Some tricks and tips for instagram.
How to enlarge a profilepicture?
take some steps:
1- go to the instagram profile.
2- click with the rightmouse and go to pagesource
3- search with CTRL F for the words: logging_page_id after the word: profilepage you find an ID number.
4- copy this number
5- go to: https://i.instagram.com/api/v1/users/place-id/info/
6- past ID number on the place of the blue place-id and hit enter.
7- result is another sourcepage.
8- in Chrome: search with CTRL F for width
9- you see different numbers, take the higest number and copy the url starting with https:// and ending with cdninstagram.com
10-paste this url in your browser and see the bigger picture.
11- in Firefox: search with CTRL F for width
12- click on the url with the highest number.
result: left: Instagram profilepicture, right the whole picture.
Finding some posts from an instagramaccount which is set on private.