ListeningKitw3ReportingReports
| Domain | telemetry |
| Kind | endpoint |
| doc_id | — |
| Path | w3-reporting.reddit.com/reports |
| Sends | — |
| Reads | — |
| Called from | runs/inspect/20261025T124815_MaleficentTry8338/script0.js:50 Zh |
| rea | ev_a0900cc4da1ca39914046767a7b89709c1d1bec48228118e051e5982c6469e97 |
Seen 7 time(s) in 1 run(s).
| Action | Our step | Times | Status | Took | After step start | Errors |
|---|---|---|---|---|---|---|
| inspect | step 1: goto / | 1 | 0 | 413 ms | 5883 ms | — |
| inspect | step 3: goto /r/AskReddit/ | 1 | 0 | 430 ms | 7910 ms | — |
| inspect | step 5: goto /search/ | 1 | 0 | 490 ms | 4164 ms | — |
| inspect | step 6: goto /r/AskReddit/comments/1x8sr8s/whats_a_high_paying_but_soul_crushing_career_th | 1 | 0 | 363 ms | 3957 ms | — |
| inspect | step 10: goto /user/Maleficent-Try-8338/ | 1 | 0 | 414 ms | 4152 ms | — |
| inspect | step 11: goto /notifications | 1 | 0 | 410 ms | 4537 ms | — |
| inspect | step 12: goto /r/popular/ | 1 | 0 | 313 ms | 3913 ms | — |
What it sent and what came back (the newest 3 from our runs)
Read from each run's own recording (rule 73), secrets and signed link tokens taken out. Kept in ~/.logCli/rea/clientFacts.json, so it stays after the run is pruned.
runs/inspect/20261025T124815_MaleficentTry8338, step 1: goto /: 0, 413 ms
Sent:
"[{\"age\":2716,\"type\":\"reddit-w3reporting\",\"url\":\"\",\"user_agent\":\"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/156.0.0.0 Safari/537.36\",\"body\":{\"sampling_fraction\":0.99,\"type\":\"counter\",\"name\":\"shreddit_page_views\",\"value\":1,\"labels\":{\"auth_state\":\"logged_in\",\"browser\":\"chrome\",\"deployment_type\":\"main\",\"device_type\":\"desktop\",\"page_type\":\"home\",\"referrer_ty… (415 chars)"Answered:
nullruns/inspect/20261025T124815_MaleficentTry8338, step 3: goto /r/AskReddit/: 0, 430 ms
Sent:
"[{\"age\":2794,\"type\":\"reddit-w3reporting\",\"url\":\"\",\"user_agent\":\"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/156.0.0.0 Safari/537.36\",\"body\":{\"sampling_fraction\":0.99,\"type\":\"counter\",\"name\":\"shreddit_page_views\",\"value\":1,\"labels\":{\"auth_state\":\"logged_in\",\"browser\":\"chrome\",\"deployment_type\":\"main\",\"device_type\":\"desktop\",\"page_type\":\"community\",\"referr… (420 chars)"Answered:
nullruns/inspect/20261025T124815_MaleficentTry8338, step 5: goto /search/: 0, 490 ms
Sent:
"[{\"age\":2522,\"type\":\"reddit-w3reporting\",\"url\":\"\",\"user_agent\":\"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/156.0.0.0 Safari/537.36\",\"body\":{\"sampling_fraction\":0.99,\"type\":\"counter\",\"name\":\"shreddit_page_views\",\"value\":1,\"labels\":{\"auth_state\":\"logged_in\",\"browser\":\"chrome\",\"deployment_type\":\"main\",\"device_type\":\"desktop\",\"page_type\":\"search_results\",\"r… (425 chars)"Answered:
nullWhat it does
Sends Reddit's W3 reports, lists of reddit-w3reporting counters and timings such as shreddit_page_views, each with a sampling_fraction of 0.99, to w3-reporting.reddit.com/reports. rea read its code (ev_a0900cc4da1ca39914046767a7b89709c1d1bec48228118e051e5982c6469e97): Zh() queues each report and flushes a batch every 3 s, waiting longer after each failure (i*Math.exp(a.attempt)), sends time-sensitive reports in their own queue, and flushes whatever is left when the tab is hidden (visibilitychange). The page-speed handler in shreddit-app feeds it through handleWebVitalW3Reporting (see svcShredditPerfmetrics). It fired once on every page we opened, 3.9 to 7.9 s after the goto.
What our machine does with it
log-cli's Reddit platform has only log reddit session check (the direct-API engine, with no Reddit client vendored yet) and log inspect on the account's AdsPower browser with no proxy (rule 84). This call carries Reddit's own analytics, and our runs leave it to the browser: nothing waits on it, inspect only records it and names it in each step's exchanges.json, and SubQ sees it with the rest of the step.
What can go wrong
Every recorded fetch ended with status 0, never completing (net::ERR_ABORTED in the step's HAR), though the same HAR holds other POSTs to this path, without the fetch's headers, that answered 200. When a send fails, $h() reads the answer's invalid list if there is one and reports "Failed to send W3 reports" with the status to Reddit's error tracker (Sentry); nothing is retried. Only Reddit's numbers are lost, and nothing changes for a run.