求助：已上线WordPress网站突然显示为索引列表的原因

Hey there, let's walk through the most common reasons your site at gilron.org is now displaying a file index instead of your regular website:

• Missing or misnamed default index file
  Web servers (like Apache or Nginx) are programmed to look for specific files as the "homepage"—things like index.html, index.php, or default.html. If your main homepage file was accidentally deleted, renamed (e.g., to Index.html on a case-sensitive server), or the server's config doesn't include your homepage's filename, it can't find what to display, so it falls back to showing the directory's file list.

• Directory listing was accidentally enabled
  Most servers disable directory listing by default to keep your file structure private. But if something changed—like a tweak to your .htaccess file, or a server-wide config update by your host—this setting might have been turned on. For example, in Apache, an Options +Indexes line in .htaccess would force the server to show file lists instead of redirecting to a homepage.

• File/directory structure got messed up
  If your site's core files were moved to a subfolder (even accidentally, like during an FTP transfer or host migration), and your domain is still pointing to the original root directory, that root folder no longer has a homepage file. So the server just shows whatever's in there—usually the subfolder containing your actual site.

• Temporary server configuration glitch
  Sometimes host servers go through updates, restarts, or minor glitches that can cause config settings to load incorrectly. This might temporarily enable directory listing or break the default index file rules. Often this fixes itself quickly, but if it sticks around, you'll want to check with your host.

Quick Troubleshooting Steps #

1. Use FTP or your host's control panel to check your site's root directory—make sure your homepage file (like index.php or index.html) exists and has the correct name.
2. Look for a .htaccess file in the root folder. If you see Options +Indexes, change it to Options -Indexes to disable directory listing.
3. Confirm your domain is pointing to the correct directory where your site's core files live.
4. If none of the above works, reach out to your web host's support team—they can check server-level configs and permissions for you.

内容的提问来源于stack exchange，提问作者Tom Gal