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Ad-Blocking
How an advert gets served

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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
1. Visitor navigates to the Publisher Website by connecting to Publisher Web Server
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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
2. Publisher Web Server sends back HTML code to visitor’s Web Browser
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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
3. Included in that code which was received from the Publisher Web Server is what is
called an ‘ad tag’
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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
4. The ‘ad tag’ instructs the Web Browser to connect to the Ad Server which will
serve the advert
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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
5. The Ad Server sends back a piece of code containing instructions about where the
Web Browser should get the advert resources from, e.g. ad images, videos etc
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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
6. The Web Browser then typically connects to a Content Delivery Network server to
get the required advert resources
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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
7. Content Delivery Network then delivers back to the Web Browser the requested
resources such as images, videos etc
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Oriel Ventures Limited Part of “Ad-Blocking - A Primer for Publishers - Part 1 - How Adblocking works”
8. Having all the required resources downloaded, the Web Browser then renders the
advert which is displayed to the visitor
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Analyse, Communicate and Re-engage
For further information
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