That was the province of a study by Keynote Systems, a provider of Web site performance measurement.
Walmart.com has also fared well this holiday season, at least in terms of Web site performance.
Keynote Systems, which analyzes Web site performance, reported that most tax sites had shown remarkable stability and speed.
NYT software architect Eitan Konigsburg will offer insights on The Times' own efforts to improve site performance.
The company cited a competing Web site performance index, from Gomez Inc., showing that Nordstrom surpassed industry benchmarks for speed and transaction success.
Its largest holdings include Check Point, a leader in Internet security; Amdocs, which provides billing software to big telephone companies; and Mercury Interactive, which helps improve Web site performance.
Refining your hyperlinks will improve reader engagement and overall site performance.
Torbit operates at 1-second resolution, which gives users transparency into site performance in real time.
I had begun to get worried about site performance on the client side.
Its Gomez Performance Satisfaction Index, which measures consumer satisfaction with site performance, degraded during the 2011 holiday period.
