Display banner advertising accompanies the user at every step: in the middle of listening to an interview with an interesting personality, while searching for plane tickets or reading a scientific article, while choosing products in an online store or generating gift ideas for Christmas. Some announcements we remember, some we scroll through, and some we simply don't notice among the large amount of informational noise. That's why, in banner advertising, size matters. And this size directly affects the efficiency, effectiveness and coverage of the entire advertising campaign.
If you've chosen to promote your brand through display networks, it's important to know the standard sizes of advertising banners. This can significantly impact the effectiveness of your advertising campaign, and choosing the right size can guarantee high marketing results.
In addition, the quality of your advertisement and banner is crucial. Display networks and exchanges follow strict rules set by the Interactive Advertising Bureau (IAB) to ensure high-quality advertising.
How dangerous is choosing the wrong banner size? It can have several negative effects, such as:
slowing down the loading speed of the site where the ad is placed, which can decrease the quality of interaction with it;
degrading the image display due to low resolution, which can harm the brand's reputation;
It is highly recommended to choose the appropriate banner formats from the outset to ensure ease of readability and prevent accidental clicks. The banner should occupy an appropriate amount of the user's screen. Careful consideration of banner sizes not only enhances visual appeal, but also helps to foster brand loyalty.
Before launching an advertising campaign, it is important to analyze the rules of banner networks, the activity of competitors and colleagues in the market to find effective combinations that can already be considered standards.
According to Spider AF, in 2024 the most common sizes of advertising banners are:
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Square 250×250 px A classic universal format that works well within content blocks.  |
Small Square 200×200 px A compact option often used in low-cost placements and mobile versions of websites.  |
Banner 468×60 px One of the first display advertising standards, still used as an economy format.  |
Leaderboard 728×90 px One of the best for visibility, ideal for the top of the page.  |
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Medium Rectangle 300×250 px The most popular format globally (high CTR, high viewability, supported by all networks).  |
Large Rectangle 336×280 px Performs better than 300×250 on websites with wide content.  |
Skyscraper 120×600 px Vertical format for sidebars.  |
Wide Skyscraper 160×600 px A more effective alternative to 120×600px due to better visibility.  |
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Half Page Ad 300×600 px One of the most effective formats of 2025: large, noticeable, high stop-effect.  |
Large Leaderboard 970×90 px Often used in premium placements.  |
In 2025, advertising networks are actively promoting:
The Interactive Advertising Bureau (IAB) has created standardized rules and guidelines for actual banner sizes that work across all ad networks (especially the Google network).
Choose the most suitable ad formats that you can use in any advertising campaigns. Remember that the maximum size is 150Kb.
970×250 – billboard (a large enough banner that provides ample space to showcase all relevant information and catches the user's attention with its prominent placement on the screen, making it a great choice for ensuring user engagement);
970×90 – wide horizontal banner (gives more space for communication with potential customers);
728 × 90 — horizontal banner (placed above the navigation bar and/or main content, one of the most popular formats among advertisers);
468 × 60 – an advertising banner used when the placement platform cannot accommodate the size of a horizontal banner (also placed above the navigation bar or between sections of page content);
300×1050 – a special format that can be placed on the left or right sidebar (instead of 300×250 or 160×600 zones);
160 × 600 – is a vertical banner also known as a "skyscraper" and is typically placed on the left or right side panels of a website;
120×600 is a narrower format of a skyscraper, which is in very high demand among advertisers;
160×90 – vertical advertisement used in small advertising areas;
300×600 – half-page advertising that provides ideal presentation of information (and hence the interest of advertisers);
336 × 280 – a large rectangular ad (often placed on the sidebar or between page content);
300×250 – medium rectangular ad (one of the most popular formats, looks harmonious with site blocks);
250 × 250 — a square ad that is often placed on resources that cannot accommodate the previous rectangular format.
What is important to consider in 2025?
Mobile ads are available in the following sizes for iPhone, Android, and other smartphone OSes:
320×480 – portrait banner;
300×250 – medium rectangle;
320×100 – a large mobile banner;
300x 50 – small banner for smartphones;
320×50 – mobile horizontal banner.
Advertisers have a wide choice of different banner formats. Some ad sizes are more effective than others, including where they are placed on the site. In addition, the cost per ad in each format is also different, so you can easily diversify your advertising budgets to get the most performance for the least amount of money.
