Google Analytics#Technology

Google Analytics is used to track website activity such as session duration, pages per session and the engagement rate of individuals using the site, along with the information on the source of the traffic. It can be integrated with Google Ads,{{Cite web|url=https://support.google.com/google-ads/answer/1704341?co=ADWORDS.IsAWNCustomer=false&hl=en|title=Link Google Analytics and Google Ads accounts - Previous - Google Ads Help|website=support.google.com|access-date=April 4, 2019}} with which users can create and review online campaigns by tracking landing page quality and conversions (key events). Goals might include sales, lead generation, viewing a specific page, or downloading a particular file. Google Analytics' approach is to show high-level, dashboard-type data for the casual user, and more in-depth data further into the report set. Google Analytics analysis can identify poorly performing pages with techniques such as funnel visualization, where visitors came from (referrers), how long they stayed on the website and their geographical position. It also provides more advanced features, including custom visitor segmentation.{{Citation | url = https://support.google.com/analytics/answer/3124493?hl=en | title = Build new segments | access-date = August 8, 2017}} Google Analytics e-commerce reporting can track sales activity and performance. The e-commerce reports show a site's transactions, revenue, and many other commerce-related metrics.{{Citation | url = https://support.google.com/analytics/answer/6014872?hl=en | title = Enhanced Ecommerce Reports | access-date = February 17, 2016}}

On September 29, 2011, Google Analytics launched Real-Time analytics, enabling a user to have insights about visitors currently on the site.{{cite web|url=https://analytics.googleblog.com/2011/09/whats-happening-on-your-site-right-now.html|title=What's happening on your site right now?}} A user can have 100 site profiles. Each profile generally corresponds to one website. It is limited to sites that have online traffic of fewer than 5 million page views per month (roughly 2 page-views per second) unless the site is linked to a Google Ads campaign.{{Cite web |title=Google Analytics Help: Does Google Analytics have a pageview limit? |url=https://support.google.com/analytics/answer/1070983?hl=en#zippy=%2Cin-this-article}} Google Analytics includes Google Website Optimizer, re-branded as Google Analytics Content Experiments.{{cite web|url=https://www.google.com/websiteoptimizer/|title=Website Optimizer|access-date=July 20, 2012}}{{cite web|last=Tzemah|first=Nir|title=Helping to Create Better Websites: Introducing Content Experiments|url=http://analytics.blogspot.com/2012/06/helping-to-create-better-websites.html|work=Google Analytics Blog|access-date=June 4, 2012}} Google Analytics' Cohort analysis helps in understanding the behavior of component groups of users apart from your user population. It is beneficial to marketers and analysts for the successful implementation of a marketing strategy.

The latest version of Google Analytics, commonly referred as GA4, encompasses additional features focusing on predictions, customizability, and privacy. Some of these features can be listed as:

• A new concept to allow the same property to be used both for website and mobile app,{{Cite web |title=[GA4] Measure activity across platforms - Analytics Help |url=https://support.google.com/analytics/answer/9213390 |access-date=April 17, 2022 |website=support.google.com}}{{Cite web |title=[GA4] Set up Analytics for a website and/or app - Analytics Help |url=https://support.google.com/analytics/answer/9304153 |access-date=April 17, 2022 |website=support.google.com}}
• AI-powered predictive metrics supported by machine learning,{{Cite web |title=[GA4] Predictive metrics - Analytics Help |url=https://support.google.com/analytics/answer/9846734 |access-date=April 17, 2022 |website=support.google.com}}{{Cite web |date=July 29, 2021 |title=Everything You Need to Know About Machine Learning in Google Analytics 4 |url=https://www.datadrivenu.com/machine-learning-google-analytics-4/ |access-date=April 17, 2022 |website=Data Driven U |language=en-US}}
• A customizable, easy-to-navigate homepage,{{Cite web |date=March 6, 2022 |title=Latest GA4 Updates & Tips & Tricks That You Will Love |url=https://analyzify.app/hub/latest-ga4-updates/ |access-date=April 17, 2022 |website=Analyzify Hub |language=en}}
• An Explore section to provide completely custom reports for specific business needs,{{Cite web |title=[GA4] Get started with Explorations - Analytics Help |url=https://support.google.com/analytics/answer/7579450 |access-date=April 17, 2022 |website=support.google.com}}
• A built-in DebugView to analyze and debug the upcoming data instantly,{{Cite web |date=May 10, 2020 |title=Validating Google Analytics 4 With Debug Mode |url=https://ken-williams.com/guide/installation/validating-google-analytics-4-with-debug-mode/ |access-date=April 17, 2022 |website=Ken Williams Blog}}
• Anomaly detection,{{Cite web |date=July 22, 2021 |title=7 GA4 Features That Will (Hopefully) Make You Hate It Less |url=https://www.searchenginejournal.com/useful-google-analytics-4-features/413920/ |access-date=April 17, 2022 |website=Search Engine Journal |language=en}}
• Improved e-commerce reports.{{Cite web |date=November 22, 2021 |title=Important GA4 eCommerce reports for Shopify Stores |url=https://analyzify.app/hub/ga4-ecommerce-reports-shopify/ |access-date=April 17, 2022 |website=Analyzify Hub |language=en}}
• Has feature to analysis user journey from behavior analysis section.

