performance

Performance Cache Traffic Metrics

Optimizing Video Streaming CDN Architecture for Cost Reduction and Enhanced Streaming Performance

IO River

NOVEMBER 2, 2023

They need to deliver impeccable performance without breaking the bank.According to recent industry statistics, global streaming has seen an uptick of 30% in the past year, underscoring the importance of efficient CDN architecture strategies. This is where a well-architected Content Delivery Network (CDN) shines.

Architecture

Architecture Performance Internet Internet

Don’t Sink Your Website With Third Parties

Smashing Magazine

JUNE 1, 2022

In a multivariate test, you serve a version of the page with the third-party tag on it to one segment of your visitor population, and the other segment gets a version of the page without the third-party tag. By far, the most impactful change you can make is to remove any obsolete, unused, or unnecessary third-party tags from your site.

Website

Website Design Network Best Practices

10 Steps to Prepare Your Website for High-Load Days: Are You Ready for Black Friday?

Rigor

SEPTEMBER 3, 2019

Slow CDN times [Synthetic or RUM]. CDN offload issues [CDN]. STEP 7: Tune Your CDN Performance. Prior to any peak event, take the time to review your CDN’s cache design and offload metrics to determine what improvements can be made. A key to surviving a peak event is to have very good #CDN cache designs.

Website

Website Cache Ecommerce Traffic

CDN Web Application Firewall (WAF): Your Shield Against Online Threats

IO River

NOVEMBER 15, 2023

Two of them are particularly gnarly: fine-tuning rules to perfection and managing a WAF over a multi-CDN architecture. Configuring and Maintaining WAF on a Multi-CDNâ€Multi-CDN architectures, the double-edged swords. You'll have logs and analytics scattered across different CDNs. Let's dive deep into these challenges.â€1.

Traffic

Traffic Network Logistics Architecture

Turbocharge Your Content Delivery With CDN Multiple Origins Load Balancer!

IO River

NOVEMBER 2, 2023

Turbocharge Your Content Delivery With CDN Multiple Origins Load Balancer! Enter the concept of Content Delivery Networks (CDN) with Multiple Origins Load Balancing.Â Enter the concept of Content Delivery Networks (CDN) with Multiple Origins Load Balancing.Â What is a CDN Multiple Origins Load Balancer?â€

Traffic

Traffic Cache Servers Latency

Composable CSS Animation In Vue With AnimXYZ

Smashing Magazine

OCTOBER 9, 2021

AnimXYZ works perfectly with regular HTML and CSS, and it can be integrated in a project using the content delivery network (CDN) link. The easiest way is via a CDN. Grab the CDN , and add it to the head of your HTML document. With AnimXYZ, you can create powerful and smooth animations out of the box, and its size is only 2.68

Media

Media Code Efficiency Tuning

Understanding Subresource Integrity

Smashing Magazine

APRIL 9, 2019

If you’ve ever used a CDN-hosted version of a JavaScript library, you may have noticed a strange looking integrity attribute on the script tag. But that’s not how things are now, as everyone is using jQuery loaded from a common CDN. When using SRI, your webpage holds the hash and the server (CDN or anywhere) holds the file.

Website

Website Servers Code Best Practices

CDN Web Application Firewall (WAF): Your Shield Against Online Threats

IO River

NOVEMBER 2, 2023

Two of them are particularly gnarly: fine-tuning rules to perfection and managing a WAF over a multi-CDN architecture. Configuring and Maintaining WAF on a Multi-CDN‍Multi-CDN architectures, the double-edged swords. You'll have logs and analytics scattered across different CDNs. Let's dive deep into these challenges.‍1.

Traffic

Traffic Network Logistics Architecture

Turbocharge Your Content Delivery With CDN Multiple Origins Load Balancer!

IO River

NOVEMBER 2, 2023

Turbocharge Your Content Delivery With CDN Multiple Origins Load Balancer! Enter the concept of Content Delivery Networks (CDN) with Multiple Origins Load Balancing. What is a CDN Multiple Origins Load Balancer?‍ Think of a CDN Load Balancer (or LB, if you like to keep things short and sweet) as the internet’s traffic police.

Traffic

Traffic Cache Network Servers

Actionable insights with our Adobe Analytics integration and new web properties (referrer, UTM…)

Dynatrace

MAY 5, 2020

For double and long properties, your need our RUM JavaScript tag version 1.187+. We’re already looking into adding packs for A/B testing, p ersonlization, c hatbots, w eb analytics, ad providers, and CDN tools like: AppNexus. What’s next. Certona.

Analytics

Analytics Metrics Google Tuning

How To Choose A Headless CMS

Smashing Magazine

JULY 6, 2021

If content items are not visualized in a tree structure, a strong search engine with facets and tagging capabilities is paramount for your content editors. It is important that content editors are given tools to organize, categorize, tag, reuse and search for images within a headless CMS. Cropping and delivering images via a CDN.

