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Hello, In our e-commerce business we saw significant growth in organic traffic during the summer months.
This is a period we sell a lot of custom made photobooks. The weird thing is that we didn't do any changes to our photobook pages since 2013, where we didn't have these peaks.
So this is good news, but... What would be a good way to start investigating the reason of this increase? 
I have a hard time answering the 'why' question. Thank you very much for your help! With kind regards, Yannick TiWWKX9.png

Hello, About 2 months ago we build a specific page arround the keyword 'kerstkaarten' (christmas cards in Dutch). It moved up to the first page (7th position), but last week we fell back to a +50 position.
The changes we made during the last week where minimal, and I really don't have an idea what may have caused the sudden drop in ranking. Maybe you can help? Link: http://www.smartphoto.be/nl/belangrijke-momenten/kerst/kerstkaarten Changes made: -> I changed the keyword kerstkaarten on tim on the page to 'kerstkaartjes', because the Moz page grader said the keyword density was a bit too high. -> We changed the top image on the page with a different promo. Title of the image changed from 'kerstkaarten-promo' to 'kerstkaarten-wenskaarten' -> The date on a small legal text on the page changed -> We got 2 backlinks from bloggers who've written an article about our christmas cards. So no major changes in my opinion. Any ideas? Thanks a lot! hz2DpJS

Hello, For an upcomming campaign we noiced the search volume for the word photobook is much higher then photobooks. Our page is currently ranking quite strong for photobooks, but not for photobook.
What would be the impact if we change the url, name and keywords to photobook?
And if it would make sense to change, what would te correct steps be to do so?
Thanks you very much for your thoughts on this matter!