This is the standard nomenclature for television episodes.

The "720p WEB" designation in the keyword refers to the digital broadcast quality. While 1080p and 4K are now standard, 720p remains a popular choice for many viewers because:

The first episode of Attack on Titan (Shingeki no Kyojin) is widely considered one of the best pilots in anime history. It doesn't just introduce a world; it shatters one.

: Accessing or distributing copyrighted content through such platforms may violate local streaming and intellectual property laws. For a safer and legal experience, consider viewing Attack on Titan through official streaming partners like Crunchyroll for other seasons of Attack on Titan movies4u.bid Technology Profile - BuiltWith

Animation and action choreography

It looks like you’re referencing a specific file naming pattern: