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Standard User Lethe
(fountain of knowledge) Thu 07-Nov-13 15:02:07
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cdn.optimizely.com


[link to this post]
 
I noticed that thinkbroadband sometimes takes a while to load, even on a 36mbs downlink. I noticed that it always seems to be waiting for 'cdn.optimizely.com'.

As I run my own caching dns server, I pointed cdn.optimizely.com -> 0.0.0.0

and now it loads fast as anything.

Thoughts on this?

Nick
Standard User ryant704
(member) Thu 07-Nov-13 18:35:31
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Re: cdn.optimizely.com


[re: Lethe] [link to this post]
 
Seems to be a common problem when they are involved.
Standard User Oliver341
(eat-sleep-adslguide) Fri 08-Nov-13 00:27:00
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Re: cdn.optimizely.com


[re: Lethe] [link to this post]
 
This seems to be loaded on each TBB page: http://cdn.optimizely.com/js/292067074.js

As you can see, it's quite a chunk of code, no idea what it does.

Oliver.


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Standard User ian72
(knowledge is power) Fri 08-Nov-13 08:18:00
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Re: cdn.optimizely.com


[re: Oliver341] [link to this post]
 
Seems to be website analytics (presumably similar to google analytics). Presume this is what TBB are using to analyse visitors?

According to this you can opt out but not sure if that would speed up the site load or just stop it tracking you. Of course, to do that you need to enable cookies as it stores the opt out request as a cookie on the local device.
Standard User billford
(elder) Fri 08-Nov-13 08:47:15
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Re: cdn.optimizely.com


[re: ian72] [link to this post]
 
In reply to a post by ian72:
According to this you can opt out but not sure if that would speed up the site load or just stop it tracking you. Of course, to do that you need to enable cookies as it stores the opt out request as a cookie on the local device.
Or point cdn.optimizely.com to 127.0.0.1 in the hosts file… that should sort it smile

Bill
A level playing field is level in both directions.

__________Fold at Home_________________Planes and Boats and ... ______________BQMs: IPv4 IPv6
Standard User ian72
(knowledge is power) Fri 08-Nov-13 08:51:42
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Re: cdn.optimizely.com


[re: billford] [link to this post]
 
Ironically my browser just hung trying to open this thread wink

Hit stop and refresh and it then loaded fine...

Would be good if staff can confirm that this is the analytics engine in use for the site - and what impact they would feel if everyone started sin binning the address.
Standard User billford
(elder) Fri 08-Nov-13 09:11:34
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Re: cdn.optimizely.com


[re: ian72] [link to this post]
 
In reply to a post by ian72:
Would be good if staff can confirm that this is the analytics engine in use for the site - and what impact they would feel if everyone started sin binning the address.
Good idea- I've raised it in TTTS.

Bill
A level playing field is level in both directions.

__________Fold at Home_________________Planes and Boats and ... ______________BQMs: IPv4 IPv6
Standard User Lethe
(fountain of knowledge) Fri 08-Nov-13 09:45:19
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Re: cdn.optimizely.com


[re: billford] [link to this post]
 
Thanks, perhaps that's where I should have posted in the first place.

BTW, I have been running for a day now nearly with dns change, and I would say TBB loads/responds 50% faster all the time.

Nick
Standard User Lethe
(fountain of knowledge) Fri 08-Nov-13 10:06:19
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Re: cdn.optimizely.com - some info


[re: Lethe] [link to this post]
 
See this:

http://stackoverflow.com/questions/5224756/how-does-...

Nick
Standard User epyon
(experienced) Sat 09-Nov-13 09:09:50
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Re: cdn.optimizely.com


[re: ian72] [link to this post]
 
i opted out things load a bit faster.

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