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Would custom social sharing buttons work better than the bulky addthis widget on a highly trafficked website (100mil pageviews/day)?

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up vote 5 down vote accepted

Yes, mainly because most large social network's code is delivered from a powerful CDN.

I would advise loading the scripts at the foot of your page as this will mitigate the script's effect on your overall page load time and user experience.

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well addthis' js is loaded from their CDN which is pretty good. – surpr May 7 '12 at 22:07
@surpr not nearly as good as the one's the big social networks use. – toomanyairmiles May 7 '12 at 22:21
Ya I figured.. if we could self host the addthis js on our CDN it would be worth it. – surpr May 7 '12 at 22:44
@surpr there really isn't anything preventing you from doing that, you could script the update process so you get a new copy on to your CDN once a day. – toomanyairmiles May 7 '12 at 22:47
Add this use Akamai for their CDN, so you'd be hard pushed to get faster than that. The only benefit of hosting it on your own domain would be to limit DNS lookups on your page. – Noodles May 8 '12 at 22:52

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