Programmatic promoting is quickly turning into the dominant type of media shopping for within the digital panorama. In actual fact, greater than 91% of show advertisements within the US are anticipated to be bought utilizing programmatic strategies by 2024
As advertisers more and more flip to programmatic shopping for to achieve their goal audiences effectively, the position of supply-side platforms (SSPs) has change into paramount.
What’s a supply-side platform?
A supply-side platform (SSP) is a know-how platform that permits publishers (akin to web site house owners, app builders, and content material creators) to handle and promote their promoting stock routinely.
SSPs function an important bridge between publishers and demand sources, automating the promoting course of via real-time auctions and guaranteeing that advert area is bought at optimum costs.
This text explores the idea of SSPs, how they operate throughout the programmatic ecosystem, and their significance in serving to publishers navigate the complexities of digital promoting whereas enhancing their profitability.
How does SSP work?
An SSP is a gateway for publishers to commerce their promoting stock programmatically throughout web sites, video games, or cellular apps via automated auctions.
The first purpose of an SSP is to supply well timed reporting on marketing campaign efficiency whereas maximizing the worth of advert areas for publishers.
Listed below are some key functionalities it provides:
- Entry to demand: Connects publishers to a number of patrons, enhancing their income potential.
- Market insights: Permits publishers to evaluate market circumstances and modify pricing accordingly.
- Worth management: Empowers publishers to set and handle minimal costs for his or her stock.
- Yield administration: Helps management fill charges and optimize general yield from advert areas.
As a vital part of the programmatic promoting ecosystem, an SSP allows publishers to public sale off impressions to numerous patrons, facilitating real-time bidding. It gives a unified interface for managing advert campaigns, reviewing marketing campaign particulars, and controlling CPM (price per thousand impressions). SSPs can combine with demand-side platforms (DSPs), company buying and selling desks, advert networks, and advert exchanges, permitting for seamless buying and selling throughout a number of demand companions.
As soon as publishers arrange SSP advert tags on their pages, media shopping for happens routinely via real-time auctions or different programmatic strategies. The SSP streamlines this course of by reviewing advert requests, matching them with related stock, and conducting prompt negotiations.
Though stock buying and selling is totally automated, SSPs provide mechanisms to guard publishers from unfavorable offers. They permit publishers to determine a worth flooring, guaranteeing that auctions don’t fall beneath a specified minimal worth.
Moreover, SSPs prioritize model security and fame administration. They filter out spam and inappropriate advertisements, serving to publishers keep a loyal viewers. For instance, a writer can create whitelists and blacklists to limit particular advertisers, akin to stopping tobacco and alcohol firms from displaying advertisements on child-oriented web sites.
DSP vs. SSP
The demand-side platform, or DSP, is a degree of entry for advertisers into the programmatic ecosystem. DSP is a software program that enables manufacturers, advert networks, and companies to buy advert areas from publishers programmatically.
A DSP units the advertiser’s necessities relating to the viewers, worth, and marketing campaign targets. The platform routinely assesses out there advert stock and bids on the advert areas that greatest meet the necessities. A DSP may also measure and optimize advertising campaigns in real-time and dynamically change creatives within the advert area.
How an SSP interacts with a DSP
- A person enters the web site.
- Details about the potential impression is handed to SSP.
- SSP provides the impression to advert exchanges or on to DSPs.
- DSP critiques the impression and analyzes if it satisfies the advertiser’s marketing campaign settings. If it does, DSP bids on the impression, steadily via an advert alternate.
- SSP receives bids from all of the demand companions and chooses the best bidder.
- The profitable advert seems on the web site.
Options of supply-side platforms
Provide-side platforms (SSPs) provide a variety of options designed to assist publishers optimize their promoting methods and maximize income
1. Advert high quality/format selection
SSPs help varied promoting codecs. If you contract an SSP, you might be assured that their publishers adhere to a single ad-serving protocol, and consequently, you will not want further changes to serve advert creatives.
