The time might have come when you want to secure your website and switch from HTTP to HTTPS. Easier said than done. A lot of issues might appear along the way that can screw up your hard-worked organic traffic. However, there is one thing that can really mess up things for your website while moving your site to https; and that is the canonical tag. 
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This is a crucial area. If you do not have schema markup and rel="author", you are costing your business money. It is as simple as that. As an example, say I want to make spaghetti (pasta) for dinner I search for “Spaghetti Recipe” and instantly I see some great markup in play, but one competitor has no markup and no rel="author" they are losing business in my eyes. Wouldn't you agree?.

But now, that is all changing. We can still see all of that information ... sometimes. Things got a whole heck of a lot more complicated a little over a year ago, when Google introduced SSL encryption . What does that mean? It means Google started encrypting keyword data for anyone conducting a Google search while logged in to Google. So if you're logged in to, say, Gmail when you do a search, the keyword you used to arrive on a website is now encrypted, or hidden. So if that website drilled down into its organic search traffic source information, they'd see something like this:
The truth is that a major problem for search engines is to determine the original source of content that is available on multiple URLs. Therefore, if you are having the same content on http as well as https you will “confuse” the search engine which will punish you and you will suffer a traffic loss. This is why it’s highly important to use rel=canonical tags. What exactly is this?
Organic search traffic used to just mean the amount of traffic that came to your site via someone who found your site using a search engine. Then, you could drill down into more detail to see which keyword they searched to get to your website. For example, we might learn that someone came to HubSpot.com by searching the keyword phrase "inbound marketing." This is important to know because it helps businesses understand which keywords are driving the most traffic, leads, and customers so they can develop better-informed content and keyword strategies.

PPC platforms hinge not on fixed prices, but on bids. Marketers bid for what they’re willing to pay for a single keyword click. Some industry words are much more expensive than others. The more expensive the word, the more likely you should rely on SEO to deliver traffic and leads to your organization. To find average industry CPCs, you can use Google’s keyword planner tool.
Beyond organic and direct traffic, you must understand the difference between all of your traffic sources and how traffic is classified. Most web analytics platforms, like Google Analytics, utilize an algorithm and flow chart based on the referring website or parameters set within the URL that determine the source of traffic. Here is a breakdown of all sources:
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