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Knowledge Hub

Guides, specs & troubleshooting for creative operations
🎬 Safe Zone Checker
Check TikTok, Reels, Shorts & Snapchat UI overlays
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⚡ HTML5 Banner Validator
Check clickTag, file size & IAB specs for Google Ads
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Display Creative QA & Ad Ops

Google Ads HTML5 Ad Validator Guide (2026)

Complete guide to validating HTML5 ads for Google Ads, CM360, & DV360. Fix clickTag, file size & zip errors.

How to Fix Missing clickTag in HTML5 Banners

Step-by-step instructions on declaring clickTag variables correctly for Google Ads, Campaign Manager, and DV360.

Google Ads HTML5 ZIP Specifications (2026)

An absolute checklist of file size, file count limits, approved CDNs, and upload criteria for AdWords.

IAB Display Banner Dimensions & Sizes

Overview of the standard IAB Universal Ad Package formats for mobile and desktop display placements.

ExitApi for DoubleClick CM360 Creatives

Understand when and how to implement ExitApi instead of clickTag variables in premium campaign trafficking.

How to Compress HTML5 ZIPs under 150 KB

Practical tips for image optimization, CSS/JS minification, and clean directory structure compression.

Approved CDNs & JS Libraries in Google Ads

A full list of Google-hosted JavaScript library paths (GSAP, CreateJS, jQuery) allowlisted inside ZIP packages.

Adobe Animate: clickTag Variables Setup

Setting up canvas actions and binding window.clickTag trigger code inside HTML5 Canvas actions in Adobe Animate.

Google Web Designer: clickTag & Tap Area

How to use the native GWD Tap Area component to automatically configure exit and click tracking parameters.

Fixing 'Missing Primary Asset index.html'

Resolve the most common HTML5 banner upload rejection by ensuring folder structure root levels are correct.

GIF Ad Restrictions: Loops & Duration

Review network requirements for loop counts (max 3) and animation run times (max 30s) on programmatic ads.

SSL Compliance: Fixing HTTP Links

Locate and update non-secure http links to prevent display creative rejections on secure HTTPS sites.

Local Storage Restrictions in Display Ads

Learn why Google Ads restricts localStorage/sessionStorage APIs due to user privacy tracking policies.

HTML5 Banner Preview is Blank: Fixes

Solve iframe rendering issues caused by external sandboxed calls, absolute paths, or library CDNs.

Google Display Ad Sizes & Specs (2026 US Cheat Sheet)

Top-performing Google Display Network banner sizes in the US: 300x250, 728x90, 300x600 specs.

Campaign Manager 360 HTML5 Upload Troubleshooting

Fix CM360 HTML5 creative upload errors, missing index.html, clickTag issues, and ZIP structure bugs.

DV360 Creative Rejection Reasons & Fixes

Resolve Display & Video 360 creative audit errors, non-SSL calls, and high file request limits.

IAB Mobile Interstitial Ad Sizes & Specs (US Standards)

Guide to mobile interstitial display formats: 320x480, 480x320, 1024x768 full screen display ads.

How to Reduce HTML5 Banner File Size Below 150 KB

Step-by-step techniques to shrink HTML5 ad ZIP files under the 150 KB Google Ads / CM360 limit.

Programmatic Display Ad Specs (DV360, TTD, Xandr)

Technical guidelines across major DSPs for file size, polite load, SSL, and clickTag implementation.

HTML5 Banner QC Checklist for Ad Ops & Agencies

The definitive 12-point Quality Assurance checklist to prevent campaign delays and ad server rejections.

Google Ads vs CM360 HTML5 Creative Specs

A comparative guide breaking down strict AdWords constraints against CM360 enterprise flexibility.

Social Media Video Safe Zones

TikTok Safe Area Overlay Guide (2026)

Pixel margins & text placement safety for TikTok Organic FYP and In-Feed Ads. Export PNG masks for NLEs.

Meta Advantage+ Placement Safe Zones & UI Overlays

Guide to Meta Advantage+ creative safe zones on Facebook & Instagram feeds, Stories, and Reels.

YouTube Shorts Monetization & Safe Area Dimensions

Master YouTube Shorts safe area overlay dimensions, product tag pills, and title text safety margins.

Snapchat Ads vs TikTok Ads Safe Zone Comparison

Side-by-side comparison of Snapchat Ads vs TikTok Ads vertical video safe zones and swipe-up pills.

LinkedIn Video Ad Safe Zones & UI Margins (2026)

Master LinkedIn video ad specs for 1:1, 4:5, 16:9, and 9:16 vertical formats with safe zone overlays.

Pinterest Pin Safe Zone Dimensions & Overlay Specs

Guide to 2:3 Standard Pins, 9:16 Idea Pins, and Pinterest Video Ads safe zone overlays.

Instagram Story Safe Zone Dimensions & Margins

Exact pixel dimensions and safe zone overlays for 1080x1920 Instagram Story creative assets.

TikTok Spark Ads vs Organic Safe Zone Differences

Compare TikTok Spark Ads UI overlays vs organic post safe zones to avoid CTA button cropping.

TikTok Safe Zone Dimensions & UI Overlay Guide

Keep text and graphics safe from overlays (likes, description, profile) on 1080x1920 vertical video.

Instagram Reels Safe Zone Template & UI Margins

How to position call-to-actions, text, and titles inside vertical feed safe zones on Instagram.

YouTube Shorts Safe Area Dimensions (2026)

Understand where YouTube places navigation elements, captions, and subscription widgets in vertical viewports.

Social Media Video Aspect Ratios (9:16, 16:9, 1:1)

A cheat sheet of aspect ratios, dimensions, and resolution targets across modern channels.

Snapchat Video Safe Zone Overlay Specs

Safe title guidelines for Snap Ads, vertical storytelling, and commercial video formats.

Meta Feed Image & Video Safe Zones

Ensure text in 4:5 and 1:1 format feed ads remains legible and isn't truncated by native platform text overlays.