--- title: "Single-page scan" date: "2021-09-03T08:00:15+00:00" summary: "Quickly scan individual pages for errors, accessibility, SEO, and data privacy issues with the single-page scan feature." image: type: "page" url: "/web-governance/single-page-scan" id: "9401b823-84f2-48fe-80bd-1f527aeaab9d" --- Table of contents will be added Introduction ------------ The single-page scan lets you do a scan on any single page individually, outside of the normal website crawl. This is useful for error checks on a single page that has been recently updated. The web browser extension also can show the results of a scan on individual pages from domains that are not included in the subscription. Notes * It is not possible to scan a password-protected page with the single-page scan. For instructions on how to scan password-protected content, visit [Scan password-protected and internal pages](/node/58566/) * Acquia does not track or collect data on pages that are not covered by the subscription, it only shows the results at the moment of the scan. * After issues are reviewed, it can take some time for the system to recognize them as reviewed. If you do a single-page scan immediately after you mark issues as 'Reviewed', the scan may not reflect the reviewed issues correctly. * If you turn off the option to "Scan for broken links and images" for a single page rescan, do not mark broken links and images as 'Reviewed' because the system is instructed to ignore them and the changes will not save. * Valuable information is independent of the main text. ### How it works When you request a single-page scan, the URL for the page is sent to our crawler, which then crawls the page in the same way as it crawls any other page in a regular full domain scan. The single-page scan does not analyze the HTML that is downloaded in your browser. Every time a single-page scan is triggered by a user, either from the web browser extension or from within the application, it is added to a queue of tasks on our servers. This queue also contains all of the scheduled and on-demand domain scans across the entire server/environment. Please note that single-page scans have the lowest priority in the queue. In other words, if there are several ongoing domain scans (scheduled or on-demand) on the server and a user starts a Single Page Scan, it goes to the back of the queue and then must wait for other scans to complete. The reason for this is that all scans for other customers on the same server would be slowed down if single-page scans had top priority. For example, if Customer A started 10 single-page scans, it would force Customer B’s scheduled scan to take 2 hours longer.  For these reasons, expect that a single-page scan may take 30 minutes or longer, depending on the current server load. Note The IP address must be allow-listed for the single-page scan to work. The IP addresses used are based on your location. For more information, visit [Data Hosting and Security](/node/58411/). Instructions ------------ This section provides instructions on how to do a scan on a single page. 1. Click **Prioritized Content** (the bell icon) from the domain dashboard. The _Prioritized Content_ page opens. ![The location of the Prioritized Content button on the domain toolbar.](https://acquia.widen.net/content/78f3e3ba-f1f8-439d-a895-5363d887d7ac/web/Mon_Opt_Dashboard-PrioritizedContent.png) 2. Click **Open Page Details** (the page icon) on the same row as the page that you want to do a scan on. The _Page Dashboard_ page opens. ![The location of the Open Page Details button on the same row as an issue.](https://acquia.widen.net/content/989515e9-43ab-49c7-866b-2b659e6d4e36/web/Mon_Opt_Accessibility-PagesWithFailingChecks-OpenPageDetails.png) 3. Click **Re-scan this page** (an icon with recycling arrows). ![The location of the re-scan this page button on the top right corner of the page view.](https://acquia.widen.net/content/ac439e21-87be-44ec-a221-b700640f6d24/web/Mon_PrioritizedContent-SinglePageScan-RescanThisPage.png) The scan begins. A pop-up box gives the information, "Re-scanning this page has started and will be finished in a few minutes." 4. Click **OK** to let the scan continue, or click **X** to close the text box and cancel the scan. 5. When the scan is done, a message at the top of the **Page Dashboard** informs about the latest scan: "This page has been rescanned since the latest full crawl", along with the date of the most recent manual page scan. 6. The **Page Dashboard** updates to show the details from the single-page scan. Note The IP address must be allow-listed for the single-page scan to work. The IP addresses used are based on your location. For more information, visit [Data Hosting and Security](/node/58411/). Single-page scans with the web browser extension ------------------------------------------------ This section provides instructions on how to use the web browser extension to start a scan on pages that are included in your subscription. 1. Open the web browser extension on the webpage that you want to do the scan on. 2. Click **Single Page Scan** (icon of recycling arrows) in the extension toolbar. ![The location of the Scan This Page option on a page from your domain that is covered by the subscription.](https://acquia.widen.net/content/a01eace4-b2ed-4096-aa22-c8cf1e56e63b/web/Mon_Opt_WebBrowserExtension-ScanThisPageButton.png) 3. The _Single-Page Scan List_ page opens. 4. Click **Scan this page**. 5. The message “Scanning current page (URL)” shows, and the icon spins until the scan is done. 6. The page redirects to the application, where the scan continues there as per the normal single-page scan. 7. When the scan is done, a result box appears at the top of the page under the page logo. The information displayed is the date and time of the scan and the results found for the following modules: * SEO * Accessibility * Quality Assurance * Data Privacy. 8. A log is automatically created. It shows the history of all single-page scans on the page. Information in the log includes: * URL scanned * Date and time * Previous scan results * Option to _Go to page_ * Option to _Rescan page._ For more information, visit [History center](/node/58646/). Note The IP address must be allow-listed for the single-page scan to work. The IP addresses used are based on your location. For more information, visit [Data Hosting and Security](/node/58411/). For more information, visit [Web browser extension](/node/58711/) External page scans with the web browser extension -------------------------------------------------- This section provides instructions on how to do a scan on pages that are not included in your subscription. 1. Open the web browser extension on the webpage that you want to do a scan on. On a page that is not covered by your subscription, the normal selection for content issues (bug icon) is not available and is replaced by "Page not found". ![The location of the Page Not Found button on the web browser extension toolbar.](https://acquia.widen.net/content/1011dfe5-972a-4819-9ac5-04701c9117be/web/Mon_Opt_WebBrowserExtension-PageNotFound.png) 2. Click **Scan** (icon of recycling arrows) in the extension toolbar. ![The location of the Scan This Page option on a page from a domain that is not covered by the subscription.](https://acquia.widen.net/content/168200ae-8d59-413b-b5b3-8f5310687582/web/Mon_Opt_WebBrowserExtension-SinglePageScanButton.png) 3. The _Single-Page Scan List_ pane opens. 4. Click **Scan this page**. Note The extension does not perform the scan, it is an Web Governance scan. 5. The message “Scanning current page (URL)” shows, and the icon spins until the scan is complete. 6. The scan results appear in the _Single-Page Scan_ list with the following information: * The date and time of the scan. * Scan results for the following modules: * **Accessibility**: Click the arrow to expand the section and see the details. * **Quality Assurance**: Click the arrow to expand the section and see the details. * **SEO**: Click the arrow to expand the section and see the details. * **Data Privacy**: Click the arrow to expand the section and see the details. Important The scan needs access to the pages that it will do the scan on. This can be a challenge for some CMS systems. If you have issues with the single-page scan, allow-list the IP address. If needed, contact the [support team](mailto:support@monsido.com) Note The results of single-page scans on an external page are not saved in the Acquia database and cannot be marked as being fixed. The counters that display these scan results are not live and are only updated after each new scan.