I have a website thats in google webmaster tools is throwing up duplicant content pages . Ive emailled my webmaster as we just changed servers recently . I have no 404 redirects on any pages . My keywords are jumping from position 30 to 178 ish alot for last 3 months . I cant seem to get anywhere with my keywords . How do i recitfy the duplicant content on diferent urls . What do i do . Please explain easy peasy please as i can be blonde sometimes . So this is wot i need to know . 1. how do i delete duplicate pages that have different url . my url is here i cannot post due to it being adult http://tinyurl.com/63vxjc2 ie the calender on my website has this as orig page /calender but these pages /calender/1 /calender/3 google is saying are duplicate thats what showing up in webmaster tools . all pages are the same . how to i delete /1 and /3 2 . how and what circumstances would i have to uses a 404 redirect . I have no clue . all other websites in my catergory av these mine doesnt how do i rectify this . 3. any other advice regards seo is great . i know about articles social bookmarking directorys banner exchanging . thanks alana x