SSPs work in varied media environments: internet, in-app, in-game, CTV, and DOOH. In every atmosphere, SSPs help varied advert codecs: show advertisements, banner advertisements, native advertisements, playable, push, and video advertisements.
Some SSPs focus on online advertising, cellular, and desktop site visitors, and others function completely within the OTT/CTV sector. Nevertheless, most SSPs are attempting to know extra area of interest markets and attain as many environments and codecs as doable.
2. Actual-time transactions/bidding
SSPs are optimized in actual time based mostly on intensive writer information. This enables entrepreneurs and advertisers to focus on particular person impressions as a substitute of shopping for blocks of promoting. The actioning mannequin fosters the transparency of the digital market and permits advertisers to get the actual market worth of advert placements.
Auctioning might drive up the worth of particular placements, however in the long term, it’s a more cost effective technique for advertisers than direct media buys.
3. Geographic concentrating on
SSPs present information-rich geolocation information for advertisers. The precision will depend on the kind of machine and its connection to the community. Desktop gadgets with mounted web entry can present web protocol (IP) info for geotargeting, though it’s hardly ever correct past the nation stage.
Geotargeting for cellular gadgets is distinct from concentrating on desktop impressions. Cell gadgets can connect with the net in a number of alternative ways:

4. Situated and contextualized impressions
SSPs construction information from publishers to supply higher concentrating on choices for advertisers. Publishers monitor clients’ habits and preferences and may provide extremely contextualized impressions paired with behavioral information. For instance, if a person surfs web sites about open-ocean fishing, the SSP will categorize these impressions and counsel them to native fishing rod sellers.
Advertisers can arrange a more cost effective marketing campaign by utilizing a extremely focused stock that incorporates situated and contextualized impressions. There’s a distinction between concentrating on an individual in a selected area and concentrating on fishing lovers who steadily go to the native pond in that area.
These impressions will price extra since they incorporate supplier’s charges for information assortment and administration. Such information providers are usually offered by information administration platforms (DMP). SSPs associate with DMPs to raised phase audiences, analyze site visitors and provide impressions with extra exact information. The extra prices fluctuate relying on the supplier.
SSP will appraise these impressions greater, however the advertiser can get a greater attain and influence of their advertisements, and finally the next return on funding.
5. Insights right into a purchaser persona
SSP provides one other information dimension to supplied impressions by supplying them with the precise location and context and defining purchaser personas. Combining demographic information, akin to gender, schooling, and earnings stage, with nuances of person habits permits advertisers to find out potential shoppers’ affinities and intents.
SSPs improve supplied impressions with contextual info on viewers habits, actions, and preferences permitting advertisers to grasp the mindset of the potential shoppers. Advertisers can higher handle their campaigns and tailor their advertisements to particular segments of their viewers.
As an example, if the person visits an internet web page of bijou shops or high-end clothes retailers and has an earnings of over $150k+ per 12 months, the SSP will categorize this person as a luxurious shopper and place it within the corresponding phase. SSP then provides this extremely fascinating phase to advertisers who promote merchandise on this worth vary.
SSPs often improve CPM for these sorts of profiles, however advertisers know who’s behind an impression and its actual worth.
6. Privateness
Accumulating information on the person’s habits is turning into a delicate subject. A surge in privateness laws, akin to GDPR and the CCPA, constrains using monitoring cookies for concentrating on and personalizing advertisements. Advertisers are nonetheless engaged on an answer for a extra sustainable and confidential information assortment mannequin. Regardless of this, SSP has a few perks that may mitigate this drawback.
SSPs can construct nameless personas with writer’s information with out ever utilizing personally identifiable info (PII). Publishers needn’t give away private and confidential info to extend the yield from their stock. As a substitute, publishers construct nameless contextual personas based mostly on the person’s actions. It combines demographic information with a breakdown of actions and day by day actions with out violating a client’s privateness.
A persona doesn’t have a buyer’s PII; as a substitute, it tells extra in regards to the character and intentions of the web site customer. Personas allow the SSP to convey quite a lot of details about the viewers to potential patrons whereas conserving customers nameless and defending their privateness.
