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Laws of Web Development


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A slide based on the 'Immutable laws of web design and development' by blue flavor.

Published in: Technology

Laws of Web Development

  1. Laws of Web Design and  Development A compilation by Praveen <>
  2. Brookes' Law “Adding manpower to a late  software project makes it even  later.”
  3. Parkinson’s Law “Work expands so as to fill the  time available for its  completion.”
  4. Hoare’s Law “Inside every large problem is  a small problem struggling to  get out.”
  5. Lister’s Law “People under time pressure  don’t think faster.”
  6. Pareto Principle “For many phenomena, 80%  of consequences stem from  20% of the causes.”
  7. The Peter Principle “In a hierarchy, every  employee tends to rise to his  level of incompetence.”
  8. Conway’s Law “Any piece of software reflects  the organizational structure  that produced it.”
  9. Fitts’ Law “The time taken to acquire a  target is a function of the  distance to and the size of the  target.”
  10. Tesler’s Law “You cannot reduce the complexity  of a given task beyond a certain  point. Once you’ve reached that  point, you can only shift the burden around.”
  11. Occam’s Razor “The explanation requiring  the fewest assumptions is  most likely to be correct.”
  12. Hofstadter’s Law “A task always takes longer  than you expect, even when  you take into account  Hofstadter’s Law.”
  13. Ninety-ninety Law “The first 90% of the code  accounts for the first 10% of the  development time. The remaining  10% of the code accounts for the  other 90% of the development time.”
  14. Hartree’s Law “Whatever the state of a  project, the time a project­ leader will estimate for  completion is constant.”
  15. Jakob’s Law “Users spend most of their time on  other sites. This means that users  prefer your site to work the same  way as all the other sites they already know.”
  16. Fisher’s Fundamental Theorem “The more highly adapted an  organism becomes, the less  adaptable it is to any new  change.”