Google acquired Urchin Software Corp. in April 2005. Google's service was developed from Urchin on Demand. The system also brings ideas from Adaptive Path, whose product, Measure Map, was acquired and used in the redesign of Google Analytics in 2006.{{cite web|url=https://googleblog.blogspot.com/2006/02/here-comes-measure-map.html|title=Here comes Measure Map}} Google continued to sell the standalone, installable Urchin WebAnalytics Software through a network of value-added resellers until discontinuation on March 28, 2012.{{cite web | url = http://analytics.blogspot.com/2012/01/end-of-era-for-urchin-software.html | title = The End of an Era for Urchin Software | date = January 20, 2012 | first = Paul | last = Muret | publisher = Google Analytics | access-date = April 7, 2012 |archive-url=https://web.archive.org/web/20120413093651/https://www.google.com/urchin/ |archive-date=April 13, 2012 |url-status=dead}}{{cite web | url = https://www.google.com/urchin/ | title = The End of an Era for Urchin Software | first = Paul | last = Muret | publisher = Google Analytics | access-date = April 7, 2012 }} The Google-branded version was rolled out in November 2005 to anyone who wished to sign up. However, due to extremely high demand for the service, new sign-ups were suspended a week later. As capacity was added to the system, Google began using a lottery-type invitation-code model. Before August 2006, Google was sending out batches of invitation codes as server availability permitted; since mid-August 2006 the service has been fully available to all users – whether they use Google for advertising or not.{{Cite web|url=https://sites.google.com/site/zenbatetanola/02-google-analytics|title=Google Analytics - zenbatetanola|website=sites.google.com|access-date=March 17, 2016}}

The newer version of Google Analytics tracking code is known as the asynchronous tracking code,{{cite web | url = https://www.google.com/support/analytics/bin/answer.py?answer=161379 | title = Asynchronous Tracking Code }} which Google claims is more sensitive and accurate, and is able to track very short activities on the website. The previous version delayed page loading, and so, for performance reasons, it was generally placed just before the body close HTML tag. The new code can be placed between the ... HTML head tags because, once triggered, it runs in parallel with page loading.{{Cite web|url=http://online-behavior.com/analytics/google-tag-manager|title=Google Tag Manager: A Step-By-Step Guide {{!}} Analytics & Optimization|website=online-behavior.com|access-date=March 17, 2016|archive-date=March 17, 2016|archive-url=https://web.archive.org/web/20160317051844/http://online-behavior.com/analytics/google-tag-manager|url-status=dead}} In April 2011 Google announced the availability of a new version of Google Analytics featuring multiple dashboards, more custom report options, and a new interface design.{{cite web | url = http://analytics.blogspot.com/2011/04/new-google-analytics-available-to.html | title = The New Google Analytics Available to Everyone }} This version was later updated with some other features such as real-time analytics and goal flow charts.{{cite web | url = http://analytics.blogspot.com/2011/10/introducing-flow-visualization.html | title = Introducing Flow Visualization: visualizing visitor flow }} Instead of being "hit-based," like Universal Analytics, GA4 is "event-based."{{cite web | url = https://bradgerick.com/google-tag-manager/google-analytics-4-events-tracking-creation | title = Google Analytics 4 Events Tracking, Creation| date = April 8, 2022}}/

