Quick answer: The best WordPress popup plugin is one that gives you control over when, where and to whom popups appear. OptinMonster is the most capable paid option, with exit intent, page-level targeting and A/B testing. Bloom suits Elegant Themes members who want attractive opt-in forms. Ninja Popups is an affordable one-off purchase, and SumoMe offers a free starting point with list building tools. Whichever you pick, show popups only after visitors have engaged, offer something genuinely useful, make them easy to close, limit how often they appear and be especially careful on mobile.
Popups divide opinion. Many people say they hate them, yet many sites find they collect far more email addresses than a sidebar form ever did. Both things are true. A badly timed popup that covers the page the moment someone arrives is irritating. A well-timed, relevant offer that appears when a reader is finishing an article, and closes easily, is often welcomed. The plugin you choose matters, but how you use it matters more.
What makes a popup respectful
Before comparing plugins, it helps to be clear on what a good popup looks like:
- It waits. It appears after the visitor has read some of the page, spent some time on the site or is about to leave, not instantly on arrival.
- It is relevant. The offer relates to what the visitor is reading.
- It offers value. A useful guide, checklist, discount or update, not just “Join our newsletter”.
- It is easy to close. A visible close button, closing when clicking outside, and the Escape key working.
- It remembers. Once closed or completed, it does not appear again for a reasonable period.
- It works on mobile. It fits the screen and does not block the content entirely.
Plugins that make these things easy are the ones worth paying for.
Features to look for
Triggers
- Exit intent: detects when the mouse moves towards closing the tab or leaving the page, and shows the popup at that moment. It works on desktop, where there is a mouse to track.
- Scroll depth: shows the popup after the visitor has scrolled a set percentage of the page.
- Time delay: shows after a number of seconds. Longer delays usually feel less intrusive.
- Page views: shows after the visitor has viewed several pages.
- On click: opens a popup only when someone clicks a button or link. This is the least intrusive option of all.
Targeting
- Show different popups on different pages or categories.
- Hide popups from existing subscribers or logged-in customers.
- Show or hide based on referral source, such as visitors from a specific campaign.
- Control how often a visitor sees the popup.
Form types
Beyond the centred lightbox popup, look for floating bars at the top or bottom of the screen, slide-ins in a corner, inline forms within posts and full-screen welcome mats. Gentler formats such as slide-ins and bars often work well with less annoyance.
Integrations and testing
The plugin should connect to your email service, such as MailChimp, AWeber, Campaign Monitor or your CRM. Built-in A/B testing and conversion statistics let you see what works.
The main WordPress popup plugins
OptinMonster
OptinMonster started as a WordPress plugin and is now a hosted service with a WordPress connector plugin. It is the most fully featured of the group.
- Strengths: exit intent technology, page-level targeting, many form types, A/B testing, analytics, integrations with all the major email services and good templates.
- Weaknesses: subscription pricing, with the most useful features on the higher plans.
- Best for: businesses serious about list building who want detailed control and testing.
Bloom
Bloom is made by Elegant Themes and included in their membership.
- Strengths: attractive designs, popups, fly-ins, inline forms and below-content forms, triggers based on time, scroll, comments and purchases, A/B testing, and integrations with popular email services.
- Weaknesses: fewer advanced targeting options than OptinMonster.
- Best for: sites already using Elegant Themes, or anyone wanting good-looking forms at a modest cost.
Ninja Popups
Ninja Popups is sold as a one-off purchase through CodeCanyon.
- Strengths: low cost, many templates, exit intent, scroll and time triggers, and a wide range of email integrations.
- Weaknesses: the interface is busier and support depends on a single developer.
- Best for: smaller budgets that still want a wide feature set.
SumoMe
SumoMe is a suite of free and paid tools, including List Builder (popups), Scroll Box (slide-ins), Smart Bar and Welcome Mat, installed through a WordPress plugin.
- Strengths: free to start, quick to set up, several form types and other tools such as share buttons and heatmaps.
- Weaknesses: the free version shows SumoMe branding, and advanced targeting needs a paid plan. It also loads external scripts, which can affect page speed.
- Best for: trying popups for the first time without spending money.
Setting up popups the respectful way
Choose an offer worth giving an email for
“Subscribe to our newsletter” rarely excites anyone. Offer something specific and useful that matches the content: a checklist, a template, a short guide, a discount for first-time buyers. A content upgrade, an extra resource tied to a particular article, often performs best.
Get the timing right
Start with exit intent on desktop, or a scroll trigger at around half to two thirds of the page. Avoid popups that appear immediately on arrival, which interrupt people before they know whether your content is worth their time.
Limit frequency
Once someone closes a popup, do not show it again for at least a week or two. Never show it to people who have already subscribed. Most plugins handle this with cookies.
Make closing easy
A clear close button, closing by clicking outside the popup, and an honest “No thanks” link. Avoid guilt-trip wording like “No, I do not want to grow my business”. It may work in the short term, but it makes your brand feel pushy.
Be careful on mobile
Popups that cover the whole screen on phones are frustrating and hard to close. On mobile:
- Use smaller formats such as bars or slide-ins at the bottom of the screen.
- Make sure close buttons are large enough to tap.
- Consider turning popups off on mobile altogether and using inline forms instead.
Google has already warned against interstitials that hide content for mobile visitors arriving from search, specifically large app install prompts, and our article on the mobile-friendly update explains how mobile usability affects search. A light touch on mobile is the safest approach.
Watch page speed
Every popup tool adds scripts. Measure your page speed before and after installing one, and avoid stacking several list building tools on the same site.
Measuring success
Track:
- Conversion rate of each popup (sign-ups divided by views).
- Bounce rate and time on page before and after adding popups.
- The quality of subscribers: do they open your emails and become customers?
If sign-ups rise but engagement falls across the site, your popups may be too aggressive. Test different triggers, offers and formats. Our guide to A/B testing explains how to run fair tests.
What happens after the sign-up
Collecting emails is only the start. Send new subscribers a welcome email with what you promised, then follow up with useful messages. Our article on drip campaigns explains how to set up a short automated sequence.
FAQ
Do popups hurt SEO?
Popups that appear after engagement and are easy to close are generally fine. Be cautious with large popups on mobile that block content for visitors from search.
What is a good popup conversion rate?
It varies widely by site, audience and offer. Compare your own popups against each other rather than against general benchmarks.
Can I use a popup for something other than email sign-ups?
Yes: announcing offers, promoting a consultation, or pointing to a related guide. The same rules about timing and relevance apply.
Grow your list without losing goodwill
Popups work best when they feel like a helpful offer rather than an interruption. If you want help planning lead capture that suits your visitors and your WordPress site, see how we help businesses turn visitors into customers.
