Insights

Ad operations guides

Running ads day to day: banner sizes, plain-HTML embeds, creative approval checklists, advertising policies, ad metrics and keeping Core Web Vitals healthy.

Ad operations

6 articles
Ad operations

Banner Ad Sizes Guide (2026): The IAB Sizes That Sell on Small and Medium Sites

Banner ad sizes guide: the IAB standard sizes that sell on small and medium sites, desktop vs mobile picks, file weight limits and @2x retina images.

7 min read
Ad operations

How to Write a Website Advertising Policy (With a Free Template)

Write a clear website advertising policy: accepted and banned ads, creative specs, labeling, approval times, cancellations, and refunds, with a template.

8 min read
Ad operations

Ad Creative Approval Checklist: What to Check Before You Approve an Ad

A copy-paste ad creative approval checklist for publishers: landing pages, claims, prohibited categories, image quality, disclosure, and polite rejections.

8 min read
Ad operations

How to Run Ads Without Hurting Core Web Vitals

Run banner ads without hurting Core Web Vitals: reserve space to prevent CLS, lazy-load ads below the fold, use WebP or AVIF, and skip third-party scripts.

8 min read
Ad operations

Banner Ad Metrics Explained: Impressions, Clicks, and CTR

What impressions, clicks, and CTR mean for direct-sold banner ads, what skews them, and how to report results and share stats with advertisers.

7 min read
Ad operations

How to Add a Banner Ad to Any Website with Plain HTML

Add a banner ad to any website with plain HTML: a copy-paste snippet, rel=sponsored, alt text, responsive CSS, and where to paste it in WordPress or Wix.

9 min read

Put these guides to work on your own site

Create an ad slot, paste one line of HTML and let advertisers book and pay by card or PayPal — straight to your own account. Free to start, 5% only on completed bookings.