What’s the difference between first-party cookies and third-party cookies?

Written by Justin Foley in HubSpot Digital Advertising Certification Answers Last Updated December 15, 2022
  • First-party cookies are generated by visiting any website, third-party cookies are generated by downloadable apps
  • First-party cookies are generated when you launch an ad campaign, third-party cookies are generated when you launch any other marketing campaign
  • First-party cookies are generated by your own website, third-party cookies are generated by websites other than your own
  • First-party cookies tell you information about what websites a person visits, third-party cookies tell you information about what social media platforms a person uses

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link to How would you adapt this query to obtain cost and impression metrics by supply_source? SELECT device_type, operating_system, SUM(total_cost)/100000 AS total_cost_dollars, ((SUM(total_cost)/100000)/SUM(impressions))*1000 AS avg_cpm, SUM(impressions) AS impressions FROM dsp_impressions GROUP BY 1,2

How would you adapt this query to obtain cost and impression metrics by supply_source? SELECT device_type, operating_system, SUM(total_cost)/100000 AS total_cost_dollars, ((SUM(total_cost)/100000)/SUM(impressions))*1000 AS avg_cpm, SUM(impressions) AS impressions FROM dsp_impressions GROUP BY 1,2

SELECT supply_source, SUM(total_cost)/100000000 AS total_cost_dollars, ((SUM(total_cost)/100000000)/SUM(impressions))*1000 AS avg_cpm, SUM(impressions) AS impressions FROM dsp_inventory GROUP BY 1 ...

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