Re: Accessibility/SEO and IDs?

"Anthony Ettinger" <[email protected]> Thu, 23 Mar 2006 10:38:03 -0800
Newsgroups gmane.comp.web.dom.wdf
Message-ID <[email protected]>
On 3/23/06, Ian Petersen <[email protected]> wrote:
> > At the risk of offending those that try to keep this list HTML only, have
> > you ever (or anyone else) found the need to gzip ahead of time?  That is, to
> > not incur any potential performance hit when (e.g.) mod_gzip does it's
> > thing?
>
> The only time I've ever used mod_gzip personally was in a failed
> attempt to optimize the load-time of a "rich client" web application.
> It turned out that most of the wasted time was spent in IE's very
> inefficient JScript interpreter and the extra effort required to turn
> on mod_gzip was mostly a waste.
>
> I've never pre-zipped any files, and I've never run mod_gzip in a
> production environment to know if the performance hit is a problem.  I
> would guess that the tradeoffs depend on how fat the pipe is between
> your server and your client.  A broadband connection probably has
> enough bandwidth to handle uncompressed HTML.  Someone connecting to
> the net from a rural area using a 28K modem might prefer to give up
> some CPU in exchange for higher transfer rates.  As with so many
> things, you probably need to consider your audience.
>
> > Sorry I could help but ask the question here since we're on the top.  I
> > promise not to take it further if/after it's answered ;)
>
> Feel firee to email me personally if you'd like to talk about this
> more, although I'm not sure what else I can add.
>
> > I find that very odd given the intense optimization that seems to be par for
> > the course for sites like yahoo, webreference.com, etc.
>
> Well, perhaps it's not so odd.  First of all, I've never looked for
> such a tool, so it's not so surprising that I never found one.
> Second, perhaps it's not so necessary?  Most static HTML can probably
> be cached fairly aggresively, which may obviate the need for
> compression.  Dynamic content is a different story, but you may get
> better mileage out of running mod_gzip over the output of your
> content-generator.
>
> Ian
>

I would start by gzipping the html + css file (possibly the javascript
too). It should only gzip it if the browser accepts gzip.


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