Creating your own Google Analytics Tag Auditing System

Tag auditing is used to identify various tags (tag is a piece of JavaScript code) on a website for the purpose of:

#1 Upgrading from Classic Google Analytics to Universal Analytics

#2 Migrating Classic / Universal Analytics tags & configurations to Google Tag Manager.

#3 Debugging various Google Analytics tracking code issues

#4 Identifying and removing tags which no longer serve the purpose and should be removed in order to clean the website code.

#5 Migrating non google tags (like Facebook tags, Omniture tags) to Google Tag manager.

In tag auditing we identify all the tags currently being deployed on a website.

It doesn’t matter whether these tags fire or not.

They need to be identified and then updated, migrated or removed.

There are 3 methods through which you can identify various tags on a website:

  1. Tag auditing tools
  2. Manually
  3. Website scraper tools

Tag Auditing Tools

There are various free and paid tag auditing tools available in the market.

The one which I frequently use are:

  1. Google Tag Assistant
  2. Ghostery
google tag assistant

Google Tag Assistant

Google Tag Assistant is a chrome extension through which you can identify and validate the implementation of various Google Tags fired on a web page.

However, there are three shortcomings of Google Tag Assistant:

#1 It can’t identify and validate tags across a website.

#2 It doesn’t work for non google tags

#3 It can’t identify tags which don’t fire (as they are either broken or waiting for an event to occur first)

Ghostery

Ghostery

Ghostery is a chrome extension through which you can identify all the tags (both google and non google) which fire on a web page.

This extension also let you block tags which could be useful in debugging tracking issues:

Ghostery blocking tags

Just like Google Tag Assistant, it has its own shortcomings:

#1 It can’t identify tags across a website.

#2 It can’t identify tags which don’t fire (as they are either broken or waiting for an event to occur first)

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Manual Tag Auditing

I manually search for a tag on a web page if its not picked up by Google Tag Assistant or Ghostery.

Generally this happen when a tag is broken and thus can not be fired on page load.

For example if your GTM container code is broken (may be due to formatting issues) then it won’t be picked up by Google Tag Assistant.

In that case you look into the source code of the page, search for ‘gtm.js’ file to find the location of GTM container code and determine what is wrong with the code.

I also do manual tag auditing while diagnosing ecommerce tracking issues.

Generally ecommerce tracking code is placed on order confirmation page which can not be accessed directly through any third party tag auditing tool or website scraper.

In fact any web page which is hidden behind a login or some sort of authentication system can not be scanned by any third party tool and manual auditing is required.

Website Scraper Tools

Website scraper tools like Screaming Frog SEO spider can be used to identify tags across a website of any size.

I use screaming frog for tag auditing and for diagnosing tracking issues.

Don’t be fooled by its name. It is much more than a SEO tool.

It is a powerful website crawler through which you can identify any piece of code (and its occurrences) across a website of any size and it is not very expensive either.

There are other better alternatives to screaming frog, when it comes to tag auditing but they will cost you thousands of dollars a year, a price not many are ready to pay.

Also no paid tag auditing tool I know is able to audit Google Analytics tags the way I am going to show you, in the next few minutes.

My tag auditing system will help you in identifying different types of Google Analytics trackings installed on a website like:

  • Event Tracking
  • Cross domain tracking
  • Social Interactions tracking
  • User ID
  • Custom dimensions
  • Custom metrics
  • and many more

Through my tag auditing system, you can:

#1 Identify the pages where GA/GTM tags are found.

#2 Identify the pages where GA/GTM tags are not found.

#3 Identify the pages where data layers are found or not found.

#4 Identify any tag whether it was fired or not.

#5 Identify old GA configurations, the one which are based on Classic GA traditional syntax or even older urchin syntax.

#6 Identify non google tags and their location.

#7 Identify any type of GA tracking

#8 Scan any number and type of tags and technologies used on a website.