"Banner Ad Size Guide: Characteristics of Each Platform" lists the TOP 5 formats by performance, including 300×250, 336×280, 728×90, 160×600, 320×50 (mobile).
To form a plan for creating an effective advertising campaign, we prepared data on the frequency of use of different sizes in various campaigns. Generalized indicators for the most popular sizes of advertising layouts, sorted by the frequency of their use:
The most popular banner format. It is considered convenient, compact (because it does not take up much space on the page) and very informative. Such ads load adequately on unstable mobile internet and are great for many types of display advertising campaigns.
When is it best to use? The medium rectangle format is very common, and advertisers always have many placement options. Such a banner shows high results of coverage. We recommend placing the banner in the article, between paragraphs or at the very end.
Examples of medium rectangle (300*250) banner templates in BannerBoo
It is self-explanatory. While it's not the largest size available on display networks, it is slightly bigger than the standard formats we're all familiar with. The banner is typically placed to the right of the content and text articles. One of its key advantages is its ease of development.
When is it best to use? For advertising where it is important to provide a large amount of information. These banners show high levels of engagement and interaction rates. The best CTR is in ads that are integrated into the content of the site and help visually divide the site into parts.
Examples of large rectangle (336*280) banner templates in BannerBoo
This type of advertising banner is commonly found on various informational resources with ads. Due to its horizontal format, it stands out from other ad sizes and remains constantly visible to the user. As a result, advertisers often compete for this position. If maximizing reach is a priority for your campaign, it's worth considering this banner size. In fact, Google even recommends using it for forum advertising.
When is it best to use? For placing text information, with minimal and very readable graphic elements. This format can provide a really significant amount of traffic per ad, but it is important that it is optimized and does not overload the site.
Examples of horizontal banner format templates (728*90) in BannerBoo
This is one of the full-format banners of the AdSense advertising network, which shows the best interaction results at the top or bottom of the site page. This is a full-format version of the ad, where you can place not just text and graphic elements, but also a full-fledged image, photo or GIF animation. This format works mostly on desktop and is almost not displayed on smartphones.
When is it best to use? This banner format is ideal for displaying a visual story on the display network rather than just a text ad. It's easy to create and convenient, but it's important to avoid overcrowding the space with too much information. Additionally, consider the position, style, and visual character of the banner to maximize its impact.
Examples of billboard banner templates (970*250) in BannerBoo
Of course, the banner does not take up half of the site page, as the name might suggest. However, it has the largest size compared to other banners. This is a great format that provides many opportunities to create a creative and exciting ad and attract the attention of potential buyers. But there is also more development work. This format is now one of the most prioritized for display advertising.
When is it best to use? This banner format is the optimal choice to draw attention to a high-quality and creative advertising message or special offer. It is ideal for local advertising when it is important to display more of the image in a specific location."
Examples of half page ad format banner templates (300*600) in BannerBoo
Despite a certain specificity of the format, many sites place this functionality to attract the attention of potential buyers and visually emphasize and highlight the sidebar of the resource. Usually, such an advertising banner is placed on the left part of the site page or in the upper corner. Approximately 12% of banner advertising in the world is in the Wide Skyscraper format.
When is it best to use? Advertisers often choose this format because it is affordable and visually appealing. The ideal format for branding companies and the formation of sustainable visual imageries. A good idea is to combine a wide skyscraper with interesting or useful content (an article). To avoid accidental clicks, do not place this banner too close to the navigation menu.
Examples of banner templates in the wide skyscraper format (160*600) in BannerBoo
This banner format is becoming increasingly popular in display campaigns, as it's tailored for display on mobile devices and has a visually comfortable presentation without being intrusive to users.
When is it best to use? This format is perfect for displaying Google Ads on mobile devices. It's also the most cost-effective compared to larger formats. However, as the advertising space is limited, it's essential to keep the ad brief and straightforward, conveying the key message directly.
Examples of mobile full banner templates (320*50) in BannerBoo
A large mobile banner is displayed on almost 30% of the smartphone’s space. It works best when displayed at the top of the page, right below the headline. Some networks place such banner formats at the bottom of the page and throughout the content. As mobile traffic continues to grow, advertisers are focusing on creating more and more mobile ads for their business. In 2025, it became a priority in mobile advertising.
When is it best to use? If your goal is to generate high-quality traffic from mobile devices, this banner is an effective option. It allows you to convey necessary information, while also incorporating visually appealing graphics.
