I work on OnePassApps, so this is our own product, and everything below is a read of our own public pages - fetched and measured, not a guess.

Search engines get a narrow view of a site like ours: a sitemap, a robots file, and a handful of HTML pages. Here is exactly what app.onepassapps.com hands them, measured by fetching every URL it names.

How this was measured: GET https://app.onepassapps.com/sitemap.xml , GET https://app.onepassapps.com/robots.txt , then one request per URL in the sitemap. For each page I recorded the HTTP status, the <title> , the meta description, the <link rel="canonical"> , og:title , and the JSON-LD graph.

The sitemap: 16 URLs, and nothing else

https://app.onepassapps.com/sitemap.xml answers 200 with a plain <urlset> (not a sitemap index) containing 16 <url> entries.…