Privacy 2025 queries

sql/2024/privacy/number_of_websites_with_related_origin_trials.sql

@@ -1,24 +1,28 @@
 # Pages that participate in the privacy-relayed origin trials
-CREATE TEMP FUNCTION `DECODE_ORIGIN_TRIAL`(token STRING) RETURNS STRING DETERMINISTIC AS (
-  SAFE_CONVERT_BYTES_TO_STRING(SUBSTR(SAFE.FROM_BASE64(token), 70))
-);
-
-CREATE TEMP FUNCTION `PARSE_ORIGIN_TRIAL`(token STRING)
-RETURNS STRUCT<
+CREATE TEMP FUNCTION `PARSE_ORIGIN_TRIAL`(token STRING) RETURNS STRUCT<
   token STRING,
   origin STRING,
   feature STRING,
   expiry TIMESTAMP,
   is_subdomain BOOL,
   is_third_party BOOL
-> AS (
-  STRUCT(
-    DECODE_ORIGIN_TRIAL(token) AS token,
-    JSON_VALUE(DECODE_ORIGIN_TRIAL(token), '$.origin') AS origin,
-    JSON_VALUE(DECODE_ORIGIN_TRIAL(token), '$.feature') AS feature,
-    TIMESTAMP_SECONDS(CAST(JSON_VALUE(DECODE_ORIGIN_TRIAL(token), '$.expiry') AS INT64)) AS expiry,
-    JSON_VALUE(DECODE_ORIGIN_TRIAL(token), '$.isSubdomain') = 'true' AS is_subdomain,
-    JSON_VALUE(DECODE_ORIGIN_TRIAL(token), '$.isThirdParty') = 'true' AS is_third_party
+>
+DETERMINISTIC AS (
+  (
+    WITH decoded_token AS (
+      SELECT SAFE_CONVERT_BYTES_TO_STRING(SUBSTR(SAFE.FROM_BASE64(token), 70)) AS decoded
+    )
+
+    SELECT
+      STRUCT(
+        decoded AS token,
+        JSON_VALUE(decoded, '$.origin') AS origin,
+        JSON_VALUE(decoded, '$.feature') AS feature,
+        TIMESTAMP_SECONDS(CAST(JSON_VALUE(decoded, '$.expiry') AS INT64)) AS expiry,
+        JSON_VALUE(decoded, '$.isSubdomain') = 'true' AS is_subdomain,
+        JSON_VALUE(decoded, '$.isThirdParty') = 'true' AS is_third_party
+      )
+    FROM decoded_token
   )
 );
 

sql/2025/privacy/bounce_domains_top.sql

@@ -0,0 +1,78 @@
+-- noqa: disable=PRS
+-- Detection logic explained:
+-- https://github.com/privacycg/proposals/issues/6
+-- https://github.com/privacycg/nav-tracking-mitigations/blob/main/bounce-tracking-explainer.md
+
+WITH redirect_requests AS (
+  FROM `httparchive.crawl.requests`
+  |> WHERE
+    date = '2025-07-01' AND
+    --rank = 1000 AND
+    SAFE.INT64(summary.status) BETWEEN 300 AND 399 AND
+    index <= 2
+  |> JOIN UNNEST(response_headers) AS header
+  |> WHERE LOWER(header.name) = 'location'
+  |> SELECT
+    client,
+    url,
+    index,
+    NET.REG_DOMAIN(header.value) AS location_domain,
+    root_page
+),
+
+-- Find the first navigation redirect
+navigation_redirect AS (
+  FROM redirect_requests
+  |> WHERE
+    index = 1 AND
+    NET.REG_DOMAIN(root_page) = NET.REG_DOMAIN(url) AND
+    NET.REG_DOMAIN(url) != location_domain
+  |> SELECT
+    client,
+    root_page,
+    location_domain AS bounce_domain
+),
+
+-- Find the second navigation redirect
+bounce_redirect AS (
+  FROM redirect_requests
+  |> WHERE
+    index = 2 AND
+    NET.REG_DOMAIN(root_page) != NET.REG_DOMAIN(url) AND
+    NET.REG_DOMAIN(url) != location_domain
+  |> SELECT
+    client,
+    url,
+    root_page,
+    location_domain AS bounce_redirect_location_domain
+),
+
+-- Combine the first and second navigation redirects
+bounce_sequences AS (
+  FROM navigation_redirect AS nav
+  |> JOIN bounce_redirect AS bounce
+  ON
+    nav.client = bounce.client AND
+    nav.root_page = bounce.root_page
+  |> AGGREGATE COUNT(DISTINCT nav.root_page) AS websites_count
+  GROUP BY nav.client, bounce_domain
+),
+
+websites_total AS (
+  FROM `httparchive.crawl.pages`
+  |> WHERE date = '2025-07-01' --AND rank = 1000
+  |> AGGREGATE COUNT(DISTINCT root_page) AS total_websites GROUP BY client
+)
+
+FROM bounce_sequences
+|> JOIN websites_total USING (client)
+|> EXTEND websites_count / total_websites AS websites_pct
+|> DROP total_websites
+|> PIVOT(
+  ANY_VALUE(websites_count) AS cnt,
+  ANY_VALUE(websites_pct) AS pct
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME pct_mobile AS mobile, pct_desktop AS desktop, cnt_mobile AS mobile_count, cnt_desktop AS desktop_count
+|> ORDER BY COALESCE(mobile_count, 0) + COALESCE(desktop_count, 0) DESC
+|> LIMIT 100

