✅ The extends: 'recommended'
property in a configuration file enables this rule.
Some elements are entirely obsolete and must not be used by authors.
This rule forbids the use of obsolete elements.
This rule forbids the following:
<acronym></acronym>
<applet></applet>
<basefont></basefont>
<bgsound></bgsound>
<big></big>
<blink></blink>
<center></center>
<dir></dir>
<font></font>
<frame></frame>
<frameset></frameset>
<isindex></isindex>
<keygen>
<listing></listing>
<marquee></marquee>
<menuitem></menuitem>
<multicol></multicol>
<nextid></nextid>
<nobr></nobr>
<noembed></noembed>
<noframes></noframes>
<plaintext></plaintext>
<rb></rb>
<rtc></rtc>
<s></s>
<spacer></spacer>
<strike></strike>
<tt></tt>
<u></u>
<xmp></xmp>
This rule allows anything that is not an obsolete element.
- replace any use of these elements with the appropriate updated element or a
div
element.