This page demonstrates the HTML5rw browser validator. The test content
below contains intentional HTML errors that the validator will detect.
Test Content (with intentional errors)
First element
Second element with same ID
This paragraph has a
block element
inside it.
This link goes nowhere
This center tag is obsolete in HTML5
The align attribute is obsolete
- Valid item
Invalid: div inside ul
- Another valid item
Invalid: div directly in table
| Cell 1 | Cell 2 |
First main heading
Second main heading (should typically only have one h1)
Section heading
Skipped h3, went straight to h4
Click a button above to see validation results...