26 websites carry this Bing site verification in its source code@if (Model.Total > IdentifierModel.MaxSites) { ; the 200 highest-ranked are listed }. The msvalidate.01 meta tag: a Bing Webmaster Tools owner.
Which websites use the Bing site verification 045A9DFCA943D7F788EB8555F46A71AC?
The 26 sites listed on this page: each has the id in its stored HTML or first-party JavaScript. The msvalidate.01 meta tag: a Bing Webmaster Tools owner; sites sharing one are usually run by the same owner, agency or platform.
How was 045A9DFCA943D7F788EB8555F46A71AC found?
By reading the stored source. PageSourceSearch keeps the exact bytes of the pages and scripts it crawls and extracts the identifier from the tag's own snippet or meta tag, so every listed site can be opened at the line that carries it.