In October 2012 another new version of Google Analytics was announced, called Universal Analytics.{{cite web | url=http://analytics.blogspot.com/2012/10/universal-analytics.html | title=Re-imagining Google Analytics to support the versatile usage patterns of today's users}} The key differences from the previous versions were: cross-platform tracking, flexible tracking code to collect data from any device, and the introduction of custom dimensions and custom metrics.{{Cite web|url=https://support.google.com/analytics/answer/2790010?hl=en|title=About Universal Analytics - Analytics Help|website=support.google.com}}

In March 2016, Google released Google Analytics 360, which is a software suite that provides analytics on return on investment and other marketing indicators. Google Analytics 360 includes seven main products: Analytics, Tag Manager, Optimize, Data Studio, Surveys, Attribution, and Audience Center.{{cite web|url=https://www.blog.google/products/marketingplatform/360/introducing-google-analytics-360-suite/|title=Introducing the Google Analytics 360 suite|website=Google|last=Muret|first=Paul|date=March 15, 2016|access-date=October 7, 2018}}

In October 2017 a new methodology to collect data for Google Analytics was announced, called Global Site Tag, or gTag.js. Its stated purpose was to unify the tagging system to simplify implementation. This new tag type is an alternative to the existing Analytics.js tag type or Google Tag Manager.{{cite web | url=https://developers.google.com/analytics/devguides/collection/gtagjs/ | title=Add gtag.js to your site}}

In June 2018, Google introduced Google Marketing Platform, an online advertisement and analytics brand.{{Cite news|url=https://www.blog.google/technology/ads/new-advertising-brands/|title=Introducing simpler brands and solutions for advertisers and publishers|date=June 27, 2018|work=Google|access-date=July 27, 2018|language=en}} It consists of two former brands of Google, DoubleClick Digital Marketing and Google Analytics 360.{{Cite news|url=https://variety.com/2018/digital/news/google-doubleclick-adwords-rebranding-1202859088/|title=Google Killing Off DoubleClick, AdWords Names in Rebranding of Ad Products|last=Spangler|first=Todd|date=June 27, 2018|work=Variety|access-date=July 27, 2018|language=en-US}}

In October 2020, Google released Google Analytics 4, under the acronym GA4.{{cite web|url=https://blog.google/products/marketingplatform/analytics/new_google_analytics|title=Introducing the new Google Analytics|website=Google|last=Srinivasan|first=Vidhya|date=October 14, 2020|access-date=October 16, 2020}}

As of July 1, 2023, Universal Analytics ceased collecting new data, with Google Analytics 4 succeeding it as the primary analytics platform. Google had previously announced this transition in March 2022. While users had the option to use Universal Analytics up to the July 2023 deadline, no new data has been added to UA since its discontinuation.{{cite web|url=https://support.google.com/analytics/answer/11583528?hl=en|title=Universal Analytics discontinuation notice|website=Google|access-date=August 30, 2023}}

July 1, 2024: Standard Universal Analytics properties completely stopped processing data and users lost access to the interface and API. There is a one-time exception for Google Analytics 360 customers, whose access ends on that date as well.{{Cite web |title=Google Analytics 4 has replaced Universal Analytics - Analytics Help |url=https://support.google.com/analytics/answer/11583528?hl=en |access-date=2024-05-27 |website=support.google.com}}

{{More citations needed section|date=November 2007}}

Google Analytics is implemented with "page tags", in this case, called the Google Analytics Tracking Code,{{Cite web|url=https://www.matthewwoodward.co.uk/seo/reporting/google-analytics-event-tracking/?unapproved=2220589&moderation-hash=3f6ed00ccc19a7132d4fd61312754533#comment-2220589|title=How To Use Google Analytics Event Tracking|date=January 9, 2020|website=Matthew Woodward}} which is a snippet of JavaScript code that the website owner adds to every page of the website. The tracking code runs in the client browser when the client browses the page (if JavaScript is enabled in the browser) and collects visitor data and sends it to a Google data collection server as part of a request for a web beacon.{{Cite web|url=https://developers.google.com/analytics/resources/concepts/gaConceptsTrackingOverview|title=Tracking Code Overview | Google Analytics|website=Google Developers}}

The tracking code loads a larger JavaScript file from the Google web server and then sets variables with the user's account number.{{cite web |title=Example account structures - Analytics Help |url=https://support.google.com/analytics/answer/1102152?hl=en#zippy=%2Cin-this-article |website=support.google.com}} The larger file (currently known as ga.js) was typically 40 kB as of May 2018.

