Slow/Broken YouTube Playback Help

Quality takes a while to update, slow loading times at points too

1.{"ns":"yt","el":"detailpage","cpn":"VNy9Aa7reDSC2OT6","docid":"pVLHYsUuoT0","ver":2,"referrer":"https://www.youtube.com/feed/subscriptions","cmt":"26.058","plid":"AAUVM4Nm7vK-FOk2","ei":"s4hGVeO6FI75iAaixoGADA","fmt":"137","fs":"0","rt":"83.934","of":"9FWMfd7JR0BGsZ6dlj1f4w","adformat":null,"content_v":null,"euri":"","subscribed":"1","lact":1,"live":null,"cl":"92492083","mos":0,"osid":null,"state":"4","vm":null,"volume":36,"c":"WEB","cver":"html5","cplayer":"UNIPLAYER","cbr":"Chrome","cbrver":"42.0.2311.135","cos":"Windows","cosver":"6.3","hl":"en_GB","cr":"GB","len":"666","fexp":"3300115,3300133,3300137,3300164,3310704,3311902,3312226,900720,907263,916603,916648,933236,934954,936119,938028,9406678,9408139,9408142,9408420,9408708,9409023,9409226,9409253,9413106,9413295,945137,948124,952612,952637,952642,957201","feature":"g-subs-u","afmt":"140","allowed":"1_2,1_2_1,1_1,1_3,2_2_1,2_2,2_1,2_3","vct":"26.058","vd":"666.000","vpl":"0.000-26.058,","vbu":"0.000-67.895,","vpa":true,"vsk":false,"ven":false,"vpr":1,"vrs":4,"vns":2,"vec":null,"lct":"26.058","lsk":false,"lmf":false,"lbw":"5612646.097","lhd":"0.075","ltd":"0.000","laa":"itag=140,seg=6,range=1029112-1092790,time=64.0,68.0","lva":"itag=137,seg=12,range=33169022-35266173,time=64.0,68.1","lar":"itag=140,seg=8,range=1286195-1446418,time=80.0,90.0","lvr":"itag=137,seg=13,range=37363326-38702324,time=72.1,74.7","lvh":"r1---sn-cu-aigk","lab":"0.000-67.895,","lvb":"0.000-67.967,","debug_videoId":"pVLHYsUuoT0","gpu":"ANGLE_(AMD_Radeon_HD_7700_Series_Direct3D11_vs_5_0_ps_5_0)","debug_playbackQuality":"hd1080","debug_date":"Sun May 03 2015 21:45:51 GMT+0100 (GMT Daylight Time)"}

  1. bt-lhr7 (86.178.212.0/25)

  2. British Telecommunications, Belfast UK

/r/youtube Thread