Free on-Liner HTML BUG FINDER ?
Has anyone any advice about this? When it occurred to me that there might be a free service available I googled it and found that there are many. Which ones do Mudcatters find safe and easy to use and are there any to avoid?
What about Free Formater . com ?    https://www.freeformatter.com/
or HTML corrector    https://www.htmlcorrector.com/
orThe Nu HTML5 Validator     https://html5.validator.nu/
or     https://www.softwaretestinghelp.com/html-validator/