Over 30 satisfied web publishers, among them:


is to relieve publishers of managing their own ad space and in turn give them much higher incomes.

We provide publishers the opportunity to focus on what they do best - publishing, while we take care of managing their yield/non-premium/free ad space.

But that's not all. Not only we help publishers, we also provide higher profit than they would get if they managed their own ad space.


We will do all the work - from strategic concept, custom tailored for every publisher, to execution!


We don't bind our clients with a contract, you can replace us at any given moment.


All our team members have experience in media and they deeply understand publisher's position.


We use advanced machine learning and floor pulling algorhytms which result in high CPM/CPC metrics.


We guarantee profit growth.


By using our interface you can track succes rates and growth in real time.


We approach every client individually, which means we always respect the specifics of a project.


We respect deadlines and payments are delivered in a timely manner.

Our work approach?

A new collaboration to us means we need to scan editorial, technological and other specifics of a website. Then we conceptualize a strategy and ad placement proposition.Furthermore, we implement the strategy - in this stage of our collaboration the publisher is minimally involved. Sometimes, the publisher is not involved at all because in the implementation stage we can do everything by ourselves.

We connect the publisher with the source of programmatic advertising - AdExchange (Google AdExchange, OpenX and Google Adsense). We use machine learning technology which creates a demand pressure on advertisers, resulting in higher profitability rates for publishers.

We optimize. In the long run - our primary goal is to increase income, but in the process we take care of different factors which affect readership and development such as great user experience and fast load times.

What does the collaboration process with 234 look like?

For starters, you need to contact us and provide some basic information about your website. After that, we will make an analysis and let you know if the collaboration is possible. If the collaboration is possible we can start in about 2 weeks, further details will be provided as we go.

How much does our service cost?

Our service does not have a fixed price, The price is defined through a percentage of the profit we bring you, the only condition is that the profit must grow. That condition serves as our guarantee which is why there are no risks for publishers, meaning the publishers cannot lose money.



AdExchange is an exchange made for premium web publishers and premium advertisers, AdSense is a plug&play solution which does not need much setting up and it gives solid results with fill rates up to 100%. AdExchange has a much larger potential for your profit growth but to use that potential you need an advanced setup which most of web publishers do not have at their disposal.


Header bidding is a technological solution in programmatic advertising which was developed as a response to the traditional waterfall model. The waterfall model brings together a few ad networks in a serial connection. Firstly, the opportunity to place ads is given to the network with the highest priority (with conditions such as minimal CPM).

If that network does not have an ad ready the opportunity is given to the next network and so on. The main advantage of header bidding is that it gives the opportunity to a potentially unlimited number of networks to compete for every impression simultaneously, which results in higher CPM rates and more profit for web publishers. Header bidding has its advantages and disadvantages.

There are two implementation options - client side (for example prebid.org) and server side (Google Exchange Bidding). The main disadvantage of client side header bidding is that it can cause latency and it is not currently supported by all the relevant Ad Exchanges. Server side header bidding relies on ad server technology which in turn can compromise the basic idea of equal approach for every bidder.Depending on the situation header bidding can be a good solution.


Of course. We at 234 do not place ads which can compromise good user experience (for example popup ads), explicit ads which contain guns, pornography etc. We also do not place ads which do not fit into your website's frontend. If you want to block a certain advertiser we can also do that for you.


Yes. If you sold some ad space for a direct campaign we can set up a special procedure which takes the rest of the impressions and shows Google ads or as we call it backfill, or, if your direct campaign is of the fixed type Google ads are temporarily terminated until your campaign is finished or it fulfills its goals.

Satisfied publishers
Ad impressions
Office plants


Got questions? Contact us.