Browsing posts tagged with: javascript
A Bug Story
March 8, 2016 by Case Prince
At AppNeta we make tools to help developers optimize application performance. So when one of our products gets janky we naturally take it personally. This is a story about how a particularly slippery bug put up a fight. The Bug: One (1) of our biggest customers reports site-breaking frontend jank in TraceView, all the time,…Continue reading
Basic Performance Comparison Between Koa and Express
March 9, 2015 by Stephen Belanger
There’s been a lot of chatter lately in the JavaScript community about the latest, greatest ES6 features shipping in recent browsers and the V8 versions in node.js 0.12 and io.js 1.2.0. One such hot topic is generators, a special function that produces an iterator. Several modules on npm, such as co, have taken to hacking…Continue reading
Why Javascript on the Server Matters
February 10, 2015 by TR Jordan
It’s almost passé to write about the advantages of node.js, especially if you’re touting the benefits of event loops for web services the performance differences between V8 and other interpreters like Ruby. Node can handle tons of connections without breaking a sweat. Event loops are great for shuttling data between a DB and a frontend.…Continue reading
Introducing TraceView for Node.js Applications
September 10, 2014 by Dan Kuebrich
Today, we’re expanding the diversity of application environments TraceView supports by bringing node.js support out of private beta to general availability. AppNeta provides full-stack monitoring designed to cover critical production environments and all their moving parts, so it’s exciting to be able to support even more diverse and heterogeneous environments. Support for http-server, http-client, mongodb…Continue reading
Pageguide x Bower
January 22, 2014 by Dan Riti
What happens when you take Pageguide, our open source interactive visual guide to elements on web pages and combine it with Bower, a package manager for the web? Oh yeah! For the unfamiliar, Bower is a package manager for client-side libraries, assets, and frameworks. Bower isn’t just for JavaScript libraries, but you can also find…Continue reading
5 Ways to Get the Most Out of a Software Co-op Position
November 25, 2013 by Team AppNeta
College (or university, for us Canadians) is a magical time. There probably won’t be any other chance in my life for me to try, and fail at, as many things as I have in the last 3-odd years. While I may regret thinking I could play basketball or solve partial differential equations, there is one…Continue reading
Boston Backbone.js Meetup meets TBone
October 9, 2013 by Dan Tillberg
Last night, I had the pleasure of discussing TBone with the Boston Backbone.js Meetup hosted by Bocoup. Turnout was great, with about sixty folks and plenty of pizza and beer (sponsored by AppNeta – thanks AppNeta! …). TBone is a JavaScript reactive programming and live templating library originally built on top of Backbone, a popular…Continue reading
Bedtime Stories with TBone.js
August 28, 2013 by Dan Tillberg
TL;DR: Meet TBone, a reactive / data-flow-oriented programming library with a live templating system built on top of it, built by the team at AppNeta. One part of TBone’s magic is that it searches the graph of model & view dependencies to prevent firing ajax requests when that data is not currently needed on the…Continue reading
An Introduction to Client Latency
August 23, 2013 by Dan Riti
What is client latency? Let’s face it, users are impatient. They demand a blazingly fast experience and accept no substitutes. Google performed a study in 2010 which proved that when a site responds slowly, visitors spend less time there. Speed as perceived by the end user is driven by multiple factors, including how fast results…Continue reading