HTML snapshots, pre-rendering, dynamic rendering... regardless the name and specifics of the implementation, the result is usually a different HTML response based on the user agent making the request. Use this tool to check what content is being served to different user agents.

Invalid URL
URL User Agent Status Redirect Page Title Meta Description H1 Word Count Link Count Vary: User-Agent MD5
{{request.url}} {{request.user_agent_name}} {{request.status_code}} {{request.status_text}} {{request.redirect}} {{request.page_title}} {{request.meta_description}} {{request.h1}} {{request.word_count}} {{request.link_count}} {{request.vary_user_agent}} {{request.md5}}