It's coming from a F5 script, which is a company that sells anti-bot protection amid other things. (It's coming from obfuscated script at /TSPD, which is a F5 thing.)

https://www.f5.com/

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karel-3d 3 days ago | parent | next [-]

TS seems to be short for TrafficShield (a product of some company F5 acquired in early 2000s) and PD seems to be Proactive Defense (?)

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jpeggtulsa 2 days ago | parent | prev [-]

Isn't F5 the company that makes nginx?

	▲	wlonkly 9 hours ago \| parent \| next [-]
		That bought nginx, but yes!
	▲	karel-3d a day ago \| parent \| prev [-]
		I didn't know that! But apparently yes