If you are not sure if the website you want to visit is safe, you can check it out here. Enter the address (url) of the website and see the invisible elements, such as a header or meta data.
site address:gdt.gov.vn/wps/wcm/connect/dc0a2955-b05a-4211-90e2-66d2420d9004/TT_b_01_2020.jpg?MOD=AJPERES&CACHEID=ROOTWORKSPACEdc0a2955-b05a-4211-90e2-66d2420d900...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5001)
Url ContentJPEG Image
MIME Type / Internet Media Typeimage/jpeg
MIME Type image
File Extension.jpeg, .jpg
More Details (link to:)RFC 1314
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Date Sun, 31 May 2020 00:13:24 GMT
X-Frame-Options DENY
Expires Sun, 31 May 2020 00:23:24 GMT
Accept-Ranges bytes
ETag -1045328989
Content-Length 646486
Cache-Control public,max-age=86400
Set-Cookie SCOUTER=z54v6ne25ich16; Expires=Fri, 18-Jun-88 03:27:30 GMT;HttpOnly
Content-Type image/jpeg
Content-Language en-US

Load Info

page size646486
load time (s)3.824593
redirect count0
speed download169033
server IP103.9.200.37


* all occurrences of the string "http://" have been changed to "htt???/"