http://gpvdip7rd7bdy5gf7scl3rzgzgzckqw4sqxbmy6g3zijfwu4lz3ypbyd.onion/Personal/blogs/http_fp_en.html
The value of Accept-Language not only depends on your language settings, it also seems to be dependent on browsers (On Chromium the default is: en-US,en;q=0.9 ;On Firefox: en-US,en;q=0.5 ). There could also be other browser or version specific differences. Difference browsers and versions can have difference default HTTP versions .