my keywords disappear at the first page of Yahoo

[whiteking]

Recently, we adjust our site and do a great change. a half month later, all keywords can be found at the first page of yahoo. I did not cheat. Why?

[Wishbone]

Recently, we adjust our site and do a great change. a half month later, all keywords can (did you mean can't?) be found at the first page of yahoo. I did not cheat. Why?

I don't know much about Yahoo penalties but when you say there's a big changes, probably at some point of those changes you can trace which change causes drop of your rankings.

[dylan55]

Changes may vary some effect either down fall at the moment but it will goes up again once you do great changes that help your site being rank in search engines.

[stanleyj]

Recently, we adjust our site and do a great change. a half month later, all keywords can be found at the first page of yahoo. I did not cheat. Why?

Can be found or CAN'T be found????

[seodesign]

just wait for some more days and check the results might be takes time to be in the same positions.did u changed page title

[palme]

Chenging of content , take effect after some days or that you sig about 15 days and that was en good chenging. but the other webmaster is also interested to come in the first page , and first page can show only about 10 sites , this means if another site next time come in the first and you have not done better chenging then yours become number 2, 3, ..

[mdamin76]

Yes, changes can affect ranking, but usually you'll get back your position after some times.