Avoid using more than one <apex:form> tag per page
Impact area
Manageability
Severity
Medium
Affected element
Apex Page
Rule ID
SF-0116
Impact
Having multiple <apex:form>
tags on a page means that a single page can be performing multiple unrelated data modification actions. This can make the page harder to maintain and understand.
Remediation
Refactor your pages or components to use a single <apex:form>
tag.
Time to fix
40 min
References
See the Salesforce documentation article: Visualforce Developer Guide > apex:form.