Yesterday night, when I was home, I just simply typed my search words and Google showed me that my website was the first one on the first page. But when I am in my office, my website is always on the second or third page. Who can tell me why? Thanks.
logout of your Google account and make sure you are on the same google. Google.com is not Google.co.uk and defiantly not Google.co.jp as the result is different too, we call that localization.
Wissam/McCube, I had the same query and someone explained to me that your PC will also register cookies on sites you look at so the ranking of the site on your home PC will show our ranking higher up as it believes that is the site you are searching for again. They also said exactly what you explained about logging out of your Google account Wissam.
Theres a website that shows you the results from all of googles different data centres. Sorry I can't find the link now, you might find it if you google it lol.
Are you always logging onto the same version of Google? I live in Canada, so when I Google my website on http://google.CA/ it shows up on the first page, but when I try it on http://google.COM/ it's only on the second or third page.
Checking it so often will drive you insane my friend. Lay off the Google! She is a temperamental mistress.
One more thing to note is that if the "customization" is enabled, you will see different results. If it's enabled, you will see a link on the right side of the page, right above where it shows the number of competitors.