Title: Topic Tag: invalid markup | WordPress.org

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# Topic Tag: invalid markup

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [[LightStart - Maintenance Mode, Coming Soon and Landing Page Builder] Crappy (invalid) HTML Markup](https://wordpress.org/support/topic/crappy-invalid-html-markup/)
    -  Started by: [snaphappyme](https://wordpress.org/support/users/snaphappyme/)
    - 1
    - 0
    -  [10 years ago](https://wordpress.org/support/topic/crappy-invalid-html-markup/)
    -  [snaphappyme](https://wordpress.org/support/users/snaphappyme/)
 *  -  [[Author: WP Symposium] Forced Stylesheet and Invalid Markup](https://wordpress.org/support/topic/forced-stylesheet-and-invalid-markup/)
    -  Started by: [robin_dean](https://wordpress.org/support/users/robin_dean/)
    - 3
    - 3
    -  [10 years, 8 months ago](https://wordpress.org/support/topic/forced-stylesheet-and-invalid-markup/#post-5693257)
    -  [Robert Dempsey](https://wordpress.org/support/users/robertd62/)
 *  -  [RSS and invalid markup](https://wordpress.org/support/topic/rss-and-invalid-markup/)
    -  Started by: [Heather Murphy](https://wordpress.org/support/users/heather-murphy/)
    - 1
    - 0
    -  [12 years, 2 months ago](https://wordpress.org/support/topic/rss-and-invalid-markup/)
    -  [Heather Murphy](https://wordpress.org/support/users/heather-murphy/)
 *  -  [Help with Contact form 7](https://wordpress.org/support/topic/help-with-contact-form-7-8/)
    -  Started by: [dmd54](https://wordpress.org/support/users/dmd54/)
    - 1
    - 0
    -  [12 years, 3 months ago](https://wordpress.org/support/topic/help-with-contact-form-7-8/)
    -  [dmd54](https://wordpress.org/support/users/dmd54/)
 *  -  [[rtSocial] W3C Validator Marking Invalid Markup On The Share Buttons](https://wordpress.org/support/topic/w3c-validator-marking-invalid-markup-on-the-share-buttons/)
    -  Started by: [Abrar Mohi Shafee](https://wordpress.org/support/users/shafee219/)
    - 2
    - 2
    -  [12 years, 3 months ago](https://wordpress.org/support/topic/w3c-validator-marking-invalid-markup-on-the-share-buttons/#post-4585171)
    -  [Rahul Bansal](https://wordpress.org/support/users/rahul286/)
 *  -  [[Celestial - Lite] Invalid Markup Validation W3C](https://wordpress.org/support/topic/invalid-markup-validation-w3c/)
    -  Started by: [jmkt](https://wordpress.org/support/users/jmkt/)
    - 2
    - 2
    -  [12 years, 9 months ago](https://wordpress.org/support/topic/invalid-markup-validation-w3c/#post-3951118)
    -  [jmkt](https://wordpress.org/support/users/jmkt/)
 *  -  [Woocommerce HTML5 placeholder width & height error, invalid markup](https://wordpress.org/support/topic/woocommerce-html5-placeholder-width-height-error-invalid-markup/)
    -  Started by: [niaomi85](https://wordpress.org/support/users/niaomi85/)
    - 2
    - 2
    -  [13 years, 7 months ago](https://wordpress.org/support/topic/woocommerce-html5-placeholder-width-height-error-invalid-markup/#post-3068863)
    -  [WPyogi](https://wordpress.org/support/users/wpyogi/)
 *  -  [[Photo Gallery, Sliders, Proofing and Themes - NextGEN Gallery] [Plugin: NextGEN Gallery] album-compact.php causes invalid markup](https://wordpress.org/support/topic/plugin-nextgen-gallery-album-compactphp-causes-invalid-markup/)
    -  Started by: [eriksan1](https://wordpress.org/support/users/eriksan1/)
    - 1
    - 0
    -  [13 years, 11 months ago](https://wordpress.org/support/topic/plugin-nextgen-gallery-album-compactphp-causes-invalid-markup/)
    -  [eriksan1](https://wordpress.org/support/users/eriksan1/)
 *  -  [[Plugin: All in One SEO Pack] causes code to appear at top of pages](https://wordpress.org/support/topic/plugin-all-in-one-seo-pack-causes-code-to-appear-at-top-of-pages/)
    -  Started by: [syncbox](https://wordpress.org/support/users/syncbox/)
    - 3
    - 2
    -  [16 years ago](https://wordpress.org/support/topic/plugin-all-in-one-seo-pack-causes-code-to-appear-at-top-of-pages/#post-1491724)
    -  [Michael Torbert](https://wordpress.org/support/users/hallsofmontezuma/)
 *  -  [Invalid markup in wp_list_bookmarks](https://wordpress.org/support/topic/invalid-markup-in-wp_list_bookmarks/)
    -  Started by: [Steven](https://wordpress.org/support/users/spstieng/)
    - 1
    - 1
    -  [17 years, 10 months ago](https://wordpress.org/support/topic/invalid-markup-in-wp_list_bookmarks/#post-807366)
    -  [Steven](https://wordpress.org/support/users/spstieng/)
 *  -  [Extraneous <p> tags](https://wordpress.org/support/topic/extraneous-ltpgt-tags/)
    -  Started by: [narc0tiq](https://wordpress.org/support/users/narc0tiq/)
    - 3
    - 6
    -  [18 years, 6 months ago](https://wordpress.org/support/topic/extraneous-ltpgt-tags/#post-641452)
    -  [narc0tiq](https://wordpress.org/support/users/narc0tiq/)
 *   

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