WebAIM - Web Accessibility In Mind

E-mail List Archives

Re: Increase Font Size vs. Zoom

for

From: GF Mueden
Date: Nov 8, 2012 10:52PM

As I remember it, in WinXP the zoom amount was given onscreen, and it
went up in jumps of 25%. Not so in Win7. Alas.
===gm==

On 11/8/2012 9:59 PM, Patrick Dunphy wrote:
> Those numbers are interesting.. While I do test for font sizing I had no
> idea that the size increments fluctuated so differently.
>
> To satisfy my curiosity may I ask how you came up with the percentages?
>
> Good info - thanks.
>
> -PD
> On Nov 8, 2012 6:37 PM, "Jared Smith" < <EMAIL REMOVED> > wrote:
>
>> On Thu, Nov 8, 2012 at 3:50 PM, David Ashleydale wrote:
>>> Thanks, Jared. Do you happen to know what percentage IE's View - Text
>> Size
>>> - Largest is equivalent to?
>> Here's what I found in some quick testing...
>>
>> IE9 (View... Text size):
>> Larger = 115%
>> Largest = 132%
>>
>> Firefox (using CTL + or Command + to Zoom Text Only):
>> 1 increase = 110%
>> 2 increases = 120%
>> 3 increases = 133%
>> 4 increases = 150%
>> 5 increases = 170%
>> 6 increases = 200%
>>
>> Safari:
>> 1 increase = 119%
>> 2 increases = 144%
>> 3 increases = 175%
>> 4 increases = 206%
>>
>> Chrome (Settings... Show advanced settings... Font size):
>> Large = 125%
>> Very Large = 150%
>>
>> You'll find that even 150% can be very difficult on some sites. A
>> lower value may be more reasonable in many cases.
>>
>> Jared
>> >> >> >>
> > > >