Examples of large mobile banner templates (320*100) in BannerBoo
Square is one of the smallest AdSense banner sizes. It has a simple and clear format because square images are visually best perceived. Another advantage is that square ads are more likely to adapt to the design of the site, unlike vertical or rectangular formats.
When is it best to use? If your goal is to distribute your ads as widely as possible, square formats are the ideal solution. They provide adequate framing for the image, and the visual elements become more noticeable. Square banners are also easily integrated into the structure of various sites, making them a versatile choice for advertisers.
Examples of square (250*250) banner templates in BannerBoo
There is a stereotype that customers respond better to standard banners that they are used to seeing in many advertising campaigns. Let's analyze in more detail: does choosing a non-standard advertisement guarantee less coverage, or maybe a more familiar format will bring higher engagement rates?
Marketers’ opinions are divided into two opposing sides: some prefer the standard banner size and agree that the medium rectangle (300×250) will continue to be the gold standard, but in 2025, the group of most effective formats also includes 300×600 and mobile banners 320×100 and 320×50. The large rectangle (336×280) continues to show high results, while the popularity of the horizontal banner 728×90 has decreased due to the dominance of mobile traffic. Designers note the convenience of rectangular advertisements (development will take a minimum amount of time), and marketers are delighted with the horizontal banner, where you can place all the necessary information.
On the other hand, it is worth considering banner advertising through the prism of analyzing the needs of the target audience, the results of displaying various formats and evaluating the effectiveness of the campaign and/or platforms. And here, the data very often has different meanings, depending on the specifics of the business and the characteristics of the target audience.
Modern media platforms allow advertisers to choose the desired banner size (even a custom one) and automatically adapt it to the advertising network, thanks to the use of responsive ads (Responsive Display Ads), which automatically adjust the creative to the available advertising space on the network.
While the primary objective of Google Ads is to increase visibility, it's equally important to ensure that your target audience clicks on your ad and ultimately converts into customers by engaging with your brand.
When you're paying for Google Ads, it's important to know which banner ad sizes generate the most impressions, clicks, and sales. They can affect engagement rates, and hence the cost of an advertising campaign.
Why Google Ads parameters are important:
affect ad conversion rates;
affect the cost of advertising clicks;
affect inventory availability and the cost of impressions;
regulate the level of competition;
responsible for adequate display of the advertising banner on any display sites.
So, when planning your ad campaign, it's a good idea to follow the network size specifications to create ads that work correctly on different screen sizes. If you ignore them, Google may serve your ads and you'll miss out on the chance to interact with 2 million sites and reach up to 90% of all Internet users (according to match2one.com).
In 2025, Google officially states:
We recommend using automatic resizing strategies to optimize ad delivery.
In order to automatically convert the designed ads into standard banner sizes that are integrated into the advertising space, Responsive Display Ads are used, which automatically adjust the creative to any available advertising format and placement. It adapts the layout according to the parameters of the advertising space in which it is placed (or is planned to be placed). The optimized format will provide up-to-date display so that you get more impressions, filling more available places on each advertising resource with ads. But, for example, responsive display ads independently create all the necessary sizes and formats based on uploaded images, headlines and texts, so you do not need to prepare dozens of separate layouts.
A banner ad contains an image or other form of illustration, rather than just a text ad. You need to work on creating a creative and original advertising banner that can attract the user's attention and motivate him to learn more about the product or service.
According to Statista (2025 forecast), advertising spending on banner advertising amounted to $174.4 billion, of which more than $126.2 billion was the share of mobile ads. In 2025, these figures were revised, but the general trend remained unchanged: the market is growing, and the cost of mobile advertising is ahead of desktop.
Advertising spending is expected to increase every year (CAGR updated by Statista for 2025), and the market will exceed the predicted $217.6 billion by 2028.
*material from the Statista resource
At BannerBoo, we believe that you don't need to be a professional graphic designer to create a successful banner for a display campaign. Every advertiser can use stock images and template ads to promote their business.
However, it is worth knowing the basic design principles to ensure your layouts truly grab attention:
keep it simple – a banner should be readable in 1–3 seconds;
write concise and active copy: the wording should motivate viewing;
choose interactive formats: HTML5 remains effective, but in 2025, Google prioritizes Responsive Display Ads, which automatically adjust sizes and animation;
use the right animation: in 2025, it is important for animations to be lightweight, not exceed 30 seconds, and not create excessive load on the device;
select relevant colors that match the brand book;
choose active CTAs;
adapt ads for mobile devices – mobile traffic dominates, so use 320×100, 320×50 formats, and responsive RDAs;
choose readable fonts – text must be visible even in the smallest formats.
Banner advertising is an active digital marketing tool. It helps drive users to the website, generates demand, and increases the effectiveness of a media campaign.
There are three main forms of banner networks:
Special banner exchange services (Banner Exchange Services)
ensure the display of advertisements instead of publications on the pages of the advertised resource of other banners. You can configure:
show advertising to a separate group of potential buyers;
choose the intensity of display or advertise in selected time intervals;
don't show ads to the same user again throughout the day.
We recommend collaborating with webmasters of pages that have a similar theme and agreeing to place banners on each other's websites.
Advertising on the Google network (a large display system that shows the desired ads for relevant queries).
We recommend testing all possible options to choose the most relevant for your business.
Banner advertising continues to demonstrate high effectiveness and remains an important part of online promotion for any business. To maximize audience reach and convey key messages, it is important not only to create high-quality creatives but also to choose formats that display best on different screens and are supported by modern advertising platforms.
Google, one of the largest banner networks in the world, sets the standards for sizes and technical requirements. In 2025, ads must comply with the IAB Tech Lab Ad Standards 2024–2025 specifications, as well as take into account the features of mobile traffic, which continues to grow. The banner format affects visibility, number of impressions, potential interaction, and overall campaign effectiveness.
As of 2025, the most popular and effective banner advertising formats are:
These formats cover the main advertising zones on laptops and smartphones and ensure the maximum possible presence in the display network.
It is also worth considering that Google is actively shifting towards Responsive Display Ads, which automatically adjust the creative to hundreds of available formats. They provide the greatest reach, improved efficiency, and simplify the preparation of advertising campaigns.
A standard display banner is a static or interactive image (HTML5, GIF, with or without animation) displayed on websites, mobile apps, and ad networks. Banners can adapt to different ad spaces and support additional media elements (video, interactive elements).
As of 2025, the most popular and effective formats are:
300×250 Medium Rectangle
300×600 Half-Page Ad
Mobile formats are also widely used:
320×100 Large Mobile Banner
320×50 Mobile Banner
The optimal size depends on:
placement on the site;
device type;
your audience's behavior;
campaign goals.
In 2025, the best results in terms of CTR and viewability are shown by:
300×250
300×600
336×280
320×100
320×50
Conduct A/B tests – data will show which format works best for your brand.
Desktop:
300×250
336×280
300×600
970×250 (billboard)
Mobile:
320×100
320×50
300×250 (adaptive placement)
The size of Google Ads banners you display on your site always matters. Choose effective formats:
Important: Google is switching to Responsive Display Ads (RDA) – adaptive ads that automatically create all necessary sizes based on your creative.
You can download examples of display banners at this link.
Some banner sizes and formats are more effective than others (depending on their placement):
300×250 – #1 rank in impressions;
300×600 – high visibility and engagement;
320×100 – main mobile format;
336×280 – wide rectangle for content zones.
Google Ads: up to 150 KB for HTML5 banners.
Programmatic DSP/SSP: usually allow up to 200–300 KB, depending on the network
For social networks, the most common formats are square banners (1080*1080) and full-screen stories (1080*1920).
Advertisers most often choose one of the following formats (or all at once, it all depends on the goals of the campaign):
medium rectangle (300×250);
horizontal banner (728×90);
mobile banner (320×50);
wide skyscraper (160×600).
See examples of mobile ad templates (320*50) at BannerBoo:
See examples of medium rectangle (300*250) banner templates at BannerBoo:
Banners in the medium rectangle format are very common and often used in planning media activities. We at BanneBoo recommend placing the banner within the article, between paragraphs, or at the very end.
See examples of horizontal banner (728*90) format templates in BannerBoo:
The most desirable format for advertisers because it has enough space for placing the necessary information, is at the top of the page in visibility and also has a horizontal format, which is very rare in the display sphere.
See BannerBoo Wide Skyscraper (160*600) Banner Template Examples:
The ideal format for promoting branding companies and forming sustainable visual imageries. A wide skyscraper is perfectly combined with interesting or useful content.
