Creating an eye-catching website banner is tough if you don’t know which size will work best. This article covers the most common website banner sizes, helping you understand how to make your banners stand out and drive engagement. 

After reading this article, you’ll be ready to choose the perfect size for your website banner to effectively boost your website’s impact.

What is a website banner? 

A website banner is a big image or graphic at the top of a webpage, usually promoting something or giving important information. In other words, the website banner can be understood as the squares or spaces with the slogan, logo, symbols, and messages placed on the eye-catching positions of a website.

In my experience, a good banner can grab your attention immediately, like when you visit an online store with a sale banner that pulls you in. It’s the first impression your site gives visitors, and it sets the tone for what they can expect.

Why does the Website Banner Size matter?

The size of a website banner is critical because:

• Impacts Visibility & Attention: The right banner size ensures your ad or message is seen by visitors without being overlooked. A well-placed, appropriately sized banner grabs attention instantly.
• Enhances User Experience: A properly sized banner fits seamlessly into the website layout without disrupting navigation or readability, keeping users engaged rather than annoyed.
• Optimizes Performance & Loading Speed: Oversized banners can slow down a website, negatively affecting SEO and user retention. Choosing the right size ensures fast loading times without sacrificing quality.
• Improves Click-Through Rates (CTR): Banners that are too small may not be noticeable, while overly large ones can feel intrusive. The right size balances visibility and usability, encouraging users to take action.
• Ensures Mobile & Cross-Device Compatibility: With a growing number of mobile users, selecting responsive banner sizes ensures a consistent experience across desktops, tablets, and smartphones.

5 most Common & Effective Website Banner Sizes in Pixels

I’ve noticed that figuring out the right website banner size in pixels can be tricky since there are so many options out there. Below, I’m going to break down some of the most popular sizes so you know exactly what works best.

Dimension	Name	Global Frequency	Maximum size
728 x 90 pixels	Leaderboard	High	150kb
336 x 280 pixels	Large Rectangle	Medium	150kb
320 x 100 pixels	Large Mobile Banner	High	150kb
300 x 600 pixels	Half Page Banner	Medium	150kb
300 x 250 pixels	Medium Banner	High	150kb

In my experience, picking the right banner size can make a huge difference in getting more clicks and better engagement. There are a few web banner sizes that consistently perform well, and I’m going to share the 5 most typical website banner sizes with you below:

1. Leaderboard (728 x 90 pixels) 

This is a broad, horizontal banner usually found at the top of a website. It’s one of the first things visitors see, so it’s great for making a solid first impression.

Where to place

• Typically placed at the top or bottom of web design pages, stretching across the entire width.

Best suit

• Best for desktop screens due to its wide format.

Benefits

• High Visibility: Grabs attention as soon as the page loads.
• Brand Awareness: Perfect for showcasing your brand or key messages.
• Standard Size: Widely accepted across many advertising platforms.

2. Large Rectangle (336 x 280 pixels) 

This sizable rectangular banner offers plenty of space for your content. It’s more significant than the medium rectangle, giving you more room for creativity.

Where to place

• Often embedded within content or at the end of articles.

Best suit

• Works well on desktops and tablets.

Benefits

• Versatile Placement: Fits nicely within content without being too intrusive.
• Better Engagement: Larger size can lead to higher click-through rates.
• Flexible Design: Accommodates both image and text ads effectively. 

3. Large Mobile Banner (320 x 100 pixels) 

This size for a website banner is designed specifically for mobile devices and is wider than the standard mobile ad. It provides a good balance between size and screen space.

Where to place

• Placed at the top or bottom of mobile web pages.

Best suit

• Ideal for smartphones and small tablets.

Benefits

• Optimized for Mobile: Ensures your ad looks good on smaller screens.
• Non-Intrusive: Doesn’t overwhelm the user experience on mobile.
• Higher Visibility: A more significant size increases the chance of catching the user’s eye.

4. Half Page Banner (300 x 600 pixels) 

This is a tall, vertical banner that offers a lot of space. It’s almost like having half a page to yourself, hence the name.

Where to place

• Usually found on the sidebars of websites.

Best suit

• Best viewed on desktops and larger tablets.

Benefits

• High Impact: The large size makes it hard to miss.
• Detailed Messaging: Plenty of room for more complex graphics or information.
• Better Engagement: This can lead to higher interaction rates due to its prominence.

5. Medium Banner (300 x 250 pixels)

This is one of the most common banner sizes for websites out there. It’s compact but still offers enough space to get your message across.

Where to place

• Can be placed almost anywhere—within content, sidebars, or at the end of articles.

Best suit

• Works across desktops, tablets, and even mobile devices.

Benefits

• Highly Versatile: Fits into various spots without disrupting the layout.
• Wide Availability: Most websites support this size, making it easy to distribute.
• Consistent Performance: Known for reasonable click-through rates across different platforms.

10+ other Website Banner Sizes in Pixels

I know it can be a bit confusing trying to figure out which banner size web works best for your website. Besides the 5 most common website banner sizes above, I’ll also introduce some other website banner pixel sizes in pixels that you might want to consider, depending on your needs.

10+ website banner sizes for desktop

Dimension	Name	Global Frequency	Maximum Size
160 x 600 pixels	Wide Skyscraper	Medium	150 KB
970 x 250 pixels	Billboard	Medium	150 KB
468 x 60 pixels	Banner	Low	150 KB
234 x 60 pixels	Half Banner	Low	150 KB
120 x 600 pixels	Skyscraper	Low	150 KB
120 x 240 pixels	Vertical Banner	Low	150 KB
300 x 1050 pixels	Portrait	Low	150 KB
970 x 90 pixels	Large Leaderboard	Medium	150 KB
250 x 250 pixels	Square	Low	150 KB
200 x 200 pixels	Small Square	Low	150 KB
180 x 150 pixels	Small Rectangle	Low	150 KB
125 x 125 pixels	Button	Low	150 KB

1. Wide Skyscraper (160 x 600 pixels): This is perfect for placing along the sidebar of a webpage, and I’ve noticed it works really well for vertical content since it grabs attention while scrolling.
2. Billboard (970 x 250 pixels): Billboards are great for placing at the top of a page for maximum visibility, especially for big promotions; they’re eye-catching, but you need a lot of space to use them.
3. Banner (468 x 60 pixels): This one is pretty classic, but it’s a bit less common nowadays since it’s smaller and can be easily overlooked unless the content is engaging.
4. Half Banner (234 x 60 pixels): These are like a mini version of the banner; they’re best used in places where space is tight, but they may need to be more effective in catching attention.
5. Skyscraper (120 x 600 pixels): Similar to the wide skyscraper, this is a vertical ad that fits along the side of webpages, though it’s a bit narrower, which means it’s better when there’s limited sidebar space.
6. Vertical Banner (120 × 240 pixels): This size is suitable for areas with limited space, but from my experience, it’s not used that much compared to other taller options.
7. Portrait (300 × 1050 pixels): Portrait banners are super tall and work well to showcase detailed offers or multiple products, but they need enough room to make sense on the page.
8. Large Leaderboard (970 × 90 pixels): This is often used at the top or bottom of a page, and it’s wider, making it ideal for grabbing attention immediately.
9. Square (250 × 250 pixels): I’ve seen this size used a lot for flexible placements, especially in content-heavy pages where it doesn’t take up too much room but still stands out.
10. Small Square (200 × 200 pixels): The small square is effective for compact ad spaces, like sidebars or even in-between content, but it may not get as much visibility as larger sizes.
11. Small Rectangle (180 × 150 pixels): These are pretty versatile and can be tucked into small spaces, but they work best with very focused messages because of their limited space.
12. Button (125 × 125 pixels): These tiny ads are mainly used in affiliate marketing or in particular parts of a page, though their size can limit their impact.

4 website banner sizes for mobile

Meanwhile, mobile advertising has seen huge growth in recent years. The banners have also been resized to fit the advertising needs on the phone. Here are the different web banner sizes that are suitable for mobile devices:

Dimension	Name	Global Frequency	Maximum Size
320 × 50 pixels	Mobile Leaderboard	High	150 KB
320 × 320 pixels	Mobile Full Page	Medium	150 KB
250 × 250 pixels	Square	Medium	150 KB
200 × 200 pixels	Small Square	Low	150 KB

• Mobile Leaderboard (320 × 50 pixels): This is one of the most popular mobile ad sizes, often placed at the top or bottom of a mobile webpage, and it’s perfect for keeping the user experience seamless.
• Mobile Full Page (320 × 320 pixels): It’s pretty attention-grabbing on mobile devices since it takes up a good chunk of the screen, and I think it’s best used for promotions that require complete user focus.
• Square (250 × 250 pixels): This size is adequate across both desktop and mobile; I like it for flexible placements, as it works without taking over the entire screen.
• Small Square (200 × 200 pixels): Again, it’s suitable for smaller placements, but it might not grab as much attention as some of the more extensive options, especially on mobile, where size matters more.

5 Main Factors to Consider When Choosing Website Banner Sizes

When choosing website banner sizes, here are five key factors to consider:

1. Placement & Visibility

• The location of your banner on a webpage determines how much attention it grabs. Above-the-fold banners (visible without scrolling) tend to perform better for branding and conversions.
• Example: A 728×90 pixels leaderboard banner placed at the top of a webpage ensures maximum visibility as users land on the site.

2. Purpose & Goal

• Different banner sizes work best for different objectives, such as brand awareness, promotions, or call-to-action (CTA) buttons.
• Example: A 300×600 pixels half-page ad is effective for storytelling or showcasing multiple products in a visually rich format.

3. Device Compatibility

• Ensuring your banner displays correctly on desktop, tablet, and mobile devices is crucial for user experience and conversions.
• Example: A 320×50 pixels mobile leaderboard is ideal for mobile users as it fits well within a smartphone screen without disrupting the layout.

4. User Experience & Engagement

• A banner should be non-intrusive and enhance the browsing experience rather than annoy visitors.
• Example: A 160×600 pixels skyscraper banner on the sidebar of a blog allows users to view content without interference while still promoting the ad.

5. Loading Speed & Performance

• Large banners with high-resolution images can slow down a website, affecting SEO and user retention.
• Example: Using a 250×250 pixels square ad with compressed images ensures a balance between visual quality and page speed.

By considering these factors, you can select the right banner size to optimize visibility, engagement, and conversions.

10 Tips for Designing Effective Web Banners

From what I’ve seen, designing the standard website banner sizes can be a bit tricky if you don’t know what works best to grab attention. So, I’m going to share my take on the 10 effective tips that can really help make your banners stand out and get more clicks.

1. Keep It Simple: Don’t try to cram too much into a small space. A clear, simple design with enough breathing room makes it easy for viewers to get your message at a glance.
2. Use High-Quality Images: Always go for crisp, high-quality images. Blurry images make banners look unprofessional, and that’s a quick way to lose trust.
3. Create a Strong Call to Action (CTA): You need a CTA that stands out, like “Shop Now” or “Learn More.” Make sure it’s clear and easy to find, but also use action words that encourage people to click.
4. Maintain Brand Consistency: Keep your logo, colors, and fonts consistent with your brand so that viewers instantly recognize it’s you. This helps in building trust and recognition.
5. Limit Fonts and Colors: Use just one or two fonts to avoid clutter. When it comes to colors, a few contrasting ones can help your banner pop, but too many can make it messy.
6. Make It Visually Hierarchical: Place important elements like headlines, logos, and CTAs where people are most likely to see them. Big, bold headlines first, then supporting text—it’s all about guiding the eyes.
7. Optimize File Sizes for Quick Loading: A slow-loading banner can hurt the user experience. Compress images and use optimized scripts to make sure everything loads fast, even on mobile.
8. Design for Mobile First: People are always on their phones, so make sure your banner looks good on smaller screens. Keep it readable and clickable, no matter what device they’re using.
9. Test Different Versions (A/B Testing): Run different versions of your banner to see what performs best. Sometimes changing a color or a single word can make a huge difference in how people react.
10. Use Animation Carefully: Subtle animation can grab attention but don’t overdo it. If it’s too flashy or distracting, it can annoy viewers rather than engage them.

Conclusion

The size of banner websites is very important in attracting impressions for ads. Since then, it has made customers more interested in the company’s products. Currently, there are always common sizes that are used a lot and bring high profits. However, you should also know how to use it in combination with other web banner sizes to create effective advertising according to the company’s goals and strategies.

Hopefully, with the above reviews, you have understood fully about Website banner size and have options suitable for the company’s advertising campaigns.

FAQs

What is the best size for website banners?

The best size for website banners is often 728×90 pixels (Leaderboard) or 300×250 pixels (Medium Rectangle). These sizes work well for most screen layouts and get high engagement.

What size is a web banner in 2025?

In 2025, common web banner sizes are 728×90 pixels, 300×600 pixels, and 320×50 pixels for mobile. These sizes are widely used because they fit well across devices.

What size should a website header be in 2025?

A typical website header in 2025 is around 1024×300 pixels. This size allows enough space for logos, navigation, and other key visuals.

What size is a 300×600 banner?

A 300×600 banner is called a Half Page Banner. It is tall and narrow, making it effective for grabbing attention in sidebars.

Related posts:

Email Marketing Banner: Best Practices and Inspiring Examples

The 10 Best Business Website Templates to Elevate Your Brand

Best Banner Size for BigCommerce