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2026 Social Video & Display Ad Specifications Matrix

Standardized pixel dimensions, aspect ratios, danger zone margins, and file size limits across major social media channels and programmatic display networks.

1. Social Media Vertical Video Safe Zones (9: to ×1920)

Platform / Placement Aspect Ratio Top Danger Zone Bottom Danger Zone Right Danger Zone Safe Area Center Box
TikTok Organic Feed 9:16 ~200px (10.4%) ~330px (17.4%) ~250px (13.0%) 740 × 1390 px
TikTok Spark & In-Feed Ads 9:16 ~220px (11.5%) ~480px (25.0%) ~250px (13.0%) 740 × 1220 px
Instagram Reels Organic 9:16 ~250px (13.0%) ~320px (16.6%) ~210px (11.0%) 780 × 1350 px
Instagram Reels Ads 9:16 ~357px (18.6%) ~510px (26.6%) ~210px (11.0%) 780 × 1053 px
Instagram Stories (Organic & Ads) 9:16 ~250px (13.0%) ~250px (13.0%) ~150px (8.0%) 930 × 1420 px
YouTube Shorts 9:16 ~380px (19.8%) ~400px (20.8%) ~195px (18.6%) 885 × 1140 px
Snapchat Spotlight & Stories 9:16 ~210px (10.9%) ~320px (16.7%) ~100px (5.0%) 980 × 1390 px
Snapchat Commercial Ads 9:16 ~210px (10.9%) ~450px (23.4%) ~100px (5.0%) 980 × 1260 px
TV Broadcast (16:9 1080p / 4K) 16:9 Action: 5% / Title: 10% Action: 5% / Title: 10% Action: 5% / Title: 10% Title Safe: 1536 × 864 px
Test Safe Zones in Browser → Download Transparent PNG Masks →

2. Common Display Ad Dimensions & Delivery Targets

Dimensions below are common IAB units. File weight is not a universal hard limit: the IAB HTML5 reference uses a 200 KB initial-load guideline, while current Google Ads specifications allow a 600 KB HTML5 ZIP with up to 40 files. CM360 accepts display creatives up to 9.5 MB and 100 files. Always follow the booked publisher or DSP media plan.

IAB Format Name Dimensions (W × H) Device / Placement Initial-load target Animation Limit
Medium Rectangle (MPU) 300 × 250 Desktop / Mobile In-Article Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Leaderboard 728 × 90 Desktop Header / Footer Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Half Page / Large Skyscraper 300 × 600 Desktop Sidebar (High Impact) Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Wide Skyscraper 160 × 600 Desktop Sidebar Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Smartphone Mobile Leaderboard 320 × 50 Mobile Sticky Anchor / Top Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Large Mobile Banner 320 × 100 Mobile Header / In-Feed Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Billboard 970 × 250 Desktop Pushdown / Masthead Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Super Leaderboard 970 × 90 Desktop Top Masthead Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Portrait Ad Unit 300 × 1050 Desktop Sticky Tall Sidebar Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Square 250 × 250 Desktop / Tablet Grid Aim ≤200 KB; cap varies 30s / Max 3 GIF loops
Validate HTML5 ZIP Banners → Generate clickTag Snippet →
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Official Reference Documentation Sources

Maintained by AdCheckLab

Data compiled from official publisher guidance and the IAB HTML5 display reference. Platform interfaces and booked placement requirements can differ, so confirm the final media plan before trafficking.