--- title: newrelic_get_browser_timing_header (PHP agent API) source: https://docs.newrelic.com/docs/apm/agents/php-agent/php-agent-api/newrelic_get_browser_timing_header --- ## Syntax ```php newrelic_get_browser_timing_header([bool $include_tags]) ``` Returns a browser monitoring snippet to inject in the head of your HTML output. ## Description Returns a JavaScript string to inject in the `` of your HTML output. Use this call with [`newrelic_get_browser_timing_footer`](https://docs.newrelic.com/docs/agents/php-agent/php-agent-api/newrelic_get_browser_timing_footer) to manually add browser monitoring to a webpage. If possible, New Relic recommends instead enabling browser monitoring via the New Relic UI or copy/pasting the JavaScript snippet. For instructions on using these options, see [browser monitoring and PHP](https://docs.newrelic.com/docs/agents/php-agent/features/page-load-timing-php). > #### 💡 TIP > > Compare [`newrelic_disable_autorum`](https://docs.newrelic.com/docs/agents/php-agent/php-agent-api/newrelic_disable_autorum), which **disables** the browser script on a page. ## Parameters | Parameter | Description | | ---------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | `$include_tags` _bool_ | Optional. Defaults to `true`. If `true` or omitted, the JavaScript string is enclosed in a `