> ## Documentation Index > Fetch the complete documentation index at: https://docs.x.com/llms.txt > Use this file to discover all available pages before exploring further. # X Widgets Webpage Properties > Configure X widget defaults across a site with meta and link elements, including dnt, lang, in-reply-to, and other webpage-level widget properties. Set widget preferences across an entire website by including `` and `` elements in your pages page. Widget settings specified in a `` may be overridden at the individual widget level. Order of precedence: 1. web intent link query parameter 2. widget attribute 3. meta or link element ## Turn off DOM scan for widgets and buttons The X for Websites JavaScript scans `document.body` after initialization to locate buttons, widgets, and web intents for enhancement. Turn off this scan if X content is only loaded via [JavaScript factory functions](/x-for-websites/javascript-api/guides/set-up-x-for-websites) or if you prefer to directly [call load](/x-for-websites/javascript-api/guides/scripting-loading-and-initialization) on a smaller fragment of the page. ```html theme={null} ``` ## Canonical link The [Post button](/x-for-websites/post-button/overview) uses the [canonical link relation of the page](http://tools.ietf.org/html/rfc6596) expressed in a `` as the shared URL if the URL property is not set in the button markup. Add a canonical link in the `` section of your webpage. ```html theme={null} ``` ## Identify the X profile of the page Populate the `via` property of a Tweet button by linking to your X profile page with a me link relationship token. Set a `me` link relationship in the `` section of your webpage. ``` ``` You may also set a `me` relationship from an anchor element on your page, such as a Follow button. ```html theme={null} Follow @XDevelopers ``` ## Theme Override the default `light` theme preference for an [embedded Post](/x-for-websites/embedded-posts/overview) or an [embedded Timeline](/x-for-websites/timelines/overview). ```html theme={null} ``` ## Do not track parameter You may choose whether X widgets on your site help to personalize content and suggestions for X users, including ads. You can opt out of having information from your website used for personalization by following the instructions below. Include the following snippet within the `` and `` elements on your pages that include X for Websites widgets: ```html theme={null} ``` You may also opt-out of this data use for a specific widget, and can do so by setting the optional `data-dnt` parameter to be true, as shown in the example below: ```html theme={null} ``` ## Turn off functionality which may trigger Content Security Policy warnings An embedded Tweet or embedded Timeline may display with restricted capabilities when a [Content Security Policy](http://en.wikipedia.org/wiki/Content_Security_Policy) restricts inline loading of X. Set `csp=on` to turn off functionality which could display Content Security Policy warnings on your site. ```html theme={null} ```