Custom Google Analytics Tag Auditing System

Let us suppose you want to audit your website for following tags and technologies:

  1. Universal Analytics Tracking Code
  2. Classic Google Analytics Configuration
  3. Universal Analytics Cross domain Auto linking
  4. Universal Analytics event tracking
  5. Facebook Custom Audience

You want to scan your website to find the pages which contain or do not contain these tags.

To do this follow the steps below:

Step-1: Open Screaming Frog SEO Spider tool and then go to Configuration > Spider:

Screaming frog configuration spider

Step-2: Uncheck following check boxes to speed up your crawl:

spider configuration

  1. Check images
  2. Check CSS
  3. Check JavaScript
  4. Check SWF
  5. Check External Links

By unchecking these checkboxes you will greatly reduce the crawling time esp. if your website has got hundred thousands web pages.

Step-3: Go to Configuration menu and click on ‘Custom’:

custom menu

Step-4: Set up following Custom Filters:

custom filter configuration

Note: The search strings (like analytis.js) that I have selected to find particular tags are based on the special characters which Screaming Frog SEO Spider can detect.

I am using the latest version of this crawler which is 3.3 and this version supports following special characters:

  1. = (equals to)
  2. / (slash)
  3. . (dot)
  4. – (dash)
  5. : (colon)
  6. ‘ (single quotation mark)

Screaming frog is not able to detect strings which contain any of the following special characters:

  1. _ (underscore)
  2. ( (parentheses)
  3. [ (bracket)
  4. ? (question mark)

Step-4: Now start the crawl and once the crawl is finished, click on the Custom tab on the right hand side:

custom tab

Under the ‘Filter’ drop down menu, you can see all the filters you setup before starting the crawl.

Select one of the filters from the drop down menu.

You can now filter out all those web pages which contain or do not contain your specified tags.

You can then download the list into excel by clicking on the ‘Export’ button and then update / remove the tag code from a page. 

Following is the list of tags along with their search string for easy reference:

Classic Google Analytics Tags

Tag Search String
1 GA traditional Tracking Code getTracker
2 GA asynchronous Tracking Code ga.js
3 Classic GA configurations gaq.push
4 Custom Variables setCustomVar
5 Traditional GA configuration pageTracker
6 Classic GA Ecommerce Tracking addTrans
7 GA Local currency setup currencyCode
8 GA Event Tracking trackEvent
9 Google Analytics Content Experiments //www.google-analytics.com/cx/api.js
10 GA Cross domain tracking – Traditional pageTracker._setDomainName (won’t work in screaming frog)
11 GA Cross domain tracking – Asynchronous setDomainName
12 GA Search Engine Configuration addOrganic
13 GA Session Timeout Configuration setSessionCookieTimeout
14 GA Campaigns Timeout Configuration setCampaignCookieTimeout
15 GA Referral exclusion Configuration addIgnoredRef
16 GA Search Terms exclusion Configuration addIgnoredOrganic
17 GA Social Interactions Tracking trackSocial
18 GA User Timings trackTiming
19 GA Enhanced link attribution pluginUrl
20 GA Content Group setPageGroup
21 Obsolete Google Analytics urchin.js

Universal Analytics Tags

Tag Search String
1 Universal Analytics Tracking Code analytics.js
2 UA Cookie Name Customization cookieDomain
3 UA Enhanced Link Attribution linkid.js
4 UA App / Screen Tracking screenview

‘appName’:

5 UA Cross Domain Tracking linkerParam
6 UA Cross Domain Auto Linking ‘require’, ‘linker’
7 Client ID clientId
8 Custom dimensions ‘dimension1′
9 Custom metric ‘metric1’
10 UA Advertising/Display Features ‘require’, ‘displayfeatures’
11 Multiple Trackers .send’, ‘pageview’
12 UA Ecommerce Tracking ‘require’, ‘ecommerce’
13 Enhanced Ecommerce Tracking ‘require’, ‘ec’
14 UA Event Tracking ‘send’, ‘event’
15 Exceptions Tracking ‘send’, ‘exception’
16 UA Plugins ‘require’,
17 UA Social Interactions ‘send’, ‘social’
18 User ID ‘userId’:
19 UA User Timings ‘send’, ‘timing’
20 UA Content Group ‘set’, ‘contentGroup

