Alex Podelko

OCTOBER 28, 2016

Sometimes it even lead to conclusions like “performance testing hitting the wall” just because load generation may be a challenge. Such tool can only be used if it supports the specific protocol used for communication between two tiers of the system. Programming API using a Load Testing Tool.

Performance Testing 100

Performance Testing Technology Technology Testing 100

KeyCDN

FEBRUARY 4, 2021

DNS, which stands for domain name system , is an Internet service that translates domains names into IP addresses. You can think of a DNS server as a phone book for the internet. So DNS services definitely go down! You can test the DNS lookup time and TTFB with a website speed test tool. What is DNS?

Cache 134

Cache Website Internet Internet 134

Smashing Magazine

APRIL 19, 2021

Total Blocking Time (TBT) is a good proxy for FID when using a testing tool without any direct user interaction, but also keep an eye on Time to Interactive (TTI) when looking at FID. On the plus side, for the last few days, the mean is actually higher than the p75 value since p75, by definition, filters out the extremes completely.

Google 140

Google Metrics Mobile Analytics 140

Smashing Magazine

JANUARY 11, 2021

CrUX generates an overview of performance distributions over time, with traffic collected from Google Chrome users. But account for the different types and usage behaviors of your customers (which Tobias Baldauf called cadence and cohorts ), along with bot traffic and seasonality effects. You can create your own on Chrome UX Dashboard.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 7, 2019

Keep in mind that a good performance picture covers a set of performance metrics, lab data and field data : Synthetic testing tools collect lab data in a reproducible environment with predefined device and network settings (e.g. Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g.

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

JANUARY 6, 2020

Keep in mind that a good performance picture covers a set of performance metrics, lab data and field data : Synthetic testing tools collect lab data in a reproducible environment with predefined device and network settings (e.g. Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g.

Performance 145

Performance Cache Network Metrics 145