Google Tag Manager
Tag Management Systems
Tag management systems allow marketers, SEO experts and webmasters to add or amend tags without having to make any changes to the page itself. A widely used tag manager is GTM which stands for the Google Tag Manager. In many cases, SEOs use tag management systems to implement tracking and remarketing tags such as Google Analytics and Facebook tracking. You may also define rules to amend the HTML code of a page.
Using GTM To Make SEO Changes
How To Make SEO Changes Using Tag Manager
How Effective Is This?
When To Use GTM?
You may use GTM to add a tag that inserts mobile switchboard tags. This is especially useful if you have a mobile site that has the same URL structure. It works by replacing the www with an “m” at the front of the URL. You may also use GTM to add noindex tag which will automatically eliminate existing meta robots tag. This tag can be used when you want to hide products that are out of stock in a particular element on the page.