Hi Richard, Let me introduce to you (and to the list ;) my Content Compression FAQ (attached in M$ WORD format). It answers some of your questions... Slava
----- Original Message ----- From: "Richard Clarke" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, October 27, 2002 7:21 AM Subject: Apache::Clean, Apache::Compress, mod_gzip/deflate, cross site scripting and more. > List, > Before I embark on a day exploring the pros and cons of today's > cleaning/compression tools, I wondered if any of you could give me some > feedback about your own experiences within the context of medium/large scale > web sites/applications (E-Toys etc). > > Is it too presumtious to expect that many users now have high speed > connections and tools that clean and/or compress html are of a small benefit > anymore? That is not to mention the proliferation of "pretty" websites with > 90% graphics. > > Given that gzip style compressions work very well with plain text due to > whitespace characters etc, is the combination of modules like Apach::Clean, > Apache::Compress (and Apache::Filter) an overkill. Is there really much > benefit in using Apache::Clean AND Apache::Compress (Or similar compatible > modules/technologies) with consideration of performance trade offs arising > from using these modules. > > Is there any advantage to using modules like HTML::Tree or HTML::Parser to > remove information (i.e. removing autoexecuting javascript tags and any > other CSS issues) from user submitted information. Will a well designed set > of regular expressions perform this sanitisation more efficiently? Not > forgetting that not all user input arrives via a form. e.g. web mail (Though > we can thank Anomy/Spamassassin/ClamAV/MIMEDefang and others for helping out > here). > > I realise this post doesn't relate directly to mod_perl per se, however > mod_perl does a great deal to encourage a high ratio of coupling to cohesion > in the way we build our applications/sites. At the same time however we > can't deny the fact that the faster we can serve our webpages the happier > our users will be. > > I have been following the discussion on the list for a few months and though > threads have cropped up addressing some of these issues I haven't really > seen anyone advocate a specific stance on the situation. Perhaps someone who > has faced these decisions many times can offer some insight? I'm curious as > to whether a lot of technologies are used outside of developement. Has much > changed in the past year to make any of the above discussions especially > different? > > Just please point me to online references if this has been discussed to > death. > > Richard. > >
Web Content Compression FAQ-rev7.doc
Description: MS-Word document