sql/2025/privacy/client_hints_top.sql

@@ -0,0 +1,44 @@
+-- noqa: disable=PRS
+WITH totals AS (
+  FROM `httparchive.crawl.pages`
+  |> WHERE date = '2025-07-01' AND is_root_page --AND rank = 1000
+  |> AGGREGATE COUNT(*) AS total_websites GROUP BY client
+),
+
+/* Get Accept-CH Headers */
+headers AS (
+  FROM `httparchive.crawl.requests`
+  |> WHERE date = '2025-07-01' AND is_root_page AND is_main_document --AND rank = 1000
+  |> JOIN UNNEST(response_headers) AS header
+  |> WHERE LOWER(header.name) = 'accept-ch'
+  |> LEFT JOIN UNNEST(SPLIT(LOWER(header.value), ',')) AS header_value
+  |> SELECT client, root_page, header_value
+
+),
+
+/* Get Accept-CH Meta Tags */
+meta_tags AS (
+  FROM `httparchive.crawl.pages`
+  |> WHERE date = '2025-07-01' AND is_root_page --AND rank = 1000
+  |> JOIN UNNEST(JSON_QUERY_ARRAY(custom_metrics.other.almanac.`meta-nodes`.nodes)) AS meta_node
+  |> EXTEND LOWER(SAFE.STRING(meta_node.`http-equiv`)) AS tag_name
+  |> WHERE tag_name = 'accept-ch'
+  |> LEFT JOIN UNNEST(SPLIT(LOWER(SAFE.STRING(meta_node.content)), ',')) AS tag_value
+  |> SELECT client, root_page, tag_value
+)
+
+FROM headers
+|> FULL OUTER JOIN meta_tags USING (client, root_page)
+|> JOIN totals USING (client)
+|> EXTEND TRIM(COALESCE(header_value, tag_value)) AS value
+|> AGGREGATE
+COUNT(DISTINCT root_page) AS number_of_websites,
+COUNT(DISTINCT root_page) / ANY_VALUE(total_websites) AS pct_websites
+GROUP BY client, value
+|> PIVOT(
+  ANY_VALUE(number_of_websites) AS websites_count,
+  ANY_VALUE(pct_websites) AS pct
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME pct_mobile AS mobile, pct_desktop AS desktop
+|> ORDER BY COALESCE(websites_count_desktop, 0) + COALESCE(websites_count_mobile, 0) DESC