The file does not usually have to be loaded, however, due to browser caching. Assuming caching is enabled in the browser, it downloads ga.js only once at the start of the visit. Furthermore, as all websites that implement Google Analytics with the ga.js code use the same master file from Google, a browser that has previously visited any other website running Google Analytics will already have the file cached on their machine.

In addition to transmitting information to a Google server, the tracking code sets a first party cookie (If cookies are enabled in the browser) on each visitor's computer. This cookie stores anonymous information called the ClientId.{{cite web |url=https://developers.google.com/analytics/devguides/collection/analyticsjs/domains |title=Cookies and User Identification |website=developers.google.com}} Before the launch of Universal Analytics, there were several cookies storing information such as whether the visitor had been to the site before (new or returning visitor), the timestamp of the current visit, and the referrer site or campaign that directed the visitor to the page (e.g., search engine, keywords, banner, or email).

If the visitor arrived at the site by clicking on a link tagged with {{anchor|Urchin Traffic Monitor}}UTM parameters (Urchin Tracking Module) such as:

https://www.example.com/page?utm_content=buffercf3b2&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer

then the tag values are passed to the database too.

In addition, Google Analytics for Mobile Package allows Google Analytics to be applied to mobile websites. The Mobile Package contains server-side tracking codes that use PHP, JavaServer Pages, ASP.NET, or Perl for its server-side language.{{cite web|url=http://code.google.com/intl/en/mobile/analytics/docs/web/ |title=Google Analytics for Mobile package |url-status=dead |archive-url=https://archive.today/20130124153755/http://code.google.com/intl/en/mobile/analytics/docs/web/ |archive-date=January 24, 2013 }} However, many ad filtering programs and extensions such as Firefox's Enhanced Tracking Protection,{{Cite web|url=https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop#w_what-enhanced-tracking-protection-blocks|title=Enhanced Tracking Protection in Firefox for desktop {{!}} Firefox Help|website=support.mozilla.org|access-date=March 26, 2020}} the browser extension NoScript and the mobile phone app Disconnect Mobile can block the Google Analytics Tracking Code. This prevents some traffic and users from being tracked and leads to holes in the collected data. Also, privacy networks like Tor will mask the user's actual location and present inaccurate geographical data. A small fraction of users do not have JavaScript-enabled/capable browsers or turn this feature off.{{Cite web|url=https://blockmetry.com/blog/javascript-disabled|title=What percentage of browsers with javascript disabled? - Blockmetry|website=blockmetry.com|access-date=June 7, 2019|archive-date=April 26, 2019|archive-url=https://web.archive.org/web/20190426002333/https://blockmetry.com/blog/javascript-disabled|url-status=dead}} These limitations, mainly ad filtering programs, can allow a significant number—sometimes the majority—of visitors to avoid the tracker.{{Cite book|last1=Chetty|first1=Marshini|last2=Narayanan|first2=Arvind|last3=Vitak|first3=Jessica|author3-link=Jessica Vitak |last4=Mathur|first4=Arunesh|date=2018|title=Characterizing the Use of Browser-Based Blocking Extensions To Prevent Online Tracking|url=https://www.usenix.org/conference/soups2018/presentation/mathur|language=en|pages=103–116|isbn=9781939133106}}

