rdbl's Introduction

RDBL

A simple script to help you design "Readable First" responsive layouts.

###Demo

http://thekezzforge.kezzbracey.com/RDBL/

###Readable First - A Responsive Design Approach That Is:

Device Agnostic
Resolution Agnostic
Content First

###Principles:

Don't set a base font size, leave that to the browser / user agent. (Props to The Goldilocks Approach for this concept).
Build your design in ems / rems, allowing flexible layout that adjusts to the browser / user default font size.
Enter dummy content at the start of the design process
Use the RDBL widget to check for readability of said content then create breakpoints where the readability breaks.

###Usage

Please see the demo for how to load up the widget.

Note, the 'characters per line' value is estimated via the first paragraph tag in your target readable element.

###Note on Readability

The default range 'characters per line' range used is 63 - 81 characters, aiming for optimal readability in consideration of saccades (eye movements) per line and comfort for the eye.

This is based on the eye taking in an average of 7 - 9 characters per saccade, and targeting approximately nine saccades per line.

http://en.wikipedia.org/wiki/Eye_movement_in_language_reading

However this is a guideline and you can adjust to whatever you personally think is right.

###Firefox only

Right now only Firefox support all the stuff this does, so please use that.

###Credits

Thanks to Leon Gersen for the noUISlider: http://refreshless.com/nouislider/

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