Other marketing Tags

Tag Search String
1 Google Adwords Remarketing var google_remarketing_only = true (won’t work in screaming frog)
2 Google Adwords Conversion Tracking var google_remarketing_only = false (won’t work in screaming frog)
3 Crazy Egg script.crazyegg.com
4 Kissmetrics //i.kissmetrics.com/i.js
5 Inspectlet //cdn.inspectlet.com/inspectlet.js
6 Facebook Conversion Tracking Facebook Conversion Code
7 Facebook Custom Audience ‘addPixelId’
8 Mix Panel cdn.mxpnl.com
9 Optimizely cdn.optimizely.com
10 Google Tag Manager gtm.js
11 GTM Data Layer dataLayer.push

var dataLayer

12 Adobe Site Catalyst assets.adobedtm
13 AdRoll adroll.com

Other article you will find useful: Cross domain tracking in Google Tag Manager

Other Articles on Specialised Tracking in Google Analytics

  1. Google Analytics Recurring Revenue and Subscriptions Tracking Guide
  2. How to track the impact of cookie consent on website traffic in Google Analytics
  3. Phone Call Tracking in Google Analytics and Beyond
  4. Scroll Tracking via Scroll Depth Trigger in Google Tag Manager
  5. Video Tracking via YouTube Video Trigger In Google Tag Manager
  6. Calculated Metrics in Google Analytics – Complete Guide
  7. The one thing that you don’t know about PayPal.com and the referral exclusion list
  8. Introduction to Postbacks in Google Analytics
  9. Creating Content Group in Google Analytics via tracking code using gtag.js
  10. Tracking Site Search without Query Parameter in Google Tag Manager
  11. Setting Up Site Search Tracking for POST based search engines in Google Analytics
  12. Tracking Site Search for GET-Based Search Engines in Google Analytics
  13. Understanding site search tracking in Google Analytics
  14. Tracking Virtual Pageviews in Google Tag Manager – Complete Guide
  15. Creating and using Site Search Funnel in Google Analytics
  16. Learn to Setup Facebook Pixel Tracking via Google Tag Manager
  17. How to use Keyword Hero to reveal Not Provided keywords in Google Analytics
  18. Guide to Event Tracking via Google Tag Manager
  19. Learn to track Qualified and Won leads in Google Analytics
  20. Creating your own Google Analytics Tag Auditing System
  21. Using multiple Google Analytics tracking codes on web pages
  22. Guide to Offline Conversion Tracking in Google Analytics
  23. Google Analytics and YouTube Integration Guide
  24. Complete Guide to Google Analytics for Facebook
  25. Tracking true referrals in Google Analytics when using PayPal and other payment gateways
  26. Virtual pageviews in Google Analytics – Complete Guide
  27. YouTube Video tracking via Google Tag Manager
  28. Implementing E-Commerce Tracking via Google Tag Manager
  29. Event Tracking in Google Analytics – Complete Guide
  30. E-Commerce Tracking in Google Analytics – Complete Guide
  31. Google Analytics Cross Domain Tracking Explained Like Never Before
  32. Google Analytics Social Tracking – Twitter, Facebook, Google Plus and LinkedIn
  33. Setting up & Tracking AMP Pages in Google Analytics
  34. Setting up Sales Funnel across websites in Google Analytics
  35. Using Data Visualization to analyze the SEO Performance
  36. Tracking offline conversions in Google Adwords
  37. How to Correctly Measure Conversion Date & Time in Google Analytics
  38. Tracking Twitter and Linkedin Social Interactions in Google Analytics
  39. Implementing Scroll Tracking via Google Tag Manager
  40. Phone Call Tracking and ROI calculations – Champion’s Guide
  41. Google Analytics Cross Domain Tracking (ga.js)
  42. Open Graph Protocol for Facebook Explained with Examples
  43. How to Exclude URL Query Parameters in Google Analytics?
  44. Understanding Google Analytics Default Page Setting
  45. Implementing rollup reporting in Google Analytics
 

Do you know the difference between Digital Analytics and Google Analytics?


