Google Analytics is a powerful tool that tracks and analyzes website traffic for informed marketing decisions.
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_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
Remarkable.
Sacks’ reaction to reading this: ‘How dare you question my integrity. Spot on, bastard.’
I remember the lunch when we discussed my review–very tense. I couldn’t bring myself to back down. He said it was the review that hurt him the most. Book review drama. I was glad when I could review him later without such misgivings. I like to think I pushed him in that direction. I was very fond of Oliver.
It’s strange that an evidently brilliant man would be hurt instead of gratified by being done an intellectual favor by another brilliant mind, being given accurate and incisive criticisms of the content and style of his work. Would he have preferred to keep making the same mistakes, or writing the same tacky sentences? Contrast Russell: “I feel a real and solid pleasure when anybody points out a fallacy in any of my views, because I care much less about my opinions than about their being true.”
I quite agree, but he had a lot of self-doubt. And no one likes a negative review. He did grudgingly admit that I had helped cure him of his intellectual vices.