Dynatrace

APRIL 16, 2021

The idea, and most of the content for this blog, comes from one of our Partners; Stephan Dannewitz , DevOps & Site Reliability Engineer at avodaq AG. If you’re developing, testing, operating, or if you’re a business owner of a Python-based application then I encourage you to read the rest of the blog. Yes – that’s it.

Monitoring 154

Monitoring Open Source Best Practices DevOps 154

Smashing Magazine

APRIL 29, 2021

If using 11ty for your static sites, try the 11ty high-performance blog template. This is an empty element — it has no closing tag — requiring a minimum of one attribute to be helpful: src , the source. A handy overview on Cloudinary blog. Note: Use preload sparingly and always measure its impact in production.

Media 145

Media Network Metrics Mobile 145

Dynatrace

NOVEMBER 16, 2020

Consider a troubleshooting scenario for a single-page application where a lot of content is already preloaded. 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+.

Ecommerce 188

Ecommerce Monitoring Website Tuning 188

Smashing Magazine

FEBRUARY 15, 2021

<video id="u457537-video" class="video-js vjs-big-play-centered" controls preload="auto" width="1050" height="591" poster="assets/home_poster.jpg" data-setup='{"fluid": true}'> <source src="assets/home_1.mp4" The default preload attribute is metadata , and would have resulted in a few 100KB downloaded. vf, il).

Network 143

Network Speed Website Mobile 143

Speed Curve

DECEMBER 19, 2018

This blog post has a simple conclusion: Load script asynchronously! What we see is that the HTML parser stops when it encounters a SCRIPT tag until that script is downloaded, parsed, and executed. Because the HTML parser stopped, all network traffic also stopped (because no other HTML tags were parsed to initiate HTTP requests).

Internet 53

Internet Internet Website Traffic 53

Smashing Magazine

JANUARY 11, 2021

That’s why responsive images matter, as well as preloading critical images early (with preload ). web-vitals library can collect and send Core Web Vitals to Google Analytics, Google Tag Manager or any other analytics endpoint. Additionally: Consider preloading critical images , so a browser doesn’t discover them too late.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

OCTOBER 18, 2021

We preload the fonts. It is built on top of <img> HTML tag and can help to improve LCP and CLS. Recently, we have implemented responsive image preload and started serving images in WebP format which helped us to reduce 75% of image payload, reduce LCP by 62%, and Speed Index by 24%. We use font-display optional.

Website 105

Website Google Metrics Testing Tools 105