schema.org checker I made in like 5 minutes. Useful for scraping for pages that support schema.org.

schemachecker.py

#!/usr/bin/python3
# usage: schemachecker.py urls...
# requires: python 3, beautiful soup 4, requests library

from bs4 import BeautifulSoup
import requests
import sys

def checkUrl(url):
    r = requests.get(url, headers={'user-agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:10.0) Gecko/20100101 Firefox/10.0'})
    soup = BeautifulSoup(r.text, 'html.parser')
    types = set()
    for item in soup.find_all(itemtype=True):
        types.add(item.get('itemtype'))
    for t in types:
        if t:
            print('- contains a "{}" schema'.format(t))

for url in sys.argv[1:]:
    print(url)
    checkUrl(url)

"""
> python .\schemachecker.py https://google.com https://www.allrecipes.com/recipe/95294/chewy-caramel/
https://google.com
- contains a "http://schema.org/WebPage" schema
https://www.allrecipes.com/recipe/95294/chewy-caramel/
- contains a "http://schema.org/Recipe" schema
- contains a "http://schema.org/BreadcrumbList" schema
- contains a "http://schema.org/ListItem" schema
- contains a "http://schema.org/Rating" schema
- contains a "http://schema.org/Review" schema
- contains a "http://schema.org/AggregateRating" schema
- contains a "http://schema.org/NutritionInformation" schema
"""

Tested with Anaconda on Windows 10.