Ad placement basics: where ads earn without hurting the reader

3 November 2026, 3 min read

Many site owners put ads in the first spot they find, then wonder why readers leave or why the ads earn little. Placement is a trade-off between being seen and being polite. This article gives you simple rules to choose spots, protect the reading experience, and test changes safely.

Start with why readers come

Readers visit your page for one reason: the content. An ad is a guest in that space. If the guest blocks the door, people leave. An ad that nobody sees earns nothing for anyone. Good placement keeps both sides in mind: the reader's attention and the advertiser's need to be seen.

Here is a simple test. Open your page on a phone as if you were a new reader. Try to read the first paragraph. If that feels hard, an advertiser's message will struggle too.

Where ads tend to earn

Ads earn when people can actually see them. Advertisers call this viewability, which means the ad stayed on screen long enough to be noticed. A slot at the very bottom of a long page may load, but many readers never scroll that far. A slot placed where the eye naturally rests has a better chance of being seen.

These spots often balance both goals:

Higher spots are often seen more, but they also risk annoying readers. Lower spots are gentler, but fewer people reach them. No single spot is perfect for every site. Your content and your audience decide.

Below the title or the first paragraph: seen early, but leave a clear gap so the headline still leads.
Between paragraphs in a long article: seen while the reader scrolls, if the ads are spaced far apart.
Beside the text on a wide desktop screen: useful, but check that it never covers the words.
After the article ends: it feels natural because the reader has finished, though fewer people arrive there.

Helpful and harmful spots

Usually fine

Between paragraphs, well spaced
After the article ends
Beside text on wide screens
Below the first paragraph

Usually harmful

Pop-ups over the text
Ads next to buttons or links
Slots with no reserved space
Many ads on one screen

Where ads hurt the reader

Some habits cost you trust. Pop-ups that cover the text make people leave. Ads placed right next to buttons or links cause accidental taps. Too many ads on one screen make a page tiring. Accidental taps may look like interest in a report, but advertisers can notice low-quality traffic over time, and readers may not come back.

Another common problem is layout shift. It happens when an ad loads late and pushes the text down while someone is reading. The reader loses their place and may tap the wrong thing. The Web Vitals guidance measures this as Cumulative Layout Shift (CLS). The usual fix is to reserve space: give each ad slot a fixed height before the ad arrives, so the page does not jump.

Phones and apps need extra care

Many readers use phones, with small screens and thumbs. A banner that looks fine on a laptop can fill a large part of a phone screen. Leave several lines of text between ads. Be careful with sticky ads, which stay fixed on the screen, because they can cover the reading area for a long time.

In apps, think in moments. Show ads at natural pauses, such as between levels, after finishing an article, or when moving to a new screen. Do not interrupt a task like typing, paying or watching a video halfway. A full-screen ad needs a clear close button and should not appear by surprise right after a tap.

Change one thing and watch

Treat placement as a test, not a final answer. Change one thing at a time. For example, imagine you add a single ad between the third and fourth paragraphs of your longest articles. Wait long enough to see both busy days and quiet days, then compare.

Look at both sides of the picture:

If income rises but readers leave sooner, you may be trading a long-term loss for a short-term gain. Results differ from site to site, so nothing here promises an outcome. Also keep ads clearly separate from your content so readers can tell them apart. For rules about labeling and user data, check the policies of your ad partners and your local law, or ask a qualified adviser.

Ad income per 1,000 page views, often called RPM (revenue per mille).
Reader signals: time on page, pages read per visit, and how many people leave at once.
Page speed and layout shift.
Comments or complaints from readers.

Terms used in this article

Ad slot: An ad slot is a space on a page or screen where an ad can appear.
Viewability: Viewability describes whether an ad was on screen long enough for a person to have a chance to see it.
Layout shift: Layout shift is when page content moves unexpectedly, often because an ad or image loads late.
Cumulative Layout Shift (CLS): CLS is a Web Vitals measure of how much a page moves around while it loads and is read.
RPM: RPM means revenue per mille, which is the income earned for every 1,000 page views.
Sticky ad: A sticky ad stays fixed in one place on the screen while the reader scrolls.

Wrap-up

This week, open your best-read page on your phone and note every spot where an ad blocks, jumps or crowds the text. Fix the worst one first. Then change one thing at a time and compare income with reader signals.