气泡减阻可降低摩擦阻力，从而减少燃油成本和排放。
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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)
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Description
Duration
__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)
_gat
Used to monitor number of Google Analytics server requests when using Google Tag Manager
1 minute
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24 hours
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2 years
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Used by Google Analytics to determine which links on a page are being clicked
30 seconds
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ID used to identify users
2 years
__utmx
Used to determine whether a user is included in an A / B or Multivariate test.
18 months
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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
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6 months after last activity
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30 minutes after last activity
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Used to monitor number of Google Analytics server requests
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ID used to identify users and sessions
2 years after last activity
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90 days
Clarity is a web analytics service that tracks and reports website traffic.
Service URL: clarity.microsoft.com (opens in a new window)
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Description
Duration
_clck
Persists the Clarity User ID and preferences, unique to that site is attributed to the same user ID.
12 months
ANONCHK
Indicates whether MUID is transferred to ANID, a cookie used for advertising. Clarity doesn't use ANID and so this is always set to 0.
Session
_clsk
Connects multiple page views by a user into a single Clarity session recording.
12 months
CLID
Identifies the first-time Clarity saw this user on any site using Clarity.
12 months
Marketing cookies are used to follow visitors to websites. The intention is to show ads that are relevant and engaging to the individual user.
LinkedIn Insight is a web analytics service that tracks and reports website traffic.
Service URL: www.linkedin.com (opens in a new window)
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Description
Duration
lang
Used to remember language settings.
Session
lidc
Used for routing and session management.
24 hours
liap
Used for authentication of LinkedIn members.
90 days
li_oatml
Used for identifying LinkedIn Members for advertising and analytics.
30 days
li_sugr
Used to make a probabilistic match of a user's identity.
90 days
li_fat_id
Used for member indirect identifier for conversion tracking.
30 days