One potential impact on data accuracy comes from users deleting or blocking Google Analytics cookies.{{cite web | url = http://www.advanced-web-metrics.com/blog/2008/02/16/accuracy-whitepaper/ | title = Accuracy Whitepaper for web analytics | author = Brian Clifton}} Without cookies being set, Google Analytics cannot collect data.{{Cite web|title=Cookies and User Identification {{!}} Analytics for Web (analytics.js)|url=https://developers.google.com/analytics/devguides/collection/analyticsjs/cookies-user-id|access-date=January 28, 2021|website=Google Developers|language=en}} Any individual web user can block or delete cookies resulting in the data loss of those visits for Google Analytics users. Website owners can encourage users not to disable cookies by, for example, making visitors more comfortable using the site through posting a privacy policy. As a user navigates between web pages, Google Analytics provides website owners JavaScript tags (libraries) to record information about the page a user has seen, for example the URL of the page. Google analytics JavaScript libraries uses HTTP cookies, with which it remembers what a user has done on previous pages and his interactions.{{cite web |title=Google Analytics Cookie Usage on Websites |url=https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage |website=Google Analytics |publisher=Google Inc. |access-date=May 31, 2021}}

Another limitation of Google Analytics for large websites is the use of sampling in the generation of many of its reports. To reduce the load on their servers and to provide users with a relatively quick response to their query, Google Analytics limits reports to 500,000 randomly sampled sessions at the profile level for its calculations. While margins of error are indicated for the visits metric, margins of error are not provided for any other metrics in the Google Analytics reports. For small segments of data, the margin of error can be very large.{{cite web|url=http://www.epikone.com/blog/2009/04/21/segmentation-options-in-google-analytics/ |title=Segmentation Options in Google Analytics |url-status=usurped |archive-url=https://web.archive.org/web/20090622173444/http://www.epikone.com/blog/2009/04/21/segmentation-options-in-google-analytics/ |archive-date=June 22, 2009 }}

One of the biggest limitation of Google Analytics, is its inability to track and attribute offline conversions. Offline conversion tracking is required to measure the impact of online marketing campaigns in "offline" environments, such as Point of Sale, Call Centers, Affiliate Networks, or payment gateways. Since Google Analytics is a JavaScript tag set on a website, when the visitor switch from the website environment to a phone conversation, the tracking is lost, and the "call center" activity can not be directly linked to the initial visit or visitor. Third-party tools integrated with Google Analytics, are now capable of tracking customer journey from online to offline environments.{{Cite web|date=January 5, 2021|title=What affiliate marketers have missed about Google Analytics|url=https://www.searchenginewatch.com/2021/01/05/what-affiliate-marketers-have-missed-about-google-analytics/|access-date=September 9, 2021|website=Search Engine Watch|language=en-US}}

There have been several online discussions about the impact of Google Analytics on site performance.{{cite web|url=https://groups.google.com/group/analytics-help-basics/browse_thread/thread/62997a00d5a50406?pli=1|title=Google Groups}}{{cite web|url=http://www.analyticsmarket.com/blog/tracking-code-slows-my-site|title=Google Analytics Code is Slowing Down My Site - Analytics Market|date=January 27, 2019}}{{cite web|url=http://www.woopra.com/blog/2009/02/04/is-google-analytics-slow-or-not/|title=Is Google Analytics Slow or Not? — Woopra|date=February 4, 2009|access-date=August 8, 2010|archive-url=https://web.archive.org/web/20100215174004/http://www.woopra.com/blog/2009/02/04/is-google-analytics-slow-or-not/|archive-date=February 15, 2010|url-status=dead}} However, Google introduced asynchronous JavaScript code in December 2009 to reduce the risk of slowing the loading of pages tagged with the ga.js script.{{cite web|url=http://googlecode.blogspot.com/2009/12/google-analytics-launches-asynchronous.html|title=Google Analytics Launches Asynchronous Tracking - The official Google Code blog|date=December 1, 2009}}{{cite web|url=https://analytics.googleblog.com/2010/04/making-web-faster.html|title=Making the Web Faster}}

