Attribute invalid value

i HAVE MADE THREE WEBSITES WITH WEBSTUDIO 5 AND I KEEP GETTING ERRORS IN MY CODE, NAMELY INAVALID VALUE ERRORS, CAN ANY TELL ME HOW TO FIX IT, IVE ALREADY FIXED ALT= FOR IMAGES.
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[URL=“http://www.futuresafeinsurance.com”][URL=“http://www.flatroofrenewal.com”]

Validate like your life depends on it. http://validator.w3.org/ is your friend.

Mainly you have things like; duplicated ID values, unclosed FONT tags and proprietary attributes littered around. Perhaps also use a different editor…

All attribute values must be quoted (except if you are serving it as HTML (not XHTML) and the attribute value only contains letters and numbers).

ie
<p attribute=“value”> - correct
<p attribute=value> - allowed in HTML but not XHTML
<p attribute=“multipart value with symbols!!”> - correct
<p attribute=multipart value with symbols!!> - invalid
<p attribute=“55%”> - correct
<p attribute=55%> - invalid