YAHOO - 1996
HTML - 1
Yahoo was first launched early 1994 using HTML one
YAHOO - 2022
HTML - 5
The currernt version of Yahoo uses the modern use of html that being HTML 5
EBAY - 1999
HTML -2
Ebay launced on the 3rd of september 1995 using HTML 2 which launched earlier in the year.
EBAY - 2022
HTML - 5
Modern ebay changed drastically as online shopping grew in popularity obviously using modern HTML compared to its base launch in 1999
The Nickelodeon Website - 2000
HTML - 4
The Nickelodeon website launched 19th of december 1996 using HTML 2
The Nickelodeon Website - 2022
HTML- 5
To be honest I don't think many people know this website exists but non the less it uses modern html 5
Youtube - 2009
Youtube released december 2005 and less than a year later in october 2006 youtube was bougt by google for 1.6 billion both versions using html 4
Youtube - 2022
YouTube, now the most visited site with 13.34 billion monthly visits with 500 hours of content uploaded every minute
Youtube is actually a more popular search engine than yahoo and bing!