There were no new HTML standards between 4.0.1 in 2000, and 5.0 in 2014.
> enforcing its own vision of the web thanks to its enormous market share
Modern web is only possible because Microsoft implemented non-standard XMLHttpRequest in IE5. However, they didn’t do that to enforce a vision. The goal was practical — save network bandwidth for their Outlook Web Access product.
ES5, 2009, CSS 2.1, 2011. HTML is not the only standard for a web browser
Also in that period, Microsoft was failing to comply with the standards for CSS 2, standardised in 1998, ES3, standardised in 1999, and PNG, standardised in 1996.
There were no new HTML standards between 4.0.1 in 2000, and 5.0 in 2014.
> enforcing its own vision of the web thanks to its enormous market share
Modern web is only possible because Microsoft implemented non-standard XMLHttpRequest in IE5. However, they didn’t do that to enforce a vision. The goal was practical — save network bandwidth for their Outlook Web Access product.