Google Analytics is a powerful tool that tracks and analyzes website traffic for informed marketing decisions.
Service URL: policies.google.com (opens in a new window)
_gac_
Contains information related to marketing campaigns of the user. These are shared with Google AdWords / Google Ads when the Google Ads and Google Analytics accounts are linked together.
90 days
__utma
ID used to identify users and sessions
2 years after last activity
__utmt
Used to monitor number of Google Analytics server requests
10 minutes
__utmb
Used to distinguish new sessions and visits. This cookie is set when the GA.js javascript library is loaded and there is no existing __utmb cookie. The cookie is updated every time data is sent to the Google Analytics server.
30 minutes after last activity
__utmc
Used only with old Urchin versions of Google Analytics and not with GA.js. Was used to distinguish between new sessions and visits at the end of a session.
End of session (browser)
__utmz
Contains information about the traffic source or campaign that directed user to the website. The cookie is set when the GA.js javascript is loaded and updated when data is sent to the Google Anaytics server
6 months after last activity
__utmv
Contains custom information set by the web developer via the _setCustomVar method in Google Analytics. This cookie is updated every time new data is sent to the Google Analytics server.
2 years after last activity
__utmx
Used to determine whether a user is included in an A / B or Multivariate test.
18 months
_ga
ID used to identify users
2 years
_gali
Used by Google Analytics to determine which links on a page are being clicked
30 seconds
_ga_
ID used to identify users
2 years
_gid
ID used to identify users for 24 hours after last activity
24 hours
_gat
Used to monitor number of Google Analytics server requests when using Google Tag Manager
1 minute
Marketing leaders in the UK ask a timely question, how does Luciqo compare to other GEO optimizers when you need reliable, compliant results your teams can act on? This guide sets out practical criteria so you can benchmark any GEO solution, including how Luciqo can help teams apply best practice without overpromising.
Short answer: prioritise GEO partners and tools that enforce clear structure, evidence-backed content, and privacy-aware measurement. Luciqo can help teams apply this approach across content and ops, so you build durable GEO capability rather than a quick experiment.
Generative Engine Optimisation, GEO, means earning visibility in systems like AI Overviews by making content understandable, verifiable, and easy to cite. Clear structure, relevant sources, and compliant tracking are cornerstones of any comparison .
Key takeaways
What GEO optimisation means in practice
GEO is not gaming generative systems. It is structuring content so humans and machines can parse, summarise, and cite it confidently.
Clear headings improve comprehension for users and machines .
Structured data helps systems interpret entities and relationships, and can enable eligibility for enhanced presentation when correctly implemented . Google’s quality guidance also highlights E-E-A-T as a way to think about trustworthy information, which supports credible summarisation and citations . AI Overviews in Google Search summarise web information and may include links to relevant sources, so evidence and structure increase the chance of accurate inclusion .
Common pitfalls
Chasing screenshots instead of outcomes. Some teams fixate on a single AI Overview appearance, then struggle to repeat results because their pages lack durable structure and sources .
Accepting black-box scores. Proprietary indices with no link to headings, citations, or schema rarely translate into actions engineering and content teams can execute .
Overlooking compliance. If a GEO tool installs cookies or similar tech for measurement, many uses require consent under UK PECR and the UK GDPR framework, so select approaches that respect consent and data minimisation .
How to choose a provider
Start with your workflow. The best GEO optimizer for a UK CMO is the one your content, SEO, legal, and analytics teams can operate together, not just the one with the longest feature list.
Look for alignment with public guidance. Providers that encourage clean headings, robust internal links, and clear page purpose make it easier to maintain quality over time . Those that support or advise on structured data implementation can help search systems understand your pages more reliably .
Insist on transparent measurement. Ask how insights are derived, how often they are updated, and how they account for UK consent requirements if any on-site data collection is involved . A trustworthy method you can audit will beat novelty in the long run.
Definitions
Decision checklist
How Luciqo can help
Luciqo can help teams by focusing on durable practices your organisation can scale, rather than chasing one-off appearances. That includes frameworks your content, SEO, and legal teams can adopt together.
Learn more about Luciqo.
Conclusion
Comparing GEO optimizers in the UK is simpler when you focus on structure, evidence, and compliant measurement. Choose partners that make these habits routine, then measure what your teams can actually repeat. Luciqo can help your organisation build that operating model with confidence.
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