This blog is closed as of 2/2015. @EricLaw left Microsoft in 2012, but was named an IE MVP in '13 & an IE userAgent ( in '14.

June, 2011

  • IEInternals

    Download Resumption in Internet Explorer

    While most file downloads are quickly and successfully completed, some large downloads take a long time to complete, and may be interrupted in the middle by either the user choosing to “Pause” or due to networking glitches (e.g. WiFi connection...
  • IEInternals

    Update now available for improved font-smoothing

    Today’s batch of Windows Updates included a “Recommended” update to improve the rendering of certain fonts at small sizes (8-10pt). The updated versions of Arial, Verdana, and Tahoma fonts include new hinting logic that renders more...
  • IEInternals

    The Perils of User-Agent Sniffing, 2011 Edition

    I continue to be amazed at how often site-compatibility issues turn out to have a root cause related to User-Agent sniffing. For instance, earlier this year, someone wrote into the comments section on one of my posts noting that the HTML5 canvas art...
  • IEInternals

    First IE9 Update Now Available

    As announced over on the IEBlog , the first update for IE9 is now available. When this update is installed, the IE Help > About screen will indicate that the IE version is 9.0.1. Please note that this is a display only change and it is...
  • IEInternals

    Understanding Once-Per-Session Cache Validation

    Last year, I wrote about the IE9 improvements in heuristic expiration , which apply when a server fails to specify how long a cached resource should be treated as fresh. Heuristic Expiration works by calculating an implicit freshness lifetime from the...
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