Cache

Cache Website Mobile Google

Refactoring CSS: Optimizing Size And Performance (Part 3)

Smashing Magazine

AUGUST 30, 2021

This CSS is inlined in HTML under a style tag, so the styles are loaded and parsed alongside the HTML file. has a template-specific critical CSS inlined inside HTML style tag in the head element, and a deferred main.css stylesheet which contains all non-critical styles. CDN Or Self-hosting? For example styles.a1bc2.css

Media

Media Performance Cache Strategy

Simple streaming telemetry

The Netflix TechBlog

NOVEMBER 23, 2020

A backbone network underlies a large portion of the CDN, and we also run the high capacity networks that support our studios and corporate offices. In order to design, operate, and measure these networks, we must collect metrics and state data from the thousands of devices that compose them.

Open Source

Open Source Network Transportation Cache

Hybrid Lazy Loading: A Progressive Migration To Native Lazy Loading

Smashing Magazine

MAY 6, 2019

According to the native lazy loading specification (still under development), if you want to lazy load images or iframes using the native lazy loading feature, you would just need to add the loading=lazy attribute on the related tag. <img You can load it from a CDN like jsDelivr: <script src="[link]. A Little Third-Party Help.

Website

Website Best Practices Media Open Source

Web Performance for Product Managers

Speed Curve

FEBRUARY 25, 2021

Content Delivery Networks (CDN) like Akamai, Fastly, Cloudflare, Cloudfront can sometimes have a big impact on performance. 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. That withstanding, you are a product manager.

Performance

Performance Benchmarking Metrics Monitoring

Responsive Images - Serve Scaled Images

KeyCDN

AUGUST 8, 2019

As you may recall from our Image CDN article, images take up 51% of the average web page size, which means serving scaled images is critical to reduce your web page sizes. If using the tag the fallback image is defined in the src attribute. This is advantageous because of the significant performance improvements that can be gained.

Media

Media Website Internet Internet

What Are Client Hints and Are They Worth Implementing

KeyCDN

JANUARY 16, 2019

To enable hints, insert the following header to your server’s config file: Accept-CH: DPR, Width, Viewport-Width If adding the header is not an option, you can add the following meta tag under the head element of your markup instead: You must individually list each hint that you want the server to accept.

Servers

Servers Google Website Energy

Google PageSpeed Insights - Scoring 100/100 with WordPress

KeyCDN

AUGUST 29, 2019

Read more about static site generators as well as how to host a static site with a CDN. Instead, we take the following code and we move it down to our footer, right before the tag. We then include our Google Font with the following code in our footer, right before the tag. Google Fonts The third issue is with our Google Fonts.

Google

Google Cache Speed Analytics

Optimizing Web Performance: Understanding Waterfall Charts

Dotcom-Montior

MARCH 6, 2022

Issue Solution Page tracking link Uninstall or remove the tracking tool that is in use Slow DNS lookup The user may use a CDN Slow server end Send an email to your service provider. To reduce the green, the user should move the static content to a CDN. They considers factors like geo-location, CDN servers, and PoP (Points of Presence).

Performance

Performance Cache Website Speed

How To Migrate From WordPress To A Headless CMS

Smashing Magazine

JULY 20, 2021

Ultimately all our data will be delivered through CDN networks. A content delivery network (CDN), is a geographically distributed network of proxy servers and their data centers. Assets , where all the images will be stored, which you can then get through the CDN service, optimized and of any size.

Website

Website Architecture Technology Technology

Growth Engineering at Netflix?—?Automated Imagery Generation

The Netflix TechBlog

FEBRUARY 9, 2021

Ensure the titles are appropriate for a broad audience, which means all titles need to be tagged with metadata. The Asset Management Service persists, indexes, and uploads the assets to the CDN. Localized images for each of the titles. Different assets for different device types and screen sizes.

Engineering

Engineering Storage Latency Entertainment

I Used The Web For A Day On A 50 MB Budget

Smashing Magazine

JULY 29, 2019

Chrome devtools screenshot of the DOM, where I’ve expanded one inline style tag. The browser will guess at what the highest priority assets are, but you can provide a resource hint using the <link rel="preload"> tag, instructing the browser to download the asset as soon as possible. Google Homepage — DOM.

Cache

Cache Google Mobile Network

Optimizing Web Performance: Understanding Waterfall Charts

Dotcom-Montior

MAY 6, 2020

The user may use a CDN. To reduce the green, the user should move the static content to a CDN. The user must involve the contents of those files directly in the HTML via inline <script>, <code>, or <style> tags. They considers factors like geo-location, CDN servers, and PoP (Points of Presence).

Performance

Performance Cache Website Speed

Jamstack CMS: The Past, The Present and The Future

Smashing Magazine

AUGUST 20, 2021

Netlify , Vercel , CloudFlare , and AWS all have the concept of serverless functions run at edge nodes of a CDN. There’s everything from checking for broken links, missing alt tags, SEO checks, grammar checks, and accessibility checking. Fine-grained permissions. Drupal has a rich and extendable permission system.

