Conversion Rate

The percentage of website visitors or users who complete a defined goal action, such as making a purchase, submitting a form, or signing up for a service.

What is Conversion Rate?

Conversion rate is the percentage of website visitors who complete a goal action. That goal might be a purchase, a form submission, a sign-up, or a document download. You calculate it by dividing conversions by total visitors and multiplying by 100. It is one of the most important measures of whether a website is doing its job.^[1]

How is Conversion Rate Calculated?

The formula is straightforward:

Conversion Rate = (Number of Conversions / Number of Visitors) x 100

A "conversion" is whatever action your organization defines as a goal. A single site can track several conversions at once.

Macro-conversions are the big goals. For an e-commerce site, that is a completed purchase. For a SaaS product, it might be a trial sign-up. For a government service, it could be a completed application form. These tie directly to revenue or mission outcomes.

Micro-conversions are smaller steps along the way. Adding an item to a cart. Viewing a pricing page. Watching a demo video. Tracking these helps you find exactly where people drop off before reaching the main goal.

What is a Good Conversion Rate?

Benchmarks vary by industry and context. E-commerce sites typically convert 1% to 4% of visitors.^[2] B2B lead generation forms convert 2% to 5%. Landing pages with high-intent traffic can exceed 10%.^[3]

But comparing yourself to others has limits. A banking site and a retail store serve different audiences with different goals. The most useful approach is to track your own rate over time and improve it through testing.

How Do You Improve Conversion Rate?

Conversion Rate Optimization (CRO) is the process of increasing the percentage of visitors who convert. It uses data and testing to find and fix problems.

A/B testing shows two versions of a page element to different visitors at the same time. You might test two headlines, two button colors, or two form layouts. The version that produces more conversions wins. Statistical testing confirms the result is real, not random.^[4]

User feedback reveals why people leave. Reaction buttons and exit surveys capture what visitors think. Session recordings show what they do. A page with a low conversion rate and confusing analytics often reveals its problem through direct feedback: an unclear offer, a confusing form field, or a missing trust signal.

Heatmap analysis shows where users click and how far they scroll. If most visitors never reach your call-to-action button, it is placed too low on the page. If people click on something that is not a link, the design is misleading.

Page speed optimization has a direct impact. A Deloitte and Google study found that improving mobile load time by just 0.1 seconds increased conversion rates by 8% for retail and 10% for travel sites.^[5] IT teams should focus on Core Web Vitals, especially Largest Contentful Paint (LCP) and Interaction to Next Paint (INP).

How Does Accessibility Affect Conversion Rate?

Accessibility barriers prevent people from converting. A form that cannot be used with a keyboard stops keyboard-only users. A CAPTCHA without an audio option blocks screen reader users. A modal dialog that traps focus makes it impossible for some visitors to complete their task.

The Click-Away Pound Survey found that 71% of users with access needs leave websites they find difficult to use. In the UK alone, this represented an estimated 11.75 billion pounds in lost e-commerce revenue at the time of the study.

This makes accessible design both a legal requirement and a business decision. The European Accessibility Act and similar laws mean that excluding users with disabilities creates compliance risk. Legal teams should consider conversion barriers as potential accessibility violations.^[1]

How Does Conversion Rate Connect to Other Metrics?

Conversion rate tells you more when you look at it alongside other data.

Bounce rate — A high bounce rate on a landing page shrinks the pool of visitors who could convert. Pages with both high bounce rates and low conversions deserve attention first.
Session depth — Users who visit more pages and spend more time tend to convert at higher rates. This reflects stronger engagement and intent.
Traffic source — Paid search visitors with high purchase intent convert more often than display ad visitors. Channel mix matters when you interpret site-wide conversion averages.

Content teams, IT teams, and legal teams each see conversion rate from a different angle. But they share a common goal: removing barriers that stop visitors from completing the actions that matter.

How Askem Helps

Improving conversion rate typically requires combining multiple data sources. Quality assurance tools monitor for broken links and WCAG accessibility issues — both of which create direct barriers to conversion. Privacy-friendly analytics platforms track user flows and session behavior without relying on consent banners. Feedback tools let visitors tell you exactly where they got stuck. Platforms like Askem combine all three layers, so large regulated sites can diagnose conversion problems faster without stitching together separate tools.

Sources

Google Analytics Help — About conversions: https://support.google.com/analytics/answer/12966437
Statista — Average e-commerce conversion rate worldwide 2023: https://www.statista.com/statistics/439576/online-shopper-conversion-rate-worldwide/
WordStream — Landing Page Conversion Rate Benchmarks: https://www.wordstream.com/blog/ws/2014/03/19/landing-page-benchmarks
Kohavi, R., Tang, D., & Xu, Y. — Trustworthy Online Controlled Experiments: A Practical Guide to A/B Testing. Cambridge University Press, 2020.
Deloitte & Google — Milliseconds Make Millions: https://www2.deloitte.com/ie/en/pages/consulting/articles/milliseconds-make-millions.html