09-10-2012, 11:15 AM
Separating Design and Content
CSS (2).ppt (Size: 60 KB / Downloads: 41)
What are Cascading Style Sheets?
Created by Hakon Wium Lie of MIT in 1994
Has become the W3C standard for controlling visual presentation of web pages
Separates design elements from structural logic
You get control and maintain the integrity of your data
Advantages of CSS
Workflow
Faster downloads
Streamlined site maintenance
Global control of design attributes
Precise control (Advanced)
Positioning
Fluid layouts
Advantages of CSS - Cost Savings
Cost Savings
Reduced Bandwidth Costs
One style sheet called and cached
Higher Search Engine Rankings
Cleaner code is easier for search engines to index
Greater density of indexable content
Advantages of CSS - Cost Savings
Faster download = better usability
Web usability redesign can increase the sales/conversion rate by 100% (source: Jakob Nielson)
CSS requires less code
Tables require spacer images
Entire table has to render before content
CSS can control the order that elements download (content before images)