15 must read web analytics blogs

Trying to improve your web analytics skills? Just start following all or at least a couple of the following blogs and you'll become analytics hero in no time. I've gathered in this article all the blogs that helped me evolve to a digital analytics expert.

How will GDPR affect your web analytics

After going through several white papers, discussions and online articles I will try to cover the most important changes for online analytics which will come with EU’s new data protection rule. This is an upgrade to EU’s ePrivacy data law (aka ICO cookie law) that will come into effect on May 25th 2018. Most of digital analytics vendors have already started presenting solutions that you could use to be compliant with this new regulation, but it’s sure that as we get closer to spring 2018  a lot of things will change on how websites operate. What is GDPR? GDPR stands...

Shedding some light on dark social traffic

Dark social traffic is still an issue that impacts traffic data collection on a daily basis for all web analytics tools (even Google analytics). If you see a high percentage of direct traffic (especially for pages with long URLs, which are difficult to type), you should spend some time to go through this article.

GTM: Flexibility and strength for your website – Talk at TechSaloniki 2017 (Greek)

Last weekend I held a talk at TechSaloniki 2017 about GTM. My goal was to introduce GTM to professionals with no previous experience with a Tag Management Systems (TMS) and show them the reasons why someone working  with web analytics should be using it. I also demonstrated several advanced use cases where a Tag Management System like Google Tag Manager can come handy: Removing PII data from your collected traffic data Combining different data sources online Tracking adblocker usage Injecting SEO improvements Enriching data during data collection Formatting and converting data I wanted to make sure that everyone understood the power a...

A Web Full of Data – Talk at TEDx UniversityOfIoannina 2017 (Tzamtzis, Gkesoulis)

Last week on Saturday (May 6th) I had the chance to talk, with my colleague Dimitris Gkesoulis, about what we love the most (digital analytics) at TEDx UniversityOfIoannina 2017. It was a great chance for us to present to a crowd, that is not relevant with analytics, how we imagine the future of digital analytics, how we think they can improve our every day life and also educate them on the web tracking technologies and the risks. The complete talk and the rest of the talks of the conference are also available online: You can download our full presentation here...

Excel function for MD5 hashing without VBA

When capturing PII data (Personally identifiable information) in GA or Adobe analytics, you need to make sure that the values captured are encrypted/hashed to respect the rules of these platforms. Otherwise you might have your account deactivated without any prior notice! A very common hashing algorithm is MD5. It produces a 128-bit hash value and it’s a one-way hashing algorithm, meaning that you cannot convert the hashed value back to the original one. To be able to compare and correlated hashed values with offline data you need to also hash (using the same algorithm) the key value of your 2 data sets...

Common analytics bugs in network sniffers

When triggering tracking pixels on the click of buttons taking you to a new page you may encounter several issues. This happens because the browser will not give the tracking pixel enough time to contact the remote server. Is this affecting your actual data collection process? Here are a few examples of how a normal tracking pixel request should look like, to make sure everything is working correctly: If you are not seeing something like the ones above, below is a list with the most common issues and the ones you need to pay attention to, as they probably indicate...

Best digital metrics for 15 different types of companies by Avinash

An amazing article from the great Avinash Kaushik describing which digital metrics you can use depending on the size and the nature of your business. When you start working with digital analytics it’s very difficult to understand what’s the best way to move forward and what matters most for your business. This article is a great introduction. After spending some time with these suggestions you can customize the reports according to your needs. Bonus: Avinash has also created this great set of custom segments, reports and dashboards that you can import in your Google analytics account.

Introduction to Advanced analytics (part 1)

This is a a series of articles which is supposed to help a beginner, setup advanced tracking tools that will help him gather more information about the way visitors are interacting with a website. We are going to focus mostly on Google tools, because they are free, easily accessible for everyone and reliable. When using free tools you need to keep in mind that there will be a few limitations, especially when working with websites with a lot of traffic, but this shouldn’t be an issue for most beginner users. The first part of this series is describing steps needed to make your website...