[Home](./index.md) > [puppeteer](./puppeteer.md) > [Page](./puppeteer.page.md) > [setExtraHTTPHeaders](./puppeteer.page.setextrahttpheaders.md) ## Page.setExtraHTTPHeaders() method The extra HTTP headers will be sent with every request the page initiates. NOTE: All HTTP header names are lowercased. (HTTP headers are case-insensitive, so this shouldn’t impact your server code.) NOTE: page.setExtraHTTPHeaders does not guarantee the order of headers in the outgoing requests. Signature: ```typescript setExtraHTTPHeaders(headers: Record): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | headers | Record<string, string> | An object containing additional HTTP headers to be sent with every request. All header values must be strings. | Returns: Promise<void>