The javascript void function can be desirable when you need to call another function without a redirect to a page refresh.
A hidden iFrame is re-directing to the source page given - src= etc.
Here is the bad iFrame detektor report for that site:
Check took 10.68 seconds
(Level: 0) Url checked:
hxtp://www.playlist.com/
Zeroiframes detected on this site: 1
No ad codes identified
(Level: 1) Url checked: (iframe source)
hxtp://rc.rlcdn.com/233.html *
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 1) Url checked: (script source)
htxp://www.playlist.com/scripts/remote_logger.js
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 1) Url checked: (script source)
htxp://www.playlist.com/prod/scripts/127/opt/std_opt.js
Google code detected (Ads, not a cheater)
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 2) Url checked: (iframe source)
hxtp://www.playlist.com/prod/scripts/127/opt/javascript:false;
Blank page / could not connect
No ad codes identified
(Level: 2) Url checked: (iframe source)
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 2) Url checked: (iframe source)
Blank page / could not connect
No ad codes identified
(Level: 2) Url checked: (iframe source)
htxp://npgapps.com/client_files/metacafe/megamovie2/megamovie.html?ord={ord}
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 3) Url checked: (iframe source)
htxp://npgapps.com/client_files/metacafe/megamovie2/+ad.url+
Blank page / could not connect
No ad codes identified
(Level: 2) Url checked: (iframe source)
htxp://www.playlist.com/prod/scripts/127/opt/javascript:false;
Blank page / could not connect
No ad codes identified
(Level: 2) Url checked: (script source)
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 2) Url checked: (script source)
Blank page / could not connect
No ad codes identified
(Level: 1) Url checked: (script source)
htxp://www.google.com/jsapi
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 2) Url checked: (script source)
hxtp://www.google.com///:
Blank page / could not connect
No ad codes identified
(Level: 2) Url checked: (script source)
hxtp://www.google.com/+b+
Blank page / could not connect
No ad codes identified
(Level: 1) Url checked: (script source)
htxp://www.playlist.com/prod/scripts/127/phoenix/sections/front-page.js
Zeroiframes detected on this site: 0
No ad codes identified
(Level: 1) Url checked: (script source)
htxp://www.google-analytics.com/ga.js
Zeroiframes detected on this site: 0
No ad codes identified
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