What is the canonical Tag and how to use it?

The canonical tag is an HTML element that you can use in the pages of your website to prevent duplicate content, indicating with this Tag to the search engines your favorite page when you have pages with duplicate or very similar content.

We all know that search engines do not like sites with duplicate content, are usually of low quality or are trying to manipulate the rankings. It is worth mentioning that by saying “duplicate content” we do not only refer to a post on more than one page on your site or to the same product on several pages. It also counts as duplicate content having the same goal <title>, meta description, or headings in multiple pages of your site or even if your content is very similar to that of another website (so do not use content from other sites, even they can sue you).

Sometimes we come across sites that are not necessarily of low quality, and are not trying to manipulate the rankings, simply do not know this tag or do not have an expert to indicate how to use it. Unfortunately the search engines do not care about your intentions, and they will not forgive you simply because you ‘did not know’, you will suffer in the rankings if you neglect this technical aspect. This is very often seen with e-commerce sites, since they can have the same product on many pages, for example, pages with different URLs depending on how the user came to your product. Let’s see an example:

You sell clothes for men, and customers come looking for something specific, some cargo black shorts in size XL Dickies brand. A customer can search first by size, another customer can search first by category (shorts), and another customer can search first by brand. Other customers can search differently even using the ‘Search’ of your page. Each of these searches will give you a different URL, but the page will show you the same product, the same images, the same content of the whole page, this is duplicate content.

This is where the “link rel = canonical” tag fits perfectly, but where do you put it?

You have to choose a URL, and all other versions point to the one you chose, it is recommended that you choose the shortest, cleanest, and friendliest URL for the search engines and for your users.

Can I use the canonical tag on a page pointing to itself?

Yes, if you can use it in all your posts and pages pointing to itself, as long as there is no other page with similar content. Google has said that this does not affect you negatively and, in fact, it can help you if you have an automated system that steals your content, they take it with the canonical tag that means that your page is what search engines should prove by the content (clear as long as they are not removed).

Can I use the canonical tag for a series of paged search results?

This refers to when there is more than one page of products, using the example above we would have 3 pages of cargo shorts, black in size XL. NO, it is not recommended to use the canonical on each page pointing to itself. You can use it if you have an option to ‘see all’, then point to all others to that of ‘see all’, but even so it is not the most recommended. In these cases it is recommended to use ‘Pagination’.

In a blog, do I have the canonical tag in each post pointing to the main page of the blog, what do I do?

QUIT IT! As mentioned above, each post can have it pointing to itself (as long as there is no similar content on another page), or you can remove it from each post, but do not have it pointing to the main blog page. This would affect you negatively, since all your posts would not have authority, it’s like working for free for someone else.

A page with canonical pointing to another is indexed in Google?

No, when you use this tag you are telling Google that you have another preferred version, and that it does not take it into account. If Google sees your pages and says something like ‘no, yes, this guy applies it well here, I’m going to respect the tag’, then it’s as if the page pointing to the other one ceases to exist.

Do you have other doubts? Did something happen to me? Let me know


What Is SEO, SEM and PPC

One of the keys to your online business, website, blog etc.. to be successful on the internet is to position it properly. Because we are less visible to users worst benefits we will have. This is what we will try to develop along the different post, as to be able to have a good visibility in the search engines.

You may have heard of words such as SEO, SEM, SERP… words that we should know and differentiate each one before we delve into the different techniques of web positioning. Well let’s define each of them and see the relationships that have to be able to situate ourselves in a future:

SERP Search Engine Results Page

Search Engine Results Pages, can be defined as the results page that mostaria us a certain search engine to enter our search. Includes both sponsored links (surcharge) as organic results. For example if we introduce into the google bar “hire purchase” all entries that we would both down as in the bar to the right.

SEM (Search Engine Marketing)

The SEM is referred to all the actions we take to position a website in the search engines. These actions include both pay and those that do not, i.e. the SEM encompasses SEO techniques, marketing in social networks, planning of campaigns through Google Adwords (PPC). In many blogs you will see that there is a tendency to confuse SEM with PPC (pay per click) and differentiate it from the SEO, when the truth is that this is not the case, SEO is a part of the SEM because as I said before the SEM encompasses all the actions we take to position a website.

SEO (Search Engine Optimization)

Everything related to the date on our website in the organic results. When we talk about organic results we refer to the results and the search engine will show us without being paid anything for them, in the following image we showed you the organic results or “natural” that we would get in the car buying “search” (those listed inside the box):


This is known as pay per click. Here we are talking about a pay per click campaign. We chose the keywords in particular and pay for each time they click your ad. The notice will appear on the right side of the browser or in the first few posts as we see in the following picture:

Will appear better positioned in terms of what we are willing to pay for each click, this is resolved by way of a bid by the words. Later we will see tools to view the competition that we will find the time to make a choice of keywords, and thus to be able to choose properly on the basis of our interest etc.. But we do not want to run too, we have a clear understanding of the concepts that we will use later to avoid confusion.