Usually in the top left part of your screen, you should see the icon for the ad blocker. Sometimes you will receive a notification of a pop-up blocked as well.  Below are some links to popular add blockers:

Adblock Plus

1. Click the Adblock Plus icon.
2. Click “Enabled on this site” to disable ad blocking for the current site.
3. In Firefox Click “disable on ancient.eu” to disable ad blocking.
4. Reload the page you were viewing.

Adblock

1. Click the Ad Block icon.
2. Click “Don’t run on pages on this domain”.
3. Reload the page you were viewing.

Ghostery

1. Click the Ghostery icon.
2. In Ghostery versions < 6.0 Click “Whitelist site”.
3. In Ghostery version 7.0 click “trust site”
4. In Versions < 6.0 You will see the message “Site is whitelisted”. Click “reload the page to see your changes.”
5. Reload the page you were viewing.

uBlock / uBlock Origin

1. Click the uBlock / uBlock Origin icon.
2. Click the “power” button in the menu that appears to whitelist the current web site.
3. Reload the page you were viewing.

Disconnect

1. Click the Disconnect icon.
2. Click “Whitelist site”.

Firefox Tracking Protection

In Firefox, “Tracking Protection” may activate our adblock notice. It can be temporarily disabled for a browsing session by clicking the “shield” icon in the url bar if visible and following the instructions. For further details on Tracking Protection please review Mozilla’s support.