SonarSource Rules
  • Products

    In-IDE

    Code Quality and Security in your IDE with SonarQube Ide

    IDE extension that lets you fix coding issues before they exist!

    Discover SonarQube for IDE

    SaaS

    Code Quality and Security in the cloud with SonarQube Cloud

    Setup is effortless and analysis is automatic for most languages

    Discover SonarQube Cloud

    Self-Hosted

    Code Quality and Security Self-Hosted with SonarQube Server

    Fast, accurate analysis; enterprise scalability

    Discover SonarQube Server
  • SecretsSecrets
  • ABAPABAP
  • AnsibleAnsible
  • ApexApex
  • AzureResourceManagerAzureResourceManager
  • CC
  • C#C#
  • C++C++
  • CloudFormationCloudFormation
  • COBOLCOBOL
  • CSSCSS
  • DartDart
  • DockerDocker
  • FlexFlex
  • GitHub ActionsGitHub Actions
  • GoGo
  • HTMLHTML
  • JavaJava
  • JavaScriptJavaScript
  • JSONJSON
  • JCLJCL
  • KotlinKotlin
  • KubernetesKubernetes
  • Objective CObjective C
  • PHPPHP
  • PL/IPL/I
  • PL/SQLPL/SQL
  • PythonPython
  • RPGRPG
  • RubyRuby
  • RustRust
  • ScalaScala
  • ShellShell
  • SwiftSwift
  • TerraformTerraform
  • TextText
  • TypeScriptTypeScript
  • T-SQLT-SQL
  • VB.NETVB.NET
  • VB6VB6
  • XMLXML
  • YAMLYAML
HTML

HTML static code analysis

Unique rules to find Bugs, Security Hotspots, and Code Smells in your HTML code

  • All rules 83
  • Bug23
  • Security Hotspot3
  • Code Smell57
Filtered: 3 rules found
html5
    Impact
      Clean code attribute
        1. Videos should have subtitles

           Code Smell
        2. Attributes deprecated in HTML5 should not be used

           Code Smell
        3. Elements deprecated in HTML5 should not be used

           Bug

        Elements deprecated in HTML5 should not be used

        consistency - conventional
        reliability
        Bug
        • html5
        • obsolete
        • user-experience

        Why is this an issue?

        More Info

        With the advent of HTML5, many old elements were deprecated. To ensure the best user experience, deprecated elements should not be used. This rule checks for the following deprecated elements:

        Element Remediation Action

        basefont, big, blink, center, font, marquee, multicol, nobr, spacer, tt

        use CSS

        acronym

        use abbr

        applet

        use embed or object

        bgsound

        use audio

        frame, frameset, noframes

        restructure the page to remove frames

        isindex

        use form controls

        dir

        use ul

        hgroup

        use header or div

        listing

        use pre and code

        nextid

        use GUIDS

        noembed

        use object instead of embed when fallback is necessary

        plaintext

        use the "text/plain" MIME type

        strike

        use del or s

        xmp

        use pre or code, and escape "<" and "&" characters

          Available In:
        • SonarQube IdeCatch issues on the fly,
          in your IDE
        • SonarQube CloudDetect issues in your GitHub, Azure DevOps Services, Bitbucket Cloud, GitLab repositories
        • SonarQube Community BuildAnalyze code in your
          on-premise CI
          Available Since
          9.1
        • SonarQube ServerAnalyze code in your
          on-premise CI
          Developer Edition
          Available Since
          9.1

        © 2008-2025 SonarSource SA. All rights reserved.

        Privacy Policy | Cookie Policy | Terms of Use