How to Choose the Right Font Size for Your Content

Stefania Duma
Stefania Duma

VP Product @ Flowpoint

30 June 2023

post cover

How to Choose the Right Font Size for Your Content

When it comes to creating content, selecting the right font size can make a big difference in how your audience perceives and interacts with your message. The font size you choose can impact readability, comprehension, and even the overall aesthetic of your content.

Factors to consider when selecting font size

When selecting a font size, it's important to consider several factors. First, consider the age range of your target audience. Younger users may prefer larger font sizes than older users, as their eyes may not be as accustomed to reading small text. Additionally, consider the type of content you're creating. Shorter pieces of content, like social media posts, may require a larger font size than longer pieces, like articles. This is because social media feeds can be crowded and overwhelming, making it important to stand out. Finally, consider the platform where your content will be displayed. Different platforms may have different default font sizes, so it's important to ensure that your content is easily readable no matter where it's viewed.

Popular font size recommendations for various content types

While selecting a font size for your content may seem like an arbitrary decision, certain sizes are generally considered optimal for various types of content. For example, email newsletters are often sent with a font size of 14-16 pixels to ensure that users can read them on multiple devices. This is especially important as many people check their email on their phones, which may have smaller screens. Social media posts may require a font size of 18-20 pixels to stand out in crowded feeds. This is because social media platforms often have a lot of content competing for attention, so it's important to make your posts as eye-catching as possible. Longer pieces of content, like articles, may be best served with a font size of 16-18 pixels on desktop devices. This font size strikes a balance between readability and aesthetics, making it a popular choice for online publications.

Ultimately, the font size you choose will depend on a variety of factors unique to your content and audience. By taking the time to consider these factors, however, you can ensure that your content is as accessible and engaging as possible.

Font Size and Accessibility

Ensuring readability for users with visual impairments

Accessibility is key when creating content. Making sure that all users can access and read your content is essential. For users with visual impairments, larger font sizes are often necessary for accessibility. In fact, the Web Content Accessibility Guidelines recommend a font size of at least 18 points or 1.5 times the size of the page's normal text for users with low vision.

However, it's important to note that it's not just users with visual impairments who benefit from larger font sizes. In today's fast-paced world, many users are quickly scanning through content on their mobile devices or desktops. A larger font size can make it easier for all users to quickly read and understand your content.

Additionally, it's important to consider the font type when thinking about accessibility. Sans-serif fonts, like Arial and Helvetica, are often easier to read for users with visual impairments compared to serif fonts, like Times New Roman.

Font size and responsive design

Responsive design has become a necessity in today's digital landscape. Making sure that your content is accessible and easy to read on multiple devices is crucial. Choosing an appropriate font size for all devices and platforms is key to ensuring that users can engage with your content wherever they are.

However, it's important to note that simply increasing the font size for smaller devices may not be enough. It's important to also consider the layout of your content and how it will appear on smaller screens. Using responsive design techniques, such as adjusting the layout and spacing, can make your content more accessible and easier to read on all devices.

Another factor to consider is the contrast between the font color and the background color. For users with visual impairments, a high contrast between the two can make it easier to read the text.

Overall, ensuring that your content is accessible and easy to read for all users is essential. By choosing an appropriate font size, type, and layout, you can create a positive user experience and make your content more engaging and accessible for everyone.

Tips for Testing and Adjusting Font Size

A/B testing font size for better engagement

A/B testing is a useful tool for optimizing font size for engagement. By testing two different font sizes, you can determine which size performs better with your audience. It's important to only test one variable at a time, so the results are clear.

Tools and resources for optimizing font size

Multiple tools and resources can help optimize font size for engagement. For example, Google's Font Size tool allows you to adjust the font size of your content to ensure it meets accessibility standards. Additionally, resources like the Web Content Accessibility Guidelines offer guidelines for selecting font sizes that are accessible to all users.


Font size is an essential component of creating engaging content. Selecting the right font size can impact user engagement, accessibility, and overall aesthetics. By understanding the importance of font size, utilizing research-backed recommendations, and testing and optimizing with available resources, you can create content that resonates with your audience and keeps them engaged. Tools like Flowpoint.ai can help you identify which font sizez work best for your particular use case using A/B monitoring techniques.

Related articles

How to Design a High Converting Checkout Flow for eCommerce

Discover the secrets to creating a high-converting checkout flow for your eCommerce website, using proven techniques backed by research and...

Vlad Niculescu
Vlad Niculescu
CEO @ Flowpoint
How to Know if My Website Retention Rate is Good: A Comprehensive Guide

Discover if your website’s retention rate is up to par in this comprehensive guide. Learn tips, tricks, and best practices,...

Vlad Niculescu
Vlad Niculescu
CEO @ Flowpoint
Privacy Matters: What to Look for When Installing a New Analytics Tool

Ensure privacy and data security are taken seriously when choosing a new analytics tool. Discover key features and compliance standards...

Vlad Niculescu
Vlad Niculescu
CEO @ Flowpoint

Subscribe to our newsletter

Analytics is hard. We make it easy.


DocumentationFAQsGDPR Statement


Privacy PolicyData Protection AgreementCookie NoticeTerms of Use

Manage cookies



Company Number 14068900

83-86 Prince Albert Road, London, UK

© 2023. All rights reserved @Flowpoint