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This Week in Website Performance is a weekly feature of the Monitor.Us blog. It summarizes recent articles about website performance. Why? Because your friends at Monitor.Us care.
Author: Warren Gaebel.
This article continues the series, “The Chronology of a Click.” Part II describes what happens from the time the user clicks on a link to the time the request leaves the user’s computer. It is interspersed with performance tips, showing how those tips relate to the material being presented. The entire series is a good way to learn about all the things that happen behind the scenes while the user is waiting for his request to be fulfilled, and how those details affect performance.
Author: Andreas Grabner.
This article is the first in a series of articles about performance problems that stem from the transfer to production process. This one describes the difference in logging between test and production. This series might be worth following.
Author: Ard-Jan Barnas.
This article describes some best practices for exceptions in ASP.net. Well-explained and relevant.
Author: Warren Gaebel
Note: Memoization does not have an R in it. It means “the process of converting something into a memo.” Its root word is memorandum (memo), not memory.
Author: Ard-Jan Barnas
This article presents three important performance tips for ASP.NET’s view state management: turn view state off if you’re not using it, minimize the number of objects stored in view state, and measure the size of the view state.
Author: Ilya Grigorik
This well-written article reminds us of the impact latency has on our website’s performance, even moreso than bandwidth. Last-mile latency (from the end user to the Internet through your ISP’s network) can be the biggest part of the problem. Mobile latency is also mentioned. The comments touch on other good performance tips, so don’t skip them.
Monitis announces new uptime monitoring locations in 15 countries, including three new countries: Russia, Switzerland, and Hong Kong.
Author: Guy Podjarny
This article examines HTTP pipelining to see if it helps (or hinders) website performance and tries to explain why tests show it makes no significant difference. From Wikipedia: “The speedup is less apparent on broadband connections, as the limitation of HTTP 1.1 still applies: the server must send its responses in the same order that the requests were received.” Both Wikipedia and the article suggest that SPDY may make a difference.
This very short article is a list of 9 MySql performance tips. Nothing new, but all the tips are valid.
Author: Steve Souders
Steve Souders continues his performance comparisons for ControlJS with async, menu, and document.write. This work looks like it may be some measurements for an upcoming article, so maybe it wasn’t intended for publication. But if Google can find it, I can tell you about it! More information about ControlJS.
Author: Alexander Rubin & Rebecca Hansen.
This is an announcement for an upcoming one-hour webinar on Friday, August 17. I don’t usually put announcements in This Week in Website Performance, but this one deals with subjects that are near and dear to our hearts – MySql monitoring, caching, tuning, benchmarks, query performance optimization, and monitoring with the new performance schema. Plus it’s from a reputable source. Pre-registration required. No mention of price; does this mean it’s free?
Author: Eugene Kashida.
This 20 minute presentation shows how Yahoo Axis uses YUI Communication Layer to simplify communication between web pages. Performance data is near the end of the video.
Author: Royal Pingdom
This article compares reliability and performance of three popular CDNs: Google, Microsoft, and Media Temple. It has nothing to do with jQuery, except that the three CDNs all host jQuery.js.
Author: Alexander Vanwynsberghe
This short article shows how to export Fiddler events to a Visual Studio Web Test. [Fiddler logs all HTTP/S traffic entering and leaving your computer, and lets you “fiddle” with the data.]
Author: Steve Souders.
This six minute video is a demo of HTTP Archive. HTTP Archive samples the web on an ongoing basis and provides its data and analyses at HttpArchive.org. Raw data is downloadable.
Author: Aaron Brown.
This article advises not to use MySql’s semi-synchronous replication over high-latency networks. Test results are included to show why.
Author: Douglas Wilson.
This brief article presents three features that are an absolute must for scalable database management systems: lightweight processes that are easily instantiated on multiple processors or cores, a user agent that can present data from multiple databases as if it were in a single database, and a user agent that can transparently retrieve data from both master and slave databases.
Author: Guy Podjarny.
This article discusses the when, where, and how of front-end optimization (FEO) tools, which helps the reader evaluate them. This is part one of a two part article.
Author: Addy Osmani
This article defines MV*, then establishes points of comparison for those who are evaluating the different MV* frameworks. It ends by presenting the pros and cons for several frameworks, as contributed by people who are actually using them.