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Re: Increase Font Size vs. Zoom


From: David Ashleydale
Date: Nov 8, 2012 3:50PM

Thanks, Jared. Do you happen to know what percentage IE's View - Text Size
- Largest is equivalent to?

On Thu, Nov 8, 2012 at 2:43 PM, Jared Smith < <EMAIL REMOVED> > wrote:

> On Thu, Nov 8, 2012 at 3:30 PM, David Ashleydale wrote:
> > I'm wondering how much effort still needs to be put in to
> > ensuring that a page is readable when a user just increases the font
> size.
> I wouldn't overly worry about supporting very large text. Users that
> require very large text should be using zoom or a screen magnifier.
> But some some users with mild low vision need slightly enlarged text
> and may increase just the text size in their browser, so it's a good
> idea to support their needs.
> We generally recommend supporting zoom to 200% and text sizing to
> around 150%. The zoom requirement meets the WCAG 2.0 requirements,
> though this is pretty much impossible to fail for HTML content. The
> 150% text sizing requirement adequately meets the needs of users that
> may scale just text within a page.
> > We would pretty much have to completely redesign most of our company's
> site
> > in order to get it to work with large fonts.
> Some of our clients have found that conducting entire site overhauls
> to support WCAG's 200% text sizing requirement would cost more than
> all other compliance requirements (captioning, etc.) put together.
> This is partially why we recommend a more reasonable ~150%.
> Jared Smith
> WebAIM.org
> > > >