{{main|Browser security|Privacy concerns regarding Google}}

Due to its ubiquity, Google Analytics raises some privacy concerns. Whenever someone visits a website that uses Google Analytics, Google tracks that visit via the user's IP address in order to determine the user's approximate geographic location. To meet German legal requirements, Google Analytics can anonymize the IP address.{{cite web |url=https://developers.google.com/analytics/devguides/collection/gajs/methods/gaJSApi_gat#_gat._anonymizeIp |title=Tracking Code: The _gat Global Object |date=January 24, 2012 |access-date=June 27, 2012}} Google has also released a browser plug-in that turns off data about a page visit being sent to Google, however, this browser extension is not available for mobile browsers.{{cite news |url=https://www.pcmag.com/article2/0,2817,2364174,00.asp | title = Opt Out of Google Analytics Data Gathering With New Beta Tool | first = Chloe | last = Albanesius | date = May 25, 2010 | work=PC Magazine }}{{cite web |url=http://analytics.blogspot.jp/2010/05/greater-choice-and-transparency-for.html | title = Greater choice and transparency for Google Analytics | date = May 25, 2010 }} Since this plug-in is produced and distributed by Google itself, it has met much discussion and criticism. Furthermore, the realization of Google scripts tracking user behavior has spawned the production of multiple, often open-source, browser plug-ins to reject tracking cookies.{{cite web |url=http://noscript.net/ | title = The NoScript Firefox extension provides extra protection for Firefox, Flock, Seamonkey, and other Mozilla-based browsers }} These plug-ins allow users to block Google Analytics and similar sites from tracking their activities. Many browsers allow users to reject third-party cookies and tracking scripts, in some cases this is the default option.

It has been anecdotally reported that errors can occur behind proxy servers and multiple firewalls, changing timestamps and registering invalid searches.{{cite news |url=https://www.forbes.com/2008/12/11/virus-filter-avira-tech-security-cx_ag_1211virus.html | title = The Virus Filters | date = December 11, 2008 | first = Andy | last = Greenberg | work = Forbes }} Webmasters who seek to mitigate Google Analytics' specific privacy issues can employ a number of alternatives having their backends hosted on their own machines. Until its discontinuation, an example of such a product was Urchin WebAnalytics Software from Google itself. On January 20, 2015, the Associated Press reported that HealthCare.gov was providing access to enrollees' personal data to private companies that specialized in advertising, mentioning Google Analytics specifically.{{Cite web |url=http://bigstory.ap.org/article/31490a20926d4ed3b98ff2d0ed8fc81d/new-privacy-concerns-over-governments-health-care-website |title=Government health care website quietly sharing personal data. Associated Press |access-date=January 31, 2015 |archive-date=July 14, 2015 |archive-url=https://web.archive.org/web/20150714061716/http://bigstory.ap.org/article/31490a20926d4ed3b98ff2d0ed8fc81d/new-privacy-concerns-over-governments-health-care-website |url-status=dead }} Additionally, in 2022, countries such as Austria, France, and Italy have prohibited the service which lets webmaster tools track and analyze their site traffic. The government stated in its decisions that information are collected via cookies and transmitted to the United States could potentially be seen by third parties and the government which could breach GDPR as users are not ensured due process for redress.{{cite web|title= Google Analytics is losing track of millions of users as regulators ban the service|url=https://www.androidpolice.com/google-analytics-gdpr-eu-violation/|website=Android Police|date=June 27, 2022|author=Jules Wang|access-date=June 27, 2022}}

The new version of Google Analytics, also known as GA4, is equipped with deeper anonymization of user data through which the GA4 anonymizes IP addresses of all users by default, meaning it's not possible to perform any changes for this setting.{{Cite web |title=Privacy Features in Google Analytics 4 Properties {{!}} Bounteous |url=https://www.bounteous.com/insights/2021/09/29/privacy-features-google-analytics-4-properties/ |access-date=April 17, 2022 |website=www.bounteous.com |language=en}}

Google offers training for Google Analytics 4 (GA4) through its Skillshop platform, which includes four courses and a certification as of August 2024.{{cite web |title=[GA4] Enroll in Analytics Academy courses on Skillshop |url=https://support.google.com/analytics/answer/15068052}} For developers and those seeking in-depth technical details, Google provides detailed GA4 documentation.{{cite web |title=Google Analytics 4 Documentation |url=https://developers.google.com/analytics/devguides/collection/ga4}} Announcements related to updates and new features for GA4 are made on the Google Marketing Platform Blog.{{cite web |title=Google Marketing Platform Blog |url=https://blog.google/products/marketingplatform/analytics/}} Support for enterprise-level users is accessible via the Google Enterprise Marketing Portal.{{cite web |title=Google Enterprise Marketing Portal |url=https://enterprisemarketingportal.google/}} The official Google Analytics YouTube channel also hosts a range of video tutorials and insights.{{cite web |title=Google Analytics YouTube Channel |website=YouTube |url=https://www.youtube.com/user/googleanalytics}}

