yes, browser, apps, spider, mailer... you'll be surprise of how many user agents exist, here there are listed just a few: http://useragentstring.com/pages/useragentstring.php
browser detection is unreliable to identify one specific user agent in the access_log, but makes sense when you have big data, because in that case the noise is so small respect the data that you can obtain pretty much "accurate" analytics. On Wed, Jun 12, 2013 at 3:50 PM, Chris Snyder <chsny...@gmail.com> wrote: > On Wed, Jun 12, 2013 at 12:48 PM, Federico Ulfo > <rainelemen...@gmail.com>wrote: > >> Hey Peter, because email clients don't allow javascript I had to >> implement the browser detection in PHP. Perhaps looks like your detection >> is done on the useragent string, so I believe your client solution is >> equivalent to any server solution. >> >> Anyway thanks for sharing this. >> >> > > Email clients also don't send user-agent strings, do they? > > Or I guess maybe they do for images, if they happen to be set to load > images from external sites. Is that what you're doing? Can you actually > tell if someone loads an image in Outlook versus Internet Explorer? Just > curious. > > _______________________________________________ > New York PHP User Group Community Talk Mailing List > http://lists.nyphp.org/mailman/listinfo/talk > > http://www.nyphp.org/show-participation >
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