Some of the picture/video sharing sites block IPs if there are many requests in short amount of time. So the BLC returns broken links even if they are not broken. This is a problem on bigger blogs and on shared hosts where multiple people share one IP. A box where we could input multiple proxy servers to use would be helpful to solve this problem.
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This could be added as "advanced" feature. I have 5 private proxies that i regularly use for this kind or activities. Private proxies are really not that expensive and they work a way better than the free ones. This would also prevent the main IP of server being flagged by some services(maybe even Google).
AdminJānis Elsts (Admin, W-Shadow.com) commented
I can see how IP-blocking could be a problem for shared hosts, but I don't think that adding a proxy list would be the best way to solve that. It would put an additional burden on the user (finding and checking proxies) and would probably be seen as cruft / misfeature by many.
Any other ideas for avoiding IP blocks?