How privateness will seem like in a cookie-less world
Google’s determination to part out third-party cookies has prompted havoc with advertisers and publishers. Web site house owners who traded their advert area with the help of third-party cookies now need to rethink their information assortment mannequin.
For a lot of mid-size publishers, which do not depend on registration for person information, the resurgence of contextual concentrating on would be the means out. As a substitute of monitoring customers’ habits, this mannequin analyzes the content material and intent of the net web page and serves essentially the most becoming advert. This concentrating on method works greatest if the publishers use programmatic platforms from the identical end-to-end ecosystem.
Advantages of SSP for publishers
Understanding the important thing benefits of SSPs might help publishers make knowledgeable selections that improve their monetization methods. Under are the highest 5 advantages of utilizing SSPs for publishers.
- Elevated income: SSPs allow publishers to maximise their advert income by offering entry to a bigger pool of advertisers and demand sources.
- Stock administration: Publishers can effectively handle their advert stock, optimizing which advert areas are bought and at what worth.
- Actual-time bidding: SSPs facilitate real-time bidding, permitting publishers to promote their advert stock at greater charges as a number of advertisers compete for it.
- Knowledge-driven insights: Publishers achieve entry to beneficial analytics and reporting instruments that assist them perceive viewers habits and optimize advert placements.
- Improved advert concentrating on: SSPs improve advert concentrating on capabilities, guaranteeing that related advertisements are proven to the appropriate viewers, which may result in greater buyer engagement charges.
How publishers select SSPs
SSP providers are a crowded market of firms hustling to face out and show their worth. Publishers wish to work with SSPs that associate with quite a few demand companions and might help them make higher selections by sharing insights and well timed reporting marketing campaign outcomes.
Listed below are the points publishers worth essentially the most when selecting an SSP:
- Efficiency: a secure supply of demand and potential income for various advert codecs.
- Capabilities: platform UI/UX, performance, analytics, ease of use and integration.
- Partnership: accountability, consideration to the writer’s targets and suggestions, well timed response.
- Imaginative and prescient: associate’s place out there, reliability, innovation.

Programmatic shopping for strategies
By way of an SSP, a writer can set up a precedence and promote among the stock instantly, reserve some for the closed market of chosen advertisers, and public sale off the remainder via real-time bidding.

Programmatic assured
This technique resembles direct media buys between the writer and advertiser. The events agree on the variety of impressions and the worth. These impressions are reserved and assured to a specific advertiser and never supplied wherever else. The negotiations happen routinely via an API.
Most well-liked offers
A most well-liked deal is a technique of establishing main promoting companions. The publishers first provide their stock to the chosen advertisers at a pre-negotiated worth. Nevertheless, a specific variety of impressions will not be assured. If advertisers skip the prospect to buy these impressions, they’re then transferred additional to a personal market (PMP).
Most well-liked offers present publishers with a terrific comfort: they will promote stock on to high-paying shoppers, with the choice to promote it through different strategies if the stock stays unused.
Personal market
A non-public market, or PMP, is an invitation-only buying and selling platform for chosen advertisers. It’s steadily utilized by massive publishers and media holdings with premium segments of their stock. As a substitute of parading their stock available on the market, they promote it to an in depth circle of advertisers, akin to luxurious manufacturers.
Advert area is purchased and bought via a closed real-time public sale with an unique variety of contributors. The advertiser’s DSP connects on to the SSP within the non-public market.
Open auctions
Open auctions/ Actual-time bidding (RTB) is the broad time period that typically consists of open RTB and Header bidding and will embody varied promoting strategies.
At its core, real-time bidding is a means of buying and selling promoting areas via particular person impressions via the real-time public sale. The method of promoting and shopping for happens within the browser, server, or advert alternate that connects to publishers via an SSP and to advertisers via a DSP.
- Publishers make the advert stock out there via the SSP.
- Then, the SSP connects with demand companions (DSP or Advert alternate) and locations a bid request.
