Safari WebKitErrorDomain — Page Could Not Load

Overview

Safari WebKitErrorDomain errors indicate the WebKit rendering engine encountered an issue loading the page, common on iOS and macOS.

Key Details

• WebKitErrorDomain is Safari's internal error category for page loading failures
• Error codes include: 101 (URL not valid), 102 (frame load interrupted), 204 (plug-in will handle load)
• Common on iOS where WebKit is the only allowed engine
• Can appear when a page is interrupted by a redirect or JavaScript navigation
• Network extensions and content blockers can trigger WebKit errors

Common Causes

• Page load interrupted by redirect or JavaScript navigation
• Network extension or content blocker interfering with page load
• Invalid URL or malformed web page
• Safari content restrictions blocking the page
• WebKit bug with specific HTML/CSS/JS combinations

Steps

1. 1Try loading the page again — many WebKit errors are transient
2. 2Clear Safari cache: Safari > Preferences > Privacy > Manage Website Data > Remove All (Mac) or Settings > Safari > Clear History and Website Data (iOS)
3. 3Disable content blockers temporarily: Settings > Safari > Content Blockers
4. 4Try disabling JavaScript temporarily: Safari > Preferences > Security > uncheck JavaScript (re-enable after test)
5. 5Update Safari/macOS/iOS to the latest version

Tags

More in Safari Errors

Frequently Asked Questions