# Web - HTML metadata image size with open graph…etc

HTML use some meta tag for SEO, social media or App link…

List some limit with image size or logo size

## Facebook open graph

Refers - Images in Link Shares

• The minimum allowed image dimension is 200 x 200 pixels.
• The size of the image file must not exceed 8 MB.
• Use images that are at least 1200 x 630 pixels for the best display on high resolution devices. At the minimum, you should use images that are 600 x 315 pixels to display link page posts with larger images.

## Twitter card

A URL to a unique image representing the content of the page. You should not use a generic image such as your website logo, author photo, or other image that spans multiple pages. Images for this Card support an aspect ratio of 1:1 with minimum dimensions of 144x144 or maximum of 4096x4096 pixels. Images must be less than 5MB in size. The image will be cropped to a square on all platforms. JPG, PNG, WEBP and GIF formats are supported. Only the first frame of an animated GIF will be used. SVG is not supported.

Refers - Optimize Tweets with Cards

## Pinterest

No limit

Refers - Rich Pins

## Logo

• The image must be 112x112px, at minimum.
• The image URL must be crawlable and indexable.
• The image must be in .jpg, .png, or. gif format.

Refers - Logo  |  Search  |  Google Developers

## Summary

Use 600x350 or 1200x630 PNG or JPG

If use for other type

Can reference Google developer Structured data

## Refers

The Open Graph protocol

Some tip: The Facebook Crawler