It’s made harder due to Google making their image search worse, seems to get far less results now they’ve completely replaced Image Search with Lens, but downloading the image and/or using Google Lens to find sites with the image, and going down a chain to find the earliest date, largest dimensions, and least compression blur/unnecessary graphics. SEO Wagon Reverse Image Search used to help, as it searches Yandex as well and Yandex sometimes has better results.
It’s made harder due to Google making their image search worse, seems to get far less results now they’ve completely replaced Image Search with Lens, but downloading the image and/or using Google Lens to find sites with the image, and going down a chain to find the earliest date, largest dimensions, and least compression blur/unnecessary graphics. SEO Wagon Reverse Image Search used to help, as it searches Yandex as well and Yandex sometimes has better results.