I run a non source code service and I also get these, also getting hit by literally millions of residential IPs being cycled after 1 - 2 hits. Ingesting thousands of copies of near identical pages. The bots seem to be programmed in an extremely simple manner, using non-obfuscated javascript to write the href attribute seems to stop them from seeing links, where previously they would endlessly crawl generated links. Unfortunately it also means noscript users get shafted.
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