- As soon as advertisers assess the out there advert stock, they ship a bid request again to the advert alternate or SSP.
- SSP accesses the bids, filters out blacklisted and inappropriate advertisements, and sells the impression to the best provide. DMP often facilitates this course of via the alternate of information and cookie matching between the demand and provide platforms.
- After the deal is finalized, the advert server inputs the artistic into the writer’s web site’s advert spot.
Transactions happen immediately inside milliseconds whereas the net web page is loading. Actual-time bidding is often an open market the place all people can be a part of with out specific restrictions. However, three distinct fashions outline the gross sales dynamic: OpenRTB, header bidding, and a hybrid mannequin.
OpenRTB
OpenRTB makes use of the waterfalling or daisy-chaining technique, sequentially promoting the publishers’ stock and requesting one demand supply at a time. Publishers run a succession of real-time auctions till all of their advert stock is purchased. Publishers then provide the stock sequentially to the demand companions within the established order, in accordance with their historic yield.
OpenRTB operates through the second-price public sale mannequin. The profitable bidder pays the worth supplied by the second-highest bidder plus $0.01.
Header bidding
Header bidding is one other public sale mannequin that’s gaining mainstream adoption within the business. In header bidding, advert exchanges can bid concurrently for the best precedence within the advert server as a substitute of holding a separate public sale for every demand associate. Header bidding makes use of the plain and easy first-price public sale mannequin. Not all SSPs provide header-bidding performance.
Header bidding is turning into a brand new commonplace within the business, whereas openRTB stays a sensible technique for publishers who wish to prioritize a selected pool of advertisers.
Hybrid mannequin
There’s additionally a hybrid mannequin that mixes options of header bidding and open RTB to ship the utmost worth of every impression. The server conducts the openRTB second-price public sale after which goes on to a header bidding first-price public sale. The profitable bids compete in a further public sale figuring out the most effective worth provide. The hybrid mannequin will increase the possibilities of getting greater bids and amplifies monetization.
Finest supply-side platforms
One of the best ways to streamline advert gross sales and optimize stock is to make use of a sophisticated supply-side platform that includes the most recent programmatic methods.
Your alternative of SSP will depend on your particular wants and the way you propose to handle and monetize your advert area.
There are a number of elements to contemplate when choosing the appropriate SSP however to be included on this class, the platform should:
- Supply environment friendly stock administration instruments to maximise advert income
- Present entry to real-time bidding and programmatic demand sources
- Ship detailed insights and analytics to tell decision-making and technique changes
*Under are the highest 5 main supply-side platforms from G2’s Fall 2024 Grid® Report. Some critiques could also be edited for readability.
1. Google Advert Supervisor
Google Advert Supervisor is a complete administration platform designed for publishers to effectively handle their areas. With options like real-time bidding, superior concentrating on, and stock management, Google AdManager helps maximize advert income whereas guaranteeing a clean expertise for each advertisers and customers.
What customers like greatest:
“We use this platform day by day to run quite a few Google advert campaigns for various key phrases and merchandise in our eCommerce enterprise. We allocate 30% of our promoting finances to it, and it’s a terrific software when you’ve got searchable key phrases. In comparison with different promoting platforms, we get the most effective return on funding from this one. The platform additionally makes it straightforward to trace clicks, price per click on, conversions, and extra.”
– Google Advert Supervisor Evaluate, Brittaney F.
What customers dislike:
“There are some issues I don’t like about Google Advert Supervisor, akin to its problem in integrating with different instruments. As we use it extra steadily, we discover that integration turns into difficult, and we frequently have to make use of various strategies to attach with different instruments.”
– Google Advert Supervisor Evaluate, Vikas P.
2. 33Across
33Across is a supply-side platform targeted on maximizing advert income via excessive viewability and engagement. It provides real-time bidding and superior advert codecs like video and show and helps cross-platform monetization throughout desktop, cellular, and pill. Its emphasis on high quality advert placements helps publishers optimize their stock and join with programmatic demand.