sql/2025/privacy/client_hints_usage.sql

@@ -0,0 +1,54 @@
+-- noqa: disable=PRS
+WITH base_totals AS (
+  SELECT
+    client,
+    COUNT(DISTINCT root_page) AS total_websites
+  FROM `httparchive.crawl.pages`
+  WHERE date = '2025-07-01'
+    --AND rank = 1000
+  GROUP BY client
+),
+
+accept_ch_headers AS (
+  SELECT DISTINCT
+    client,
+    root_page
+  FROM `httparchive.crawl.requests`,
+    UNNEST(response_headers) response_header
+  WHERE
+    date = '2025-07-01' AND
+    is_main_document = TRUE AND
+    --rank = 1000 AND
+    LOWER(response_header.name) = 'accept-ch'
+),
+
+accept_ch_meta AS (
+  SELECT DISTINCT
+    client,
+    root_page
+  FROM `httparchive.crawl.pages`,
+    UNNEST(JSON_QUERY_ARRAY(custom_metrics.other.almanac.`meta-nodes`.nodes)) AS meta_node
+  WHERE date = '2025-07-01'
+    --AND rank = 1000
+    AND LOWER(SAFE.STRING(meta_node.`http-equiv`)) = 'accept-ch'
+),
+
+-- Combine both sources
+all_accept_ch AS (
+  SELECT client, root_page FROM accept_ch_headers
+  UNION DISTINCT
+  SELECT client, root_page FROM accept_ch_meta
+)
+
+FROM all_accept_ch
+|> JOIN base_totals USING (client)
+|> AGGREGATE
+  COUNT(DISTINCT all_accept_ch.root_page) AS number_of_websites,
+  COUNT(DISTINCT all_accept_ch.root_page) / ANY_VALUE(base_totals.total_websites) AS pct_websites
+GROUP BY all_accept_ch.client
+|> PIVOT(
+  ANY_VALUE(number_of_websites) AS websites_count,
+  ANY_VALUE(pct_websites) AS pct
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME pct_mobile AS mobile, pct_desktop AS desktop

sql/2025/privacy/cookie_domains_third_party_top.sql

@@ -0,0 +1,22 @@
+FROM `httparchive.crawl.pages`
+|> WHERE date = '2025-07-01' -- AND rank = 1000
+|> EXTEND COUNT(DISTINCT NET.HOST(root_page)) OVER (PARTITION BY client) AS total_domains
+|> JOIN UNNEST(JSON_QUERY_ARRAY(custom_metrics.cookies)) AS cookie
+|> EXTEND
+NET.HOST(root_page) AS firstparty_domain,
+NET.HOST(SAFE.STRING(cookie.domain)) AS cookie_domain
+|> WHERE NOT ENDS_WITH('.' || firstparty_domain, '.' || cookie_domain)
+|> AGGREGATE
+COUNT(DISTINCT firstparty_domain) AS domain_count,
+COUNT(DISTINCT firstparty_domain) / ANY_VALUE(total_domains) AS pct_domains
+GROUP BY client, cookie_domain
+|> PIVOT (
+  ANY_VALUE(domain_count) AS domain_count,
+  ANY_VALUE(pct_domains) AS pct_domains
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME
+pct_domains_mobile AS mobile,
+pct_domains_desktop AS desktop
+|> ORDER BY COALESCE(domain_count_mobile, 0) + COALESCE(domain_count_desktop, 0) DESC
+|> LIMIT 1000

sql/2025/privacy/cookies_first_party_top.sql

@@ -0,0 +1,27 @@
+/* Most common cookie names, by number of domains on which they appear.
+Goal is to identify common trackers that use first-party cookies across sites.
+*/
+
+FROM `httparchive.crawl.pages`
+|> WHERE date = '2025-07-01' -- AND rank = 1000
+|> EXTEND COUNT(DISTINCT NET.HOST(root_page)) OVER (PARTITION BY client) AS total_domains
+|> JOIN UNNEST(JSON_QUERY_ARRAY(custom_metrics.cookies)) AS cookie
+|> EXTEND
+NET.HOST(root_page) AS firstparty_domain,
+NET.HOST(SAFE.STRING(cookie.domain)) AS cookie_domain,
+SAFE.STRING(cookie.name) AS cookie_name
+|> WHERE ENDS_WITH('.' || firstparty_domain, '.' || cookie_domain)
+|> AGGREGATE
+COUNT(DISTINCT firstparty_domain) AS domain_count,
+COUNT(DISTINCT firstparty_domain) / ANY_VALUE(total_domains) AS pct_domains
+GROUP BY client, cookie_name
+|> PIVOT (
+  ANY_VALUE(domain_count) AS domain_count,
+  ANY_VALUE(pct_domains) AS pct_domains
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME
+pct_domains_mobile AS mobile,
+pct_domains_desktop AS desktop
+|> ORDER BY COALESCE(domain_count_mobile, 0) + COALESCE(domain_count_desktop, 0) DESC
+|> LIMIT 1000

sql/2025/privacy/cookies_third_party_top.sql

@@ -0,0 +1,23 @@
+FROM `httparchive.crawl.pages`
+|> WHERE date = '2025-07-01' -- AND rank = 1000
+|> EXTEND COUNT(DISTINCT NET.HOST(root_page)) OVER (PARTITION BY client) AS total_domains
+|> JOIN UNNEST(JSON_QUERY_ARRