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AG Websites: Best Practice for Images

Make your website look sharp and load fast with the right assets

Updated over a week ago

These quick tips for images, logos, and files will help you keep everything clean, consistent, and ready to impress visitors.

Images

Quality visuals are essential for a stunning site, but oversized images can slow down your site and make navigating your site tedious for visitors.

Images on our design templates average around 400-500 KB, per image.

Following are some guidelines for image size and resolution:

File Size

Dimensions

Hero Images

Feature images on the home page or top of other pages

1 mb maximum for high-quality visuals

1920 × 1080 px or wider to fill large screens cleanly

Standard Images

Mid-page visuals that appear with other content

300–500 kb for fast loading

1200 × 800 px

Avoid oversized uploads, as they will slow down your site (e.g., 5000 px-wide image when it displays at 800 px).

For photographs of artworks or art spaces, .jpg or .jpeg are best. They have a smaller file size, good for gradients and photos).


Logo

File Size

  • Keep your logo under 150 KB so it loads quickly without losing visual quality.

Dimensions

  • Aim for a width between 200-400 pixels for most website headers so the logo stays clear without dominating the layout.

  • Maintain a consistent aspect ratio so the logo doesn't stretch or warp across different devices or layouts.

File Format

For logos or graphics with transparency use a .png (supports transparent backgrounds).

  • Export the logo in .svg format when possible, since it stays sharp at any size and usually has a much smaller file size than .png or .jpg.

  • If SVG isn’t an option, use PNG for transparent backgrounds and higher quality, and JPG only if you need a smaller file and don’t require transparency.


Favicon

File Size

  • Keep your favicon tiny; aim for 5 KB or less so it loads instantly in the browser.

Dimensions

  • Use 32x32 pixels or 48x48 pixels for the main favicon so it looks clean in most browsers.

File Format

  • Use .ICO for the main favicon since it is supported by all browsers.

  • If a .ICO format is unavailable, a .png version will suffice.

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