MC4WP: Mailchimp Top Bar

Adds a beautiful, customizable sign-up bar to the top of your WordPress site. This bar is guaranteed to get the attention of your visitor and increase your Mailchimp subscribers.

This plugin is an add-on for the MC4WP: Mailchimp for WordPress plugin.

Mailchimp Sign-Up Bar, at a glance.. Mailchimp Top Bar adds a simple yet beautiful & customizable opt-in bar to the top or bottom of your WordPress site. Using this bar, people can subscribe to a Mailchimp list of your choice.

• Guaranteed to boost conversions.
• Unobtrusive, visitors can easily dismiss the bar.
• Easy to install & configure, just select a Mailchimp list and you're good to.
• Customizable, you can edit the bar text and colors from the plugin settings.
• The bar can be at the top or bottom of the visitor's screen
• Lightweight, the plugin consists of just a single 4kb JavaScript file.

Development of Mailchimp Top Bar Bug reports (and Pull Requests) for Mailchimp Top Bar are welcomed on GitHub. Please note that GitHub is not a support forum. More information

• MC4WP: Mailchimp for WordPress
• Developers; follow or contribute to the Mailchimp Top Bar plugin on GitHub

Mailchimp for WordPress Since this plugin depends on the Mailchimp for WordPress plugin, you will need to install that first. Installing Mailchimp Top Bar

1. In your WordPress admin panel, go to Plugins > New Plugin, search for Mailchimp Top Bar and click "Install now"
2. Alternatively, download the plugin and upload the contents of mailchimp-top-bar.zip to your plugins directory, which usually is /wp-content/plugins/.
3. Activate the plugin
4. Set your Mailchimp API key in Mailchimp for WP > Mailchimp Settings.
5. Select a Mailchimp list to subscribe to in Mailchimp for WP > Top Bar.
6. (Optional) Customize the look & position of your opt-in bar.

1.6.2 - Oct 3, 2024

• Fix button text setting not updating after saving settings.

1.6.1 - Oct 1, 2024

• Escape return value of add_query_arg before outputting, fixing a potential XSS issue. Thanks to vgo0 for the responsible disclosure.
• Escape or kses return values of all gettext calls.
• Improved sanitization of all plugin settings.
• Minor server side performance improvements by getting rid of some unneccessary string copies or sprintf calls.

1.6.0 - Jan 4, 2023

• JS file now has defer attribute so it is not render blocking.
• Stylesheet is now inserted through JS, so it is not render blocking.
• Animations now entirely handled using CSS.
• JS file is now 20% smaller because of the above (2.6 kB gzipped).

1.5.6 - Dec 1, 2022

• Minor JS improvements to shrink ~500 bytes off script file.
• Prepare admin tab navigation for upcoming Mailchimp for WordPress release.

1.5.5 - May 14, 2021

• Always use minified asset file, regardless of SCRIPT_DEBUG setting.
• Add nonce to all URL's using _mc4wp_action parameter.

1.5.4 - May 7, 2021

• Update classnames to work with MailChimp for WordPress version 4.8.4 (and up).
• Minor JS optimizations.

1.5.3 - Mar 30, 2021

• Fix typo in help text.
• Show bar server-side to speed-up height calculation.

1.5.2 - Mar 9, 2020

• Add setting to disable bar (stop loading it altogether) after it is used.
• Increase default cookie lifetime to 1 year.

1.5.1 - Jan 21, 2020

• Fade response element using CSS animations for better performance.
• Various minor performance improvements.

1.5.0 - Oct 7, 2019 Compatibility with Mailchimp for WordPress version 4.6. 1.4.1 - Sep 11, 2019 Changes

• Change name to MC4WP: Mailchimp Top Bar.

1.4.0 - Sep 4, 2019 Improvements

• Add (advanced) setting to quickly disable the top bar on certain pages.

1.3.2 - Aug 8, 2018 Fixes

• Required fields notice on selected list was not showing because of invalid list property.

Improvements

• Prefix internal CSS classes for improved compatibility with other themes or plugins applying global admin styles.

1.3.1 - May 29, 2018 Improvements

• 30% reduction in script file size because of removed JS dependency.
• Stop setting unused cookie when Top Bar form is used to subscribe.
• Add mctb_after_submit_button action hook.
• Improve animation performance.

1.3 - November 1, 2017 Improvements

• Form now submits over AJAX, no longer reloading the entire page.
• Added for attribute to label elements, thanks gabriel-kaam.
• Added mctb_replace_interests filter hook.

1.2.16 - January 19, 2017 Various minor code improvements. 1.2.15 - September 8, 2016 Improvements

• Improved responsiveness when bar has additional input fields.
• Add required attribute to email input.

1.2.14 - August 29, 2016 Fixes

• Top padding for small screens with admin bar.

Improvements

• Better bar responsiveness when window dimensions change on the fly (eg resizing a window or changing device orientation mode). (Thanks tech4him1!)

1.2.13 - August 2, 2016 Fixes

• Error in animating body padding back to its original value.

1.2.12 - July 21, 2016 Fixes

• Bar would crash when clicking toggle icon during bar animation.

Improvements

• Function scope generated JavaScript file to prevent Browserify clashes with other loaded scripts.
• Make sure script works even though it's loaded in the head section.
• Preparations for upcoming Mailchimp for WordPress v4.0 release.