99.99% of course creators themselves don’t know the difference between Digital analytics, Google Analytics (GA) and Google Tag Manager (GTM).

So they are teaching GA and GTM in the name of teaching Digital analytics.

They just copy each other. Monkey see, monkey do.

But Digital analytics is not about GA, GTM.

It is about analyzing and interpreting data, setting up goals, strategies and KPIs.

It’s about creating strategic roadmap for your business.


Digital Analytics is the core skill. Google Analytics is just a tool used to implement ‘Digital Analytics’.

You can also implement ‘Digital analytics’ via other tools like ‘adobe analytics’, ‘kissmetrics’ etc.

Using Google Analytics without the good understanding of ‘Digital analytics’ is like driving around in a car, in a big city without understanding the traffic rules and road signs.

You are either likely to end up somewhere other than your destination or you get involved in an accident.


You learn data analysis and interpretation from Digital analytics and not from Google Analytics.

The direction in which your analysis will move, will determine the direction in which your marketing campaigns and eventually your company will move to get the highest possible return on investment.

You get that direction from ‘Digital analytics’ and not from ‘Google Analytics’.


You learn to set up KPIs, strategies and measurement framework for your business from ‘Digital analytics’ and not from ‘Google Analytics’.

So if you are taking a course only on 'Google Analytics’, you are learning to use one of the tools of ‘Digital analytics’. You are not learning the ‘Digital analytics’ itself.

Since any person can learn to use Google Analytics in couple of weeks, you do no get any competitive advantage in the marketplace just by knowing GA.

You need to know lot more than GA in order to work in digital analytics and marketing field.


So what I have done, if you are interested, is I have put together a completely free training that will teach you exactly how I have been able to leverage digital analytics to generate floods of news sales and customers and how you can literally copy what I have done to get similar results.

Here what You'll Learn On This FREE Web Class!


1) The number 1 reason why most marketers and business owners are not able to scale their advertising and maximise sales.

2) Why you won’t get any competitive advantage in the marketplace just by knowing Google Analytics.

3) The number 1 reason why conversion optimization is not working for your business.

4) How to advertise on any marketing platform for FREE with an unlimited budget.

5) How to learn and master digital analytics in record time.

 
 

My best selling books on Digital Analytics and Conversion Optimization

Maths and Stats for Web Analytics and Conversion Optimization
This expert guide will teach you how to leverage the knowledge of maths and statistics in order to accurately interpret data and take actions, which can quickly improve the bottom-line of your online business.

Master the Essentials of Email Marketing Analytics
This book focuses solely on the ‘analytics’ that power your email marketing optimization program and will help you dramatically reduce your cost per acquisition and increase marketing ROI by tracking the performance of the various KPIs and metrics used for email marketing.

Attribution Modelling in Google Analytics and Beyond
Attribution modelling is the process of determining the most effective marketing channels for investment. This book has been written to help you implement attribution modelling. It will teach you how to leverage the knowledge of attribution modelling in order to allocate marketing budget and understand buying behaviour.

Attribution Modelling in Google Ads and Facebook
This book has been written to help you implement attribution modelling in Google Ads (Google AdWords) and Facebook. It will teach you, how to leverage the knowledge of attribution modelling in order to understand the customer purchasing journey and determine the most effective marketing channels for investment.

Himanshu Sharma

Digital Marketing Consultant and Founder of Optimizesmart.com

Himanshu helps business owners and marketing professionals in generating more sales and ROI by fixing their website tracking issues, helping them understand their true customers purchase journey and helping them determine the most effective marketing channels for investment.

He has over 12 years experience in digital analytics and digital marketing.

He was nominated for the Digital Analytics Association's Awards for Excellence.

The Digital Analytics Association is a world renowned not-for-profit association which helps organisations overcome the challenges of data acquisition and application.

He is the author of four best-selling books on analytics and conversion optimization:

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