Keyword-Based URL Blocking

Document created by catherine.racette on Feb 1, 2017Last modified by catherine.racette on Sep 4, 2017
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This feature is applicable only if it has been enabled for your account. If enabled, the Keyword tab is displayed at the top of either the Creative Attributes page (if enabled) or the Blocklist Manager page in the PubMatic platform. If this feature is disabled for your account and you want to enable it, contact your PubMatic Account Manager.

About Keyword Based URL Blocking

Currently in PubMatic, a publisher can block creatives from a specific advertiser by specifying either its domain URL, attributes of the creative (such text-only ads, video ads, and so on), or category of the creative (such as Auto, Fashion, etc.). For URL-based blocking, the publisher must specify the complete domain URL of the advertiser. However, the publisher may not be aware of newer URLs the advertiser is using. The Keywords-based URL blocking feature enables the publisher to specify a keyword that is a part of the advertiser’s URL and the PubMatic system will automatically block the entire list of domain URLs that contain that keyword.

EXAMPLE: If you want to block creatives from advertiser named, "XYZ," and specify the keyword as xyz, all the domain URLs present in PubMatic and all the upcoming domain URLs that contain "xyz" will be blocked. For example, www.xyz.com, www.defxyz.com, www.xyzdef.com, www.defxyzabc.com, etc.


This feature also continuously checks at regular intervals if there are any new domain URLs being used to serve creatives. If such a new URL contains the designated keyword, that URL will automatically blocked. In this way, the publisher does not have to check for new URLs from the blocked advertiser and then block them manually. After adding a new keyword, the publisher can then use this feature to view the list of blocked domain URLs which contain this keyword. This allows the publisher to review and check whether this feature is not accidentally blocking a domain URL due to the presence of the specified keyword. The publisher can then unblock a domain URL which it does not want to block, even though it contains the specified keyword.


The objective of Keywords-based URL Blocking feature is to block the domain URLs automatically by specifying the keyword which appears in the URL name.

Blocking URLs Using Keywords

To block URLs based on keywords, you must first add the keywords. Once a keyword is added, the domain URLs that match the keyword will be blocked automatically.

Add a Keyword

  1. Select Ad Quality | Blocklist Manager.
    OR
    Select Ad Quality | Creative Attributes.
  2. Click the Keyword tab.
  3. Specify whether this action should be applied to all sites or a specific site by using the Sites drop-down list.
  4. In the List of Keyword added box, enter the keyword name that you want to specify.
  5. Click the Add button. The keyword will be specified and the corresponding domain URL(s) will be blocked automatically.

Unblock a URL Using a Keyword

You can unblock the domain URLs if they have been inadvertently blocked.

  1. Select Ad Quality | Blocklist Manager.
    OR
  2. Select Ad Quality | Creative Attributes.
  3. Click the Keyword tab.
  4. From the List of Blocked Domain URLs table, select the URLs that you want to unblock and click Unblock.
  5. When the confirmation dialog box displays, click Yes.

Download a List of Blocked Keywords

  1. Select Ad Quality | Blocklist Manager.
    OR
    Select Ad Quality | Creative Attributes.
  2. Click the Keyword tab.
  3. Click the Download Complete List link above the keyword selection. The list will be exported in CSV file format.

Upload Blocked URLs

  1. Select Ad Quality | Blocklist Manager.
    OR
    Select Ad Quality | Creative Attributes.
  2. Click the Keyword tab.
  3. Click the Upload to Unblock Domain URLs link.
  4. Click the Browse button to locate the document to be uploaded.

    The document to upload should be in Comma-Separated Value (CSV) file format. Click the CSV Template to upload Blocked URL List link to download the blocked URLs list template.

  5. Click the Upload button to upload the URL list.

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