The Google Analytics API{{cite web|url=https://developers.google.com/analytics/devguides/|title=Google Analytics - Google Developers}} is used by third parties to build custom applications{{cite web|url=https://www.google.com/analytics/apps/results?q=google%20analytics%20api%20applications|title=Apps - Google Analytics Partner Services and Technologies}} such as reporting tools. Many such applications exist. One was built to run on iOS (Apple) devices and is featured in Apple's app store.{{cite web | title = Analytics by Net Conversion |website = iTunes| url = https://itunes.apple.com/us/app/analytics-by-net-conversion/id421164239?mt=8 | archive-url = https://web.archive.org/web/20120626020445/http://itunes.apple.com/us/app/analytics-by-net-conversion/id421164239?mt=8 | url-status = dead | archive-date = June 26, 2012 }} There are some third-party products that also provide Google Analytics-based tracking.{{cite web|url=http://blog.lakmali.com/2012/12/google-analytics-tracking-for-wso2-api.html|title=Google Analytics Tracking for WSO2 API Manager|date=December 20, 2012 }} The Management API, Core Reporting API, MCF Reporting API, and Real Time Reporting API are subject to limits and quotas.{{cite web|url=https://developers.google.com/analytics/devguides/config/mgmt/v3/limits-quotas|title=API Limits and Quotas - Analytics Management API - Google Developers}}

Google Analytics is the most widely used website statistics service. In May 2008, Pingdom released a survey stating that 161 of the 500 (32%) biggest sites globally according to their Alexa rank were using Google Analytics.{{cite web|publisher=Pingdom|url=http://royal.pingdom.com/2008/05/28/google-analytics-dominate-the-top-500-websites/|title=Google Analytics dominates the top 500 websites|access-date=July 17, 2012|date=May 28, 2008|archive-date=July 16, 2012|archive-url=https://web.archive.org/web/20120716031212/http://royal.pingdom.com/2008/05/28/google-analytics-dominate-the-top-500-websites/|url-status=dead}}{{Cite web|url=https://www.frikipandi.com/internet/20140403/la-terminologia-de-google-analytics-marketing-seo/|title=La terminología de Google Analytics #marketing #seo|date=April 3, 2014|website=Frikipandi - Web de Tecnología - Lo más Friki de la red.}}

A later piece of market share analysis claimed that Google Analytics was used by around 49.95% of the top 1,000,000 websites (as ranked in 2010 by Alexa Internet).{{cite web|url=http://metricmail.tumblr.com/post/904126172/google-analytics-market-share |title=Google Analytics Market Share |publisher=MetricMail |access-date=August 21, 2010 |url-status=dead |archive-url=https://web.archive.org/web/20100827225233/http://metricmail.tumblr.com/post/904126172/google-analytics-market-share |archive-date=August 27, 2010 }}

In 2012, its use was around 55% of the 10,000 most popular websites.{{cite web|url=https://techcrunch.com/2012/04/12/google-analytics-officially-at-10m |title= Google Biz Chief: Over 10M Websites Now Using Google Analytics |date= April 12, 2012 |publisher=TechCrunch |access-date=April 25, 2012}} And as of April 2022, Google Analytics was used by 73.7% of the 10,000 most popular websites ordered by popularity, as reported by BuiltWith.{{cite web|url=http://trends.builtwith.com/analytics/Google-Analytics|title=Google Analytics Usage Statistics}}

As of August 2023, the newer version, Google Analytics 4 (GA4), is used by approximately 13.5 million websites.{{cite web |date=August 2023 |title=Google Analytics 4 (GA4) Usage Statistics |url=https://ga4.com/ga4-stats}}

• {{annotated link|Google Search Console}}
• {{annotated link|Google Trends}}
• {{annotated link|List of web analytics software}}

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• {{official website|https://www.google.com/analytics/}}
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