Additions

• Added Spanish language files, thanks to Ángel Guzmán Maeso
• Added mctb_data filter, to filter form data before it is processed.

Deprecated

• Deprecated mctb_merge_vars filter.

1.2.11 - July 8, 2016 Improvements

• Completely removed optional jQuery dependency. The plugin now uses JavaScript animations, resulting in a much smoother experience.

1.2.10 - April 12, 2016 Fixes

• Closed bar would still overlap underlying elements (like fixed top menu's).

1.2.9 - March 16, 2016 Fixes Top Bar was invisible on some themes because of z-index being too low. 1.2.8 - March 15, 2016 Improvements

• Make sure top bar doesn't appear on top of WP admin bar.
• Hardened CSS styles for improved theme compatability.

1.2.7 - January 26, 2016 Improvements

• Miscellaneous code improvements

Additions

• Add support for new debug log in Mailchimp for WordPress 3.1

1.2.6 - January 4, 2016 Additions

• Option to "update existing subscribers" in Mailchimp, which is useful if you have added fields.

Improvements

• Toggle icon now has a background color, for increased visibility.
• Toggle icon now stacks above or below bar on small screens.

1.2.5 - December 10, 2015 The plugin now requires Mailchimp for WordPress version 3.0 or higher. Fixes

• Fixed column alignment in Appearance tab, thanks Chantal Coolsma!

Improvements

• Improved admin notice when dependencies are not installed.

1.2.4 - November 22, 2015

• Compatibility for the upcoming Mailchimp for WordPress 3.0 release tomorrow.
• Added mctb_subscribed filter.

1.2.3 - November 13, 2015 Improvements

• Minor refactoring in the way the plugin is bootstrapped.

1.2.2 - September 10, 2015 Fixes

• Honeypot field being auto-completed in some browsers.
• Honeypot field was accessible by pressing "tab" key.
• Hardened security for cookie that tracks sign-up attempts.

1.2.1 - September 8, 2015 Fixes

• Response message was not showing for some themes.

Improvements

• Better mobile responsiveness

1.2 - September 3, 2015 Improvements

• The bar will now auto-dismiss after every successful sign-up.
• Placeholders will now work in Internet Explorer 7, 8 & 9 as well.

Additions

• Added options for double opt-in and sending Mailchimp's "welcome email".
• Added mctb_before_label action allowing you to add HTML before the label-element.
• Added mctb_before_email_field action allowing you to add HTML before the email field.
• Added mctb_before_submit_button action allowing you to add HTML before the submit button.
• Added mctb_form_action filter allowing you to set a custom form action.

1.1.3 - June 23, 2015 Fixes

• Fixes fatal error when visiting settings page on some servers

1.1.2 - June 18, 2015 Improvements

• Fixes height of response message
• CSS improvements for compatibility with various popular themes

1.1.1 - June 12, 2015 Fixes

• Fixes unclickable admin bar (or fixed navigation menu's).

Improvements

• Various improvements to bar CSS so it can be easily overridden.
• Fix vertical alignment of toggle icon.

1.1 - June 10, 2015 Improvements

• Bar no longer requires jQuery script, saving an additional HTTP request and 100kb

Additions

• Position option: top or bottom
• New filter: mctb_mailchimp_list (set lists to subscribe to)
• Lithuanian translation, thanks to Aleksandr Charkov

1.0.8 - May 6, 2015 Fixes

• Compatibility with Mailchimp for WordPress Lite v2.3 and Mailchimp for WordPress Pro v2.7.

1.0.7 - April 15, 2015 Fixes

• mctb_show_bar filter was not functioning properly with some themes.
• Form always errored when using WPML with String Translations.

Improvements

• Toggle icon is no longer shown for users without JavaScript.

1.0.6 - March 17, 2015 Fixes

• Compatibility issues with latest version of Enfold theme
• Conflict with other plugins shipping very old versions of Composer

Improvements

• Allow simple inline tags in the bar text

1.0.5 - February 25, 2015 Fixes

• Bar not loading in some themes after latest update
• Colors not working because of missing leading # value. Color settings are now validated before saving them.

1.0.4 - February 23, 2015 Fixes

• Styling issues with Enfold theme.

Additions

• Settings page now uses a tabbed interface.
• You can now set a "redirect url" in the bar settings
• All form response messages can now be customised for the bar form

1.0.3 - February 17, 2015 Improvements

• Bar will now show "already subscribed" message from Mailchimp for WordPress when a person is already on the selected list.
• Response message will now show and fadeout after 3 seconds.
• Various usability improvements for the settings screen.
• Improved spam detection.
• Major JS performance improvements.

Additions

• Multiple new anti-spam measures
• WPML compatibility

1.0.2 - February 12, 2015 Improvements

• Better CSS reset for elements inside the bar
• Other minor CSS improvements

Additions

• Top Bar sign-ups are now shown in the log for Mailchimp for WordPress Pro.

1.0.1 - February 4, 2015 Fixes

• The plugin will no longer overlap header menu's or other elements

Additions

• You can now set the bar as "sticky", meaning it will stick to the op your window, even when scrolling.
• You can now choose the size of the bar, small/medium/big.
• Added Dutch translation files.

Improvements

• The menu item will now show above the item asking you to upgrade to Mailchimp for WordPress Pro.

Please update the Mailchimp for WordPress plugin before updating to this version. 1.0 - January 28, 2015 Initial release