No need to elaborate on what duplicate content means because I'm sure you already know. Precisely what we need to discuss in this article is what is the effect of the duplicate counter?. There is an opinion that says duplicate content can cause a penalty from Google, is it true? the answer is MAY aka maybe yes maybe no! To find out, please read this article to the end.
Duplicate Content That Can Make Websites Affected by Google Penalty Are:
Duplicate Content That Does Not Make Your Website Affected by Google Penalties Are:
Many think duplicate content because of the problems below can cause our website to be penalized, but it's not! the truth is that website performance will decrease as a result many of the pages on our blog experience a drop in ranking which impacts on traffic.
When it happens like this:
There are two URLs indexed by Google when in fact they are the same page, for example:
URL 2: domainname.com/index.php/article-1.html
This doesn't result in a Google penalty at all, so if you experience something like this you should use a 301 redirect by adding the following code to your .htaccess file:
redirect 301 /url-yang-salah.html /url-yang-benar.html
or you can also add the rel=canonical url attribute to the <head>input code</head> unfortunately I can't provide the desired code considering the differences in the CMS used.
Duplicate content problems like this generally occur on Joomla! or a site created using incorrect coding. In addition, canonical problems are also often caused by web server performance that does not activate mod_rewrite properly.