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Document DAP Scan #16

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54fc3a9
1134: Create first round of DAP scan documentation
luke-at-flexion Sep 12, 2024
69cc6e7
1134: Create first round of DAP scan documentation
luke-at-flexion Sep 12, 2024
8026864
1134: Further refine DAP scan documentation
luke-at-flexion Sep 12, 2024
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1134: Further refine DAP scan documentation
luke-at-flexion Sep 12, 2024
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20 changes: 20 additions & 0 deletions pages/dap_scan.md
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### Digital Analytics Program (DAP) Scan
The [DAP scan](https://github.com/GSA/site-scanning-engine/blob/main/libs/core-scanner/src/scans/dap.ts) checks if a website reports its statistics to the federal Data Analytics Program, which collects data from government sites. It also provides additional details like script settings and Google Analytics IDs.

#### What We Report:
- `dapDetected`: Tells if the DAP script or a specific Google Analytics property was found.
- `dapParameters`: Lists the settings used in the DAP script.
- `dapVersion`: Shows the version of the DAP script, if detected.
- `gaTagIds`: Lists all Google Analytics tags found in the site's outgoing requests.

#### How We Check:
- **Build GA Tag List:**
- Look at all outgoing requests to find Google Analytics tags. We check URLs and any data sent through forms, then list the tags we find.
- **Find DAP Script Candidates:**
- Search through outgoing requests to see if we can find the DAP script or a specific Google Analytics ID. Save potential matches for closer inspection.
- **Analyze Candidates:**
- Examine the potential matches to get detailed information and find the best one.
- **Choose the Best Match:**
- Check each candidate to see which one best fits the criteria, starting with the most specific and moving to broader checks.
- **Report Results:**
- Once the analysis is complete, we provide the final results.