Ecommerce

Ecommerce Website Government Internet

Building A Web App With Headless CMS And React

Smashing Magazine

APRIL 1, 2020

To include Bootstrap, we would use bootstrap CDN, open up your index.html in the public folder, add the link to the head section: [link]. Inside our nav element, we included an anchor tag with a link to just forward-slash(Homepage) and a class of navbar-brand. The footer of our app. To hold the items in our cart. Open up the Navbar.js

Open Source

Open Source Website Mobile Code

Smashing Podcast Episode 43 With Matthew Phillips: What Is Astro?

Smashing Magazine

NOVEMBER 4, 2021

You can add your own script tags obviously and you can do anything you can do in HTML, but by default, thought of the other kind of component based frameworks, we don’t actually add any JavaScript for you unless you specifically tell us to. So Skypack was, or is, a CDN for loading JavaScript. Is that right? We don’t do that.

Media

Media Website Architecture Servers

5 Must-Have Features of Top Synthetic Monitoring Tools

Rigor

FEBRUARY 19, 2020

Some common examples include: Testing your site with and without a CDN, or with different CDNs. It is essential to ensure you have flexibility and options that make it easy to get a clear line of sight of the impact of your performance initiatives. Excluding specific third parties and seeing the impact on performance.

Monitoring

Monitoring Benchmarking Mobile Traffic

HTTP/3: Practical Deployment Options (Part 3)

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). As such, especially in the early days, it is probably best to rely on a large hosting company or CDN to set up and configure the protocols for you. See for example my recent threads on QUIC features.

Network

Network Servers Cache Traffic

Improving The Performance Of An Online Store (Case Study)

Smashing Magazine

JUNE 2, 2021

These were stored as one big svg tag in the HTML head of the page, with a symbol for each of the icons that was then used as a linked svg in the HTML’s body. Icon Loading. As on so many websites, we use several icons in our design. The prototype came with some custom icons that were embedded SVG symbols.

Performance

Performance Cache Website Mobile

The Humble ` ` Element And Core Web Vitals

Smashing Magazine

APRIL 29, 2021

using Squoosh , Sharp , ImageOptim or an image CDN ), and using a modern image format, you can tweak the <img> element to serve the most appropriate responsive version of an image or lazy-load it. This is an empty element — it has no closing tag — requiring a minimum of one attribute to be helpful: src , the source.

Media

Media Network Metrics Mobile

Improve user experience with more visibility into CDN-related HTTP errors (Part 1)

Building Netflix’s Distributed Tracing Infrastructure

Trending Sources

Optimize Images for Web

Sponsored Post: G-Core Labs, Close, Wynter, Pinecone, Kinsta, Bridgecrew, IP2Location, StackHawk, InterviewCamp.io, Educative, Stream, Fauna, Triplebyte

Sponsored Post: G-Core Labs, Close, Wynter, Pinecone, Kinsta, Bridgecrew, IP2Location, StackHawk, InterviewCamp.io, Educative, Stream, Fauna, Triplebyte

Automatically Transforming And Optimizing Images And Videos On Your WordPress Website

Setting Up CloudFront to Host Your Web App

Solving CLS Issues In A Next.js-Powered E-Commerce Website (Case Study)

Switching to Hugo and Netlify

How To Build Resilient JavaScript UIs

A Guide To Image Optimization On Jamstack Sites

Optimizing The Image Element LCP

Fixing a slow site iteratively

How We Optimized Performance To Serve A Global Audience

Optimizing Video Streaming CDN Architecture for Cost Reduction and Enhanced Streaming Performance

Don’t Sink Your Website With Third Parties

10 Steps to Prepare Your Website for High-Load Days: Are You Ready for Black Friday?

CDN Web Application Firewall (WAF): Your Shield Against Online Threats

Turbocharge Your Content Delivery With CDN Multiple Origins Load Balancer!

Composable CSS Animation In Vue With AnimXYZ

Understanding Subresource Integrity

CDN Web Application Firewall (WAF): Your Shield Against Online Threats

Turbocharge Your Content Delivery With CDN Multiple Origins Load Balancer!

Actionable insights with our Adobe Analytics integration and new web properties (referrer, UTM…)

How To Choose A Headless CMS

Refactoring CSS: Optimizing Size And Performance (Part 3)

Simple streaming telemetry

Hybrid Lazy Loading: A Progressive Migration To Native Lazy Loading

Web Performance for Product Managers

Responsive Images - Serve Scaled Images

What Are Client Hints and Are They Worth Implementing

Google PageSpeed Insights - Scoring 100/100 with WordPress

Optimizing Web Performance: Understanding Waterfall Charts

How To Migrate From WordPress To A Headless CMS

Growth Engineering at Netflix?—?Automated Imagery Generation

I Used The Web For A Day On A 50 MB Budget

Optimizing Web Performance: Understanding Waterfall Charts

Jamstack CMS: The Past, The Present and The Future

Building A Web App With Headless CMS And React

Smashing Podcast Episode 43 With Matthew Phillips: What Is Astro?

5 Must-Have Features of Top Synthetic Monitoring Tools

HTTP/3: Practical Deployment Options (Part 3)

Improving The Performance Of An Online Store (Case Study)

The Humble ` ` Element And Core Web Vitals

Stay Connected