Why Not Validate?
Those who are against a blanket rule about validation often cite the following reasons:
1.
Validation is No Guarantee that Page Works
Even if you validate your code, you still have to test it in the various browsers. Having code with no syntax errors does not mean that the HTML or CSS code does what you want. Hence some of the proponents of this view argue that the main goal when designing a web page is to make sure it is viewable and usable by your visitors, not some esoteric goal of standards compliance.
2.
Time Constraint for