What customers like greatest:
“Person privateness is central to 33Across as a result of they don’t save or retailer cookies, which builds buyer confidence in utilizing their utility. One other distinctive characteristic is the power to obtain automated commercials for his or her merchandise.”
– 33Across Evaluate, Mitali P.
What customers dislike:
“It may be difficult at first to grasp this new means of accessing the web, particularly since many individuals are unfamiliar with it. It doesn’t save cookies, and we have to work out tips on how to profit from this method. I imagine the advertising of this product ought to give attention to privateness, as it’s a main concern for many individuals at this time. They fear about how their information is shared and bought by giant firms. I firmly imagine that is the way in which ahead, however much more must be carried out to develop it.”
– 33Across Evaluate, Shivam S.
3. Sharethrough
Sharethrough is an SSP that focuses on native promoting. It delivers advertisements that combine seamlessly with writer content material to reinforce person expertise. It provides RTB, cross-device help, and a give attention to sustainable promoting. Sharethrough’s method helps publishers drive higher engagement and income with nonintrusive, content-aligned advert codecs.
What customers like greatest:
“There are new promoting strategies, like dynamic captioned movies and QR codes for linked TV (CTV). These seamless integrations are straightforward to activate and are distinctive options from a premium supply-side platform (SSP). Plus, they’ve the most effective representatives within the business!”
– Sharethrough Evaluate, Zachary J.
What customers dislike:
“The reporting might be time-consuming to navigate and edit, requiring scheduled studies. It could be useful to view studies throughout the person interface and have the choice to export them to CSV.”
–Sharethrough Evaluate, Tambra N.
4. AdSuite
AdSuite is a sturdy SSP that helps publishers streamline advert stock administration and maximize income via programmatic promoting. It helps real-time bidding RTB and multi-channel monetization throughout internet, cellular, video, and in-app and provides superior concentrating on capabilities. With its analytics and unified platform, AdSuite permits publishers to optimize their advert technique and increase efficiency.
What customers like greatest:
“My favourite characteristic in AdSuite is the evaluation and perception software. It clearly reveals viewers engagement. With AdSuite, my enterprise is rising, and I’m receiving orders from varied locations on-line. I’m earning profits simply.”
– AdSuite Evaluate, Kona Laxman D.
What customers dislike:
“The cellular model may very well be improved. Its worth level is greater than rivals, which raised considerations about long-term contracts. It additionally wants tagging to further dashboards like Tableau to generate significant, data-driven insights. It took us 4 weeks to coach workers and get began with the brand new software program. Total, the person expertise and value competitiveness of AdSuite might be improved.”
– AdSuite Evaluate, Suresh P.
5. Automatad
Automatad is a SSP designed for publishers to maximise advert income via programmatic promoting. It provides options like advert administration, header bidding, and integration with a number of advert networks to extend competitors for stock.
What customers like greatest:
“Automatad stands out for its user-friendly interface and efficient problem-solving capabilities. Its superior applied sciences are extremely helpful, and the shopper help group is great at resolving any points.”
– Automatad Evaluate, Sai T.
What customers dislike:
“Whereas the help group is usually useful, the response time might be sluggish. They usually take longer than anticipated to totally perceive and tackle queries.”
– Automatad Evaluate, Tariq I.
Let your advert area do the heavy lifting
Publishers’ widespread adoption of SSPs improves the standard of publisher-advertiser offers and enhances accountability in these relationships.
Just like what DSPs do for advertisers, SSPs automate the redundant guide procedures susceptible to human error and streamline the ad-buying course of for publishers. Publishers haven’t got to barter instantly with the salesperson and gather guide insertion orders. As a substitute, they depart the promoting to a pre-configured automated platform.
SSPs provide superior person evaluation, information profiling, viewers administration, and segmentation choices. By way of SSPs, publishers can present extra detailed insights into their viewers, enabling advertisers to focus on their advert campaigns to essentially the most appropriate viewers exactly.
Uncover writer advert servers that may optimize your advert stock, improve efficiency, and maximize income.
This text was initially printed in 2020. It has been up to date with new info.