Ghosted pages in SharePoint don't render - Microsoft Support
https://support.microsoft.com/en-us/topic/ghosted-pages-in-sharepoint-don-t-render-ab77a16e-6ad1-4e56-7f91-b05ae21fae33
WebSep 21, 2020 · Ghosted pages are stored in the file system. Their security level is enhanced by forbidding server-side scripts and unsafe controls. A ghosted page may be blocked from rendering if the following conditions are true: The ghosted page contains in-line code or server-side script. The code-behind type or web part type isn't registered as safe.
DA: 19 PA: 25 MOZ Rank: 43
