spotify js errors - in firefox page refreshes every 30-45 seconds

gistfile1.txt

unreachable code after return statement main.js:68102:14
mutating the [[Prototype]] of an object will cause your code to run very slowly; instead create the object with the correct initial [[Prototype]] value using Object.create main.js:24202:15
Use of getAttributeNode() is deprecated. Use getAttribute() instead. main.js:31108:0
The character encoding declaration of the framed HTML document was not found when prescanning the first 1024 bytes of the file. When viewed without the document framing it, the page will reload automatically. The encoding declaration needs to be moved to be within the first 1024 bytes of the file. index.html:2:0
The character encoding declaration of the framed HTML document was not found when prescanning the first 1024 bytes of the file. When viewed without the document framing it, the page will reload automatically. The encoding declaration needs to be moved to be within the first 1024 bytes of the file. index.html:2:0
The character encoding declaration of the framed HTML document was not found when prescanning the first 1024 bytes of the file. When viewed without the document framing it, the page will reload automatically. The encoding declaration needs to be moved to be within the first 1024 bytes of the file. index.html:3:0
mutating the [[Prototype]] of an object will cause your code to run very slowly; instead create the object with the correct initial [[Prototype]] value using Object.create suggest.min.js:4:27995
unreachable code after return statement main.js:51006:14
mutating the [[Prototype]] of an object will cause your code to run very slowly; instead create the object with the correct initial [[Prototype]] value using Object.create main.js:21563:9
SyntaxError: JSON.parse: unexpected end of data at line 1 column 1 of the JSON data main.js:18782:22
Use of getAttributeNode() is deprecated. Use getAttribute() instead. main.js:46149:0
Failed to update icon badge Error: Request failed with status code 404
Stack trace:
onSuccess@https://player.spotify.com/app/zlink/fbb6617/main.js:32758:23
executeDeferreds@https://player.spotify.com/app/zlink/fbb6617/main.js:35386:11
handlePostMessage@https://player.spotify.com/app/zlink/fbb6617/main.js:49862:7
 main.js:9822:13
Loading mixed (insecure) display content "http://b.scorecardresearch.com/p?c1=2&c2=15654041&cv=2.0&cj=1" on a secure page[Learn More] main.js:11567:0
GET 
http://b.scorecardresearch.com/p [Mixed Content]
[HTTP/1.1 200 OK 19ms]
Loading mixed (insecure) display content "http://t.scdn.co/media/categories/kpop_274x274.jpg" on a secure page[Learn More] browse
Loading mixed (insecure) display content "http://t.scdn.co/media/categories/kpop_274x274.jpg" on a secure page[Learn More] main.js:25749:0