Go Language: Read content type from a url

App.go

package main

import (
 "fmt"
 "net/http"
)

func main() {
 url := "https://self-learning-java-tutorial.blogspot.com"

 contentType, err := contentType(url)

 if err != nil {
  fmt.Println(err)
  return
 }

 fmt.Println("Content Type : ", contentType)

}

func contentType(url string) (string, error) {
 resp, err := http.Get(url)

 if err != nil {
  return "", err
 }

 defer resp.Body.Close()

 cType := resp.Header.Get("Content-Type")
 return cType, nil

}

Output

Content Type :  text/html; charset=UTF-8

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