import aiohttp
import asyncio


async def fetch(session, url):
    async with session.get(url) as response:
        return await response.text()


async def main():
    async with aiohttp.ClientSession() as session:
        url_list = ["https://www.ukr.net/", "https://ukr.segodnya.ua/", "https://korrespondent.net/"]
        sites_has_googleads = []
        for u in url_list:
            html = await fetch(session, u)
            # print(html)
            print("googletagservices" in html)
            if "googletagservices" in html:
                sites_has_googleads.append(u)

        print(f"These {sites_has_googleads} contain googletagservices script")


if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())