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Why isn't my AI Signup Form showing on my website after installing AWeber's Javascript Snippet?

If you've installed AWeber's JavaScript snippet on your website but your AI signup form isn't appearing, there are several common causes to investigate. Work through the steps below in order — starting with the most likely culprits.

Step 1: Check Your Form's Display Settings

Before diving into technical troubleshooting, confirm your form's display settings aren't preventing it from showing. In your AWeber account, review the following:

  • Triggers and conditions: If your form is set to appear after a delay, on scroll, or after a certain number of visits, it may not display immediately on page load. Try setting the trigger to "immediately" for testing purposes.

  • Frequency and suppression settings: If a visitor has already seen or dismissed your form, suppression settings may prevent it from showing again. Clear your cookies or test in an incognito/private window.

  • URL scoping: If your form is scoped to display only on specific URLs or pages, confirm the page you're testing matches those conditions exactly.

Step 2: Disable Caching Plugins

Caching plugins are the most common technical cause of AWeber JavaScript not working correctly. Plugins like WP Rocket, W3 Total Cache, LiteSpeed Cache, and Autoptimize can minify, combine, or defer JavaScript files in ways that break third-party scripts like AWeber's embed code.

What to do:

  • Temporarily disable your caching plugin and reload the page to test.

  • If the form appears after disabling the plugin, add AWeber's script URL to the plugin's exclusion list to prevent it from being optimized.

  • Clear your plugin's cache after making any changes.

Step 3: Test with Browser Extensions Disabled

Ad blockers and privacy extensions such as uBlock Origin, AdBlock Plus, and Privacy Badger commonly block third-party scripts, including AWeber's JavaScript snippet.

What to do:

  • Open the page in an incognito or private browsing window (extensions are typically disabled by default in these modes).

  • If the form appears in incognito, a browser extension is the cause. Disable extensions one by one in your regular browser to identify which one is blocking the script.

Step 4: Clear Browser Cache and Cookies

Your browser may be serving a cached version of the page that doesn't include the AWeber snippet, or cached cookies may be triggering suppression settings on your form.

What to do:

  • Perform a hard refresh: Ctrl+Shift+R (Windows/Linux) or Cmd+Shift+R (Mac).

  • Clear your browser's cache and cookies entirely, then reload the page.

  • Alternatively, test in a fresh incognito/private window.

Step 5: Check That JavaScript Is Enabled in the Browser

AWeber's embed code requires JavaScript to be enabled in the visitor's browser. If JavaScript has been disabled, the form will not render at all.

How to check:

  • Chrome: Settings > Privacy and Security > Site Settings > JavaScript — confirm it is set to "Sites can use JavaScript."

  • Firefox: Type about:config in the address bar and confirm javascript.enabled is set to true.

  • Safari: Preferences > Security > confirm "Enable JavaScript" is checked.

Step 6: Test for Plugin or Theme Conflicts

Security plugins (such as Wordfence, iThemes Security, or Sucuri) and your active WordPress theme can sometimes block or conflict with third-party JavaScript.

What to do:

  • Temporarily switch to a default WordPress theme (such as Twenty Twenty-Four) and test if the form appears.

  • Deactivate plugins one at a time and reload the page after each deactivation to identify the conflicting plugin.

  • Re-activate each plugin once you've identified the conflict.

Step 7: Check for a Content Security Policy (CSP)

Your web server or a security plugin may have a Content Security Policy (CSP) configured that blocks external JavaScript from loading. This will prevent AWeber's snippet from executing entirely.

What to do:

  • Open your browser's Developer Tools (F12), go to the Console tab, and look for errors referencing a blocked script or Content Security Policy violation.

  • Check the Network tab to see if the AWeber script is being blocked.

  • If a CSP is in place, add *.aweber.com to the script-src directive in your CSP configuration.

Step 8: Verify Your Site Uses HTTPS

AWeber's JavaScript snippet requires a secure (HTTPS) connection. If your site is served over HTTP, or if there are mixed content issues (some resources loading over HTTP on an HTTPS page), the browser may block the AWeber script from loading.

What to do:

  • Confirm your site URL begins with https://.

  • Check the browser console for mixed content warnings.

  • Contact your web host or site administrator to ensure SSL is properly configured across your entire site.

Step 9: Check for a Nested Form Issue

Some page builders and website templates wrap page content inside an HTML <form></form> tag. Placing the AWeber JavaScript snippet inside another form element can prevent it from working correctly.

What to do:

  • Right-click the area where your form should appear and select Inspect to view the page's HTML source.

  • Check whether the AWeber snippet is nested inside an existing <form> tag.

  • If so, move the AWeber snippet to a location outside any existing form tags, or contact your page builder's support for guidance on placing custom HTML outside form wrappers.

Step 10: Confirm Your Platform Supports Custom JavaScript

Not all website platforms support custom JavaScript. In particular, free and personal plans on http://WordPress.com do not allow third-party scripts. The AWeber JavaScript snippet requires a platform that permits custom code.

What to do:

  • Confirm you are using a self-hosted http://WordPress.org site, not a hosted http://WordPress.com plan.

  • If you are on a platform that does not support custom JavaScript, consider using a sign-up link or a native plugin integration instead.

Still having trouble? Contact AWeber's Customer Solutions Team for personalized assistance.