import requests

url = "https://www.instagram.com/p/DVOazPSjJQm/embed/"

r1 = requests.get(url, headers={'User-Agent': 'Mozilla'})
print("Mozilla length:", len(r1.text), "'likeCountClick' in text:", "likeCountClick" in r1.text)

r2 = requests.get(url, headers={'User-Agent': 'Mozilla/5.0'})
print("Mozilla/5.0 length:", len(r2.text), "'likeCountClick' in text:", "likeCountClick" in r2.text)

r3 = requests.get(url, headers={'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'})
print("Chrome full UA length:", len(r3.text), "'likeCountClick' in text:", "likeCountClick" in r3.text)