Specifications
Delivery of advertising material
General
• max. 150 kB (Search Background Desktop max. 200 kB)
• Advertising material must be sent at least 3 working days before the start of the campaign.
• Please note in the e-mail: Advertiser, campaign name, duration and contact person for queries.
• Special formats (e.g. expandable ads) must be delivered at least 5 working days before the start of the campaign and, if necessary, approved by us.
• All standard advertising media should comply with the IAB standard.
• The target URL must lead to a functional website at the start of the campaign.
• All advertising material must be fully SSL (https) enabled.
• Third party tags must be enabled for testing purposes upon delivery.
Delivery Deadlines
• Standard Formats: Advertising material must be sent at least 3 working days before the start of the campaign.
• Special Formats: Advertising material must be sent at least 5 working days before the start of the campaign and, if necessary, be approved by SMG.
Delivery Address
• Advertising general, Automotive, Real Estate, General Marketplaces [email protected]
HTML5
• HTML5 advertising material must be delivered in a zip file.
• The maximum weight (according to specs) refers to all files together in an unzipped state.
• The HTML document should be formatted in UTF-8 charset.
• Special characters that are not displayed correctly in the browser with UTF-8 must be encoded manually (e.g. [&]auml; instead of ä).
• The trackings must be stored in the HTML5 banner.
• The target URL must be opened in a new tab (target=‘_blank’).
• Ad media tests must be possible locally in the browser.
• References in the advertising material to external resources (JS libraries, videos, fonts) must all be delivered via SSL (https://).
• Please refer to the instructions from Xandr (IAB Standard): smg.page/microsoft-html5-guidelines
Mobile, Video & Animations
Mobile
• If you are delivering HTML5 ad media for mobile devices, please include a static fallback (gif/jpg).
• We cannot currently guarantee HTML5 support in all areas.
Video
• File format: Raw-MP4
• Assets have to be delivered separately as PNG
• Best Case: No CTA & no graphics
• It is possible to work with product carousels
• Aspect Ratio: 16:9, 9:16. 4:4, 1:1
Animations
• The length of the animation within an advertising banner is not limited. However, the recommended maximum length is 30 seconds.
• Sound Activation by user interaction only.
• Flash files are not allowed.
Ad Speed
• Rendering: How quickly the ad renders under repeatable conditions.
• Initial Load: The sum of all assets (weight as per specs) loaded during page load.
• Subload: Assets loaded after the page has loaded (waiting for browser event).
• Heavy Ads Intervention: Chrome blocks ads that use more than 60 seconds of CPU, more than 15 seconds in 30 seconds, or exceed 4MB of network bandwidth.
• Initial File Requests: The number of file calls impacts ad and page performance.
• These tests ensure campaign and page performance. We proactively report any anomalies. If our specs aren’t met, visibility, click, and conversion rates may be affected. In such cases, we may not investigate counting discrepancies.
Format Specifications
Standards
• Halfpage Ad / Mobile Halfpage Ad
• Leaderboard
• Medium Rectangle
• Mobile Rectangle
• Mobile Ricchi
• Mobile Wideboard
• Native Ad
• Sitebar
• Wideboard
• Wide Skyscraper
Specials
• Advertorial Moneyland
• CommerceBox Moneyland
• Link & Box Combo
• Mobile Rich Media
• Newsletter Automotive
• Newsletter Real Estate
• Midscroll Desktop
• Midscroll Mobile
• Search Background Automotive
• Search Background Real Estate
• Service Box
• Service Teaser Home
• Sponsored Native Ad
• Video Head
• Mobile Video Head
• Video Wall
Advertising Terms and Conditions of SMG Swiss Marketplace Group Ltd
Advertising Terms and Conditions of SMG Swiss Marketplace Group Ltd (November 2025)
Contact
Would you like more information about SMG advertising
opportunities?
Let’s give you a personal consultation.