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Whatever computer is connected to that network (router is Netgear DGN2200) and whatever program sends a http request, servers never get the Accept-Encoding header from me.

For example, if I go here:
I see:

NO, your browser is not requesting compressed content.

This problem makes websites load VERY slow for me, because most servers expect gzip request and not consider exceptions.

I can't understand if it's caused by the router, ISP or something else?

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What browser, and have you tried any others? – KCotreau Jul 1 '11 at 16:48
Google chrome, firefox, ie. And all in other computers (that connected to my network) too. – Moshe Revah Jul 1 '11 at 16:51
OK good, I guess you have ruled that out. Have you tried connecting one of the affected computers directly to the cable mode, and then tested? If you get to that point, you will definitely be able to say router or ISP. – KCotreau Jul 1 '11 at 17:02
Mmm directly to the cable mode? is that possible? I think I need a seperate modem (in my case it's inside the router). – Moshe Revah Jul 1 '11 at 17:12
Not sure what to tell you. Most people I know have a separate cable/DSL modem, and then they have their own router connected to that. I will look at your manual and see if I can find something. – KCotreau Jul 1 '11 at 17:15
up vote 1 down vote accepted

I just found this, and it appears that your modem just may not be compatible with your ISP. Frankly, I did not know that was possible, but check this out:

ADSL Modem Goes Slower Than Dialup

share|improve this answer
"That way, if something goes wrong you can say you were just doing what they wanted, so it's their fault" - this is what I'm going to do. Thanks. If I'll ever know the exact problem I'll post it here. – Moshe Revah Jul 1 '11 at 18:04
@Zippoxer I have to take my little girl swimming now. I wish you luck, and I will check in later. Thank you for marking the answer. I appreciate it. – KCotreau Jul 1 '11 at 18:06

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