article thumbnail

In Defence of DOM­Content­Loaded

CSS Wizardry

However, as an internal benchmark, there are compelling reasons why some of you may actually want to keep tracking these ‘outdated’ metrics… Measure the User Experience The problem with using diagnostic metrics like Load or DOMContentLoaded to measure site-speed is that it has no bearing on how a user might actually experience your site.

Metrics 326
article thumbnail

Protect your organization against zero-day vulnerabilities

Dynatrace

A zero-day vulnerability can become endemic when it’s present in a system for an extended amount of time and is more complex to protect against. Operation Aurora was a series of cyberattacks in 2009 that specifically targeted major enterprises, including Google, Adobe Systems, Yahoo, and more.

Java 187
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

How to use Server Timing to get backend transparency from your CDN

Speed Curve

Google recommends that TTFB be 800ms at the 75th percentile. Looking at the industry benchmarks for US retailers , four well-known sites have backend times that are approaching – or well beyond – that threshold. For more years than I care to mention, I've been advising folks that their TTFB should be under 500ms.

Servers 57
article thumbnail

An analysis of performance evolution of Linux’s core operations

The Morning Paper

I was drawn in by the headline results here: This paper presents an analysis of how Linux’s performance has evolved over the past seven years… To our surprise, the study shows that the performance of many core operations has worsened or fluctuated significantly over the years. SOSP’19. Headline results.

article thumbnail

What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

Another big jump, but now it was my job to run benchmarks in the lab, and write white papers that explained the new products to the world, as they were launched. I also learned how marketing worked, and began to build my presentation and training skills as I was sent around the world by Sun to teach workshops and speak at events.

Tuning 52
article thumbnail

Web Performance Bookshelf

Rigor

Take, for example, The Web Almanac , the golden collection of Big Data combined with the collective intelligence from most of the authors listed below, brilliantly spearheaded by Google’s @rick_viscomi. This book presents 14 specific rules that will cut 25% to 50% off response time when users request a page. Even Faster Websites.

article thumbnail

World’s Top Web Performance Leaders To Watch

Rigor

Presented here alphabetically by last name: Rachel Andrew. Jake is a developer advocate at Google working with the Chrome team to develop and promote web standards and developer tools, as well as a contributor to the Chromium blog. Here is our (ever-growing!) Plus, at the end, a few bonus Twitter handles to round things out.).