https://uxdesign.cc/alternatives-to-placeholder-text-13f430abc56f

• placeholder
• html5
• ux
• bestpractices
• label

http://uxmovement.com/design-articles/faster-with-top-aligned-labels

• label
• forms
• form
• optimization
• usability

http://www.csskarma.com/blog/sliding-labels-v2/

• jquery
• forms
• label
• sliding

http://www.labeletic.be/

• label
• tic
• etic