Hi, I was implementing JSON-LD via Google Tag Manager but have since read that it is better to place directly on the web page. My questions are: Where exactly do you add the JSON-LD - I mean physically?  This article by Moz says the head or body. Does it matter where in the head? At the end? If you do not have development access- is there an easy way to insert? Can you view the added JSON-LD directly on the web page after you have added it or is it not visible in the source once you have added it this way ? If you cannot see it, how do you view? Or it it just OK to use the Google Structured Testing tool as evidence that it is being seen by Google? Thanks

Hey Moz, It's actually my first post - although I look at the Q&As on a daily basis! I was hoping to get your opinions on how to handle dynamic product url that can change regularly. Before we start, our product page urls get populated by the product titles. So the situation is this. Let’s say we have a product url: /product/12345-abcde-fghj/ Then the client decides to change the title a week later, so the url changes with it to): /listing/12345-klm-qjk Another week later, the agent changes to: /listing/12345-jkhfk-jhf-kjdhfkjdhf So to note, the product ID will always remain the same. Naturally, 301 redirecting every time would cause a bit of page authority to be lost every time 301ed. Also potentially creating new a few hundreds of 301 redirect daily sounds totally mental. (I have been informed by the dev we expect a few hundreds to change url daily) Although I understand there’s no limit on how many 301s you can have on a single domain, this would look completely unnatural - really not ideal. So the potential solution we thought was: we’ll keep the original url, and make sure that is the only url that will get indexed**/product/12345-abcde-fghj/**and put canonical tag on any of the new urls, directing to the original url. The problem we will have then is that the most current url may not exactly match the description of the product -wouldn’t be ideal for ux. Has anyone had dealing with issues like this in the past? Would love to get your input! Many Thanks

Hi everyone, We're going through some of our old posts in our WordPress blog and updating them, adding new information, new links, and photos. My question: If we update the posts significantly, should we also update the "published" date to today? If we only correct some typos or a dead link, we don't touch the date. However, if we've done some real work on the post, we'd like to update the published date in order to bring it to the top of our blog feed and draw new attention to the post. However, I'm a little nervous that this could be seen by Google as spammy, as it's not technically a new post and the URL already exists in Google's index of our site. Here's an example of a post that was published several years ago and then updated a few week's ago with new information (and a new date stamp): http://www.eurocheapo.com/blog/barcelona-tip-five-cheap-eats-under-e6.html Any thoughts on this? Thanks, Tom

I found many duplicate title tags and I'm in the process of changing it  Do I need 301 redirects in place when I switch it? I am only changing the title tag. Also, we are switching over to a new site very soon, I am worried that we might be using too many 301 redirect "hops" because we are doing a lot of optimization as well. (video from matt cutts describing 301 redirects and hops: http://www.youtube.com/watch?v=r1lVPrYoBkA. Does anyone have any experience in doing too many redirect hops that it affected your rankings? Any good ideas to avoid this?

Our rankings just plummeted on Tuesday across the board.  There was a DDOS attack on Tuesday and since then the rankings went down and have stayed down, even though the DDOS attack has been resolved.   Also, this is the 3rd or 4th attack they've encountered this year. How long could this last?  How can we deal with this? Thanks

We want to change our cms from typo3  to CMS made Simple. We have done this already for another site and it effected the rankings. Have you got experience with this? What factors are important for SEO to consider? Is it normal when you change from cms the rankings will drop?