This is the 2799th most frequent Polish word.
internetowych
"Internetowych" means "internet" or "online" (as an adjective).
Here, 'internetowych' is used as an adjective describing 'sklepów', meaning 'stores', to indicate that these stores operate online.
Wiele sklepów internetowych oferuje atrakcyjne zniżki.
Many online stores offer attractive discounts.
In this sentence, 'internetowych' qualifies 'usług', meaning 'services', to signify they are internet-based services.
Mam plany na zakup usług internetowych.
I have plans to purchase online services.
'Internetowych' is used as a descriptive term for 'platformy', meaning 'platforms', to indicate that these platforms function on the internet.