link exchange

confederation of websites that operates similarly to a web ring

en-GB/ˈlɪŋk ɛksˈt͡ʃeɪnd͡ʒ/
en-US/ˈlɪŋk ɪksˈt͡ʃeɪnd͡ʒ/

دسته بندی ها:

link building