# Ask readers to subscribe after they've read most of a post

> A sign-up box on arrival interrupts people who haven't read a word yet. Show it to readers who scrolled most of the way, when they're convinced.

Use cases · Published 2026-11-05

A newsletter box that appears the moment someone lands asks them to sign up before they've read a word. Readers who scroll most of the way through a post have shown they like what you write, which makes that the moment to ask. A slide-in panel at the side asks politely, and the reader can keep reading.

## Pick the moment

| Signal | Means | Use it for |
| --- | --- | --- |
| **Scroll Depth (%)** greater than 60 | They read most of the page | Asking for a sign-up |
| **Time on Page (sec)** greater than 90 | They're spending real time on it | Long posts that people read slowly |
| **Pages This Session** greater than 2 | They're browsing more than one post | A "get the next one" offer |

**Scroll Depth** and **Time on Page** start at zero on every page and are checked as the visitor reads, so the panel appears the moment they cross the line ([Behavior conditions](https://geoengage.app/docs/rules/conditions#behavior)).

## Pick a format that doesn't block

A **Slide-in Panel** comes in from the side and leaves the post readable. A popup stops the reader until they close it: save it for something worth interrupting for ([Choosing between similar actions](https://geoengage.app/docs/rules/actions#choosing-between-similar-actions)). On phones, the panel is never wider than the screen.

## Build it

1. Create a rule. Under **When visitor matches**, add **Page URL/Path** starts with `/blog/`, and **Scroll Depth (%)** greater than `60`.
2. Choose **Slide-in Panel**. Write a short title, such as *Enjoyed this guide? Get the next one by email.*, and link its button to your sign-up form.
3. Set **Display Frequency** to *Once Every X Days*, so readers aren't asked on every post ([Display frequency](https://geoengage.app/docs/rules/timing#display-frequency)).
4. Switch on **Stop after the main button is clicked**, so someone who went to sign up isn't asked again.
5. Choose **Save & Publish**.

[Try this rule in the GeoEngage rule builder](https://geoengage.app/try), no account needed.

## Don't ask people who already said yes

If your newsletter tool sets a cookie when someone subscribes, a **Cookie Value** condition can leave subscribers out. If your site knows who's subscribed, your code can say so with `setAttributes`, and a **Visitor Attribute** condition does the same more reliably ([Customer data conditions](https://geoengage.app/docs/rules/conditions#customer-data)).

## Check that it helped

Make the sign-up a goal: a **Page visit** goal on your "thanks for subscribing" page, or a **Form submit** goal on the sign-up form ([Goals and conversions](https://geoengage.app/docs/analytics/goals)). Then test the panel with **A/B Testing**, one version against nothing ([A/B tests](https://geoengage.app/docs/rules/ab-tests)). Compare the number of sign-ups, and watch that people still read to the end.

## Common questions

### What about asking at the end of the post?

A sign-up block written into the post's last paragraph is worth having too. The panel adds a second chance for readers who stop just before the end.

### Will it annoy readers?

Less than a popup on arrival. Keep it to engaged readers, show it rarely, and make it easy to close.

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Source: https://geoengage.app/blog/newsletter-signup-after-reading