[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [FrameResource](./puppeteer.protocol.page.frameresource.md) > [contentSize](./puppeteer.protocol.page.frameresource.contentsize.md) ## Protocol.Page.FrameResource.contentSize property Resource content size. Signature: ```typescript contentSize?: number; ```