How to Optimize a Landing Page for Conversions: UX Checklist

Most landing page audits I see are a mess. People skim the page, eyeball the headline, change the button color, and call it optimization. That's not optimization. That's redecorating.

Real landing page optimization is a systematic UX review. You go section by section, check specific failure points, and fix what's actually broken. This checklist gives you that process. Print it, copy it, paste it into Notion. Then walk through your page with it open.

Before you touch anything: set a baseline

You can't optimize what you don't measure. Before you change a single word:

• Install analytics: GA4 or Plausible at minimum. Set up conversion events for every primary action.
• Install a heatmap tool: Hotjar, Clarity, or any of the tools in this comparison.
• Record at least 50 sessions before deciding anything is broken.
• Note your current conversion rate: visitors to your goal action, dated.

If you skip this, you're going to "fix" things that aren't broken and call random fluctuation a win. Read how to set up conversion tracking if you don't have this dialed in.

Section 1: The hero (above the fold)

This is where 50% of visitors decide to stay or leave. Audit it ruthlessly.

Headline check:

• Does it name the outcome the visitor wants, not your product category?
• Can a stranger understand who it's for in under 5 seconds?
• Is it under 12 words?
• Does it match the message of the ad or link that brought them here?

Subheadline check:

• Does it explain how you deliver the headline's promise?
• Does it add new information, not just rephrase the headline?

Hero visual check:

• Does it show your product doing the thing, not a stock photo?
• Does it load in under 1.5 seconds on mobile?
• Is it cropped tight enough to read on a 375px screen?

Primary CTA check:

• Is the button visible without scrolling?
• Does the label describe the action, not say "Submit" or "Click here"?
• Does it contrast clearly with the background?

If any of these fail, fix them before touching anything below the fold. There's a deeper breakdown in hero section design.

Section 2: Social proof placement

Social proof works when it shows up near friction points. Most pages dump it all in one section and waste it.

• Is there at least one trust signal in the hero (logos, rating, user count)?
• Are testimonials placed near the points where doubt creeps in (pricing, signup form, feature claims)?
• Do testimonials name a specific result, not "great product, would recommend"?
• Do they include a real name, photo, and company or role?
• Are case study numbers attributed to a specific customer, not anonymous?

Anonymous testimonials are worse than no testimonials. They look fake even when they aren't.

Section 3: Feature presentation

Features convert when they're framed as outcomes. Here's the audit:

• Does each feature block lead with the benefit, not the feature name?
• Is there a visual (screenshot, animation, diagram) for each major feature?
• Are feature descriptions under 40 words?
• Do you avoid listing more than 6 features on a single landing page?

Six is a soft cap. If you have 15 features, you're selling a product tour, not converting a visitor. Pick the three that solve the pain you led with.

Section 4: Objection handling

Every prospect has unanswered questions. If you don't answer them on the page, they leave to find answers and never come back.

• Is there a section addressing the top 3 objections (price, time, complexity, risk)?
• Is there a FAQ near the bottom with at least 5 real questions?
• Do you address what happens after signup (onboarding, trial length, billing)?
• If you have a free trial, is the "what happens when it ends" question answered?

Pull objections from your support inbox, sales calls, and cancellation surveys. Don't invent them.

Section 5: Forms and CTAs

Forms are where intent dies. Most signup forms ask for too much, too soon.

• Does your form ask for the minimum fields needed for the next step?
• Is the submit button label specific ("Start my free trial" vs "Submit")?
• Is there a single primary CTA repeated on the page, not five competing ones?
• Does the CTA button repeat after every major section on long pages?
• On mobile, is the form field large enough to tap without zooming (44px+ tap target)?

If you're not sure your CTAs are pulling weight, run them through the CTA writing guide.

Section 6: Mobile experience

More than half of your traffic is on mobile. Open your page on your actual phone, not a browser emulator.

• Does the hero fit without horizontal scroll?
• Is body text at least 16px without zooming?
• Are buttons spaced so you can't accidentally tap the wrong one?
• Does the page load main content in under 2.5 seconds on a 4G connection?
• Do sticky elements (headers, chat widgets) cover less than 15% of the screen?

Mobile failures cost more conversions than any other category. The mobile performance guide goes deeper on speed.

Section 7: Page speed

Speed is conversion. Google's own data shows bounce rates climb sharply past 3 seconds of load time (Think with Google, 2018 mobile speed study).

• Largest Contentful Paint under 2.5 seconds (PageSpeed Insights)?
• Cumulative Layout Shift under 0.1?
• Hero image compressed and served as WebP or AVIF?
• Third-party scripts (chat, analytics, ads) loaded async or deferred?
• Custom fonts limited to two weights max?

If your page is over 2MB total weight, that's where I'd start cutting.

Section 8: Message match

If your visitors come from ads, your page has to echo the ad. Mismatch kills conversion rates faster than ugly design.

• Does your headline use the same core phrase as the ad?
• Does the hero visual match the ad creative?
• If the ad promised a discount, is the discount visible above the fold?
• If the ad targeted a specific use case, does the page open with that use case?

For ad-heavy pages, the Google Ads optimization guide covers quality score impact too.

Section 9: Exit points

People leave. The question is: do they leave with nothing, or with a softer commitment?

• Do you have an exit intent capture for desktop users?
• Is it offering something useful (template, checklist, demo) and not just "10% off"?
• Does it suppress on mobile (where it just blocks the back button)?
• Does it remember dismissals so it doesn't nag returning visitors?

The exit intent guide walks through implementations that don't make people hate you.

Section 10: Post-audit prioritization

You've now found 10 to 20 things wrong with your page. Don't fix them all at once.

Rank issues by:

1. Severity: Does it break the page or just weaken it?
2. Reach: How many visitors hit this section?
3. Effort: A 10-minute headline rewrite beats a 3-week redesign.

Start with high-reach, low-effort, high-severity fixes. That's almost always: hero copy, primary CTA, mobile layout, page speed. Stop there for two weeks. Measure. Then move on.

How to test what you change

Don't ship a redesign and call any conversion bump a win. Test changes one at a time, or use proper A/B testing if you have the traffic. The A/B testing guide covers the math on sample sizes.

For pages under 1,000 visitors a week, A/B tests rarely reach significance. In that case, ship one change, hold for two weeks, compare to baseline, and document what happened. It's not perfect, but it's honest.

Run this checklist quarterly

Landing pages decay. Your audience changes, your competitors change, your offer changes. Pages that converted at 8% last year drift to 4% without anyone noticing. Block 90 minutes every quarter to run this checklist on your top three pages.

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