# Passendo

> Passendo is the leading email ad server and platform for publishers and advertisers: unlock new revenue with powerful targeting and delivery\.

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## Pages
- [Passendo ad server](https://passendo.com/email-ad-server/)
- [Online platforms \& marketplaces](https://passendo.com/online-platforms-and-marketplaces/)
- [Get a tour](https://passendo.com/get-a-tour/)
- [This is a test](https://passendo.com/this-is-a-test/)
- [Ad Server VS\. Ad Exchange](https://passendo.com/ad-server-vs-ad-exchange/): Ad server vs ad exchange for publishers\. Learn the key differences in control, data ownership, and long\-term newsletter monetization\.

## Posts
- [Passendo vs Google Ad Manager for Email Ad Serving](https://passendo.com/blog/passendo-vs-google-ad-manager/): Google Ad Manager added email newsletter ad support in 2024, but it's a beta feature on an enterprise tier\. Here's what publishers actually get from each platform\.
- [When Should an Online Platform Invest in Email Advertising? 6 Signals That Tell You It's Time](https://passendo.com/blog/when-to-invest-in-email-advertising/): When to invest in email advertising is THE question for any automotive, real estate, travel, or job platform\. Here are 6 signals to know\.
- [Why do I need an ad server? A Practical Guide for Newsletter Publishers Ready to Scale](https://passendo.com/blog/why-do-i-need-an-ad-server/): When you want more manual email advertising setup \- control, targeting, and real revenue \- it’s time to talk about why you need an ad server\.
- [Ad Server vs Ad Network: What Every Newsletter Publisher Should Know](https://passendo.com/blog/ad-server-vs-ad-network/): Discover key differences between an ad server vs ad network for newsletter publishers, and learn which setup protects revenue and control\.
- [Ad Inventory Management: A Publisher’s Guide to Newsletters and Beyond](https://passendo.com/blog/ad-inventory-management/): Ad inventory management is the backbone of publisher revenue\. Growth depends on how well the ad inventory is forecasted, priced, and sold\.


## Case Studies
- [Zoopla](https://passendo.com/case-study/zoopla/): How Zoopla created a new focused ad product for the UK property market with Passendo\.
- [Healio](https://passendo.com/case-study/healio/): Healio added $750K in revenue, increased fill rates by 39%, and saved 100\+ hours through Passendo\.
- [realsestate\.co\.nz](https://passendo.com/case-study/renz/): realestate\.co\.nz increased yield and saved significant ops time with Passendo’s email ad server\.
- [Roularta](https://passendo.com/case-study/roularta/): How Roularta Media Group achieved 2x ad impression volumes through programmatic with Passendo\.
- [audienzz](https://passendo.com/case-study/audienzz/): How audienzz achieved 100% fill rates and six\-figure ad revenues with Passendo\.

## Categories
- [Monetization](https://passendo.com/category/email-monetization/)
- [Industry News \& Insights](https://passendo.com/category/industry-insights/)
- [Ad Serving \& Technology](https://passendo.com/category/ad-serving-technology/)
- [Email Advertising](https://passendo.com/category/email-advertising/)
- [Data \& Privacy](https://passendo.com/category/data-privacy/)

## Optional
- [Sitemap index](https://passendo.com/sitemap_index.xml)