# Blog

#### Magento 2 & Google Tag Manager

Feb 20, 2018 David Deppner

Conversion tracking is easy to set up in Magento Commerce using the built-in Google Tag Manager implementation. Google Tag Manager (GTM) is also useful for other common goals like setting up A/B testing, or inserting some javascript into certain pages on your site. In addition, if you set up GTM s...

#### Magento 2 Admin Permission Reference

Jan 30, 2018 David Deppner

Here's a quick reference to help Magento administrators when they're configuring what admin screens should be enabled for various business roles. For the most part, the permission (aka "Resource") required for access to each screen corresponds to the path of the admin screen. But this isn't always the case. There are a number of screens that have been moved around, such as "Customers > Customer Groups" so the name of the permission no longer matches the location of the backend screen. Also, a number of permissions are used for multiple screens. For example, the "Catalog" permission is used for "Catalog" and "Catalog > Inventory".

#### Magento 2 API Permission Reference

Dec 21, 2017 David Deppner

I've been working with the Magento 2 REST API off and on over the past two years now. One of the hassles with the API is just figuring out what permissions are required to access a particular API endpoint. When setting up access for API users, I have seen some Magento 2 administrators just take the...

#### ROI is NOT Profit

Oct 02, 2017 David Deppner

Would you rather have a 10% return on $100 or a 5% return on$1000?

\begin{align} 100 \times 10\%_{ROI} &= 10 \\ 1000 \times 5\%_{ROI} &= 50 \end{align}

If you have to pick one or the other, you’d pick the \$1000 investment at the lower ROI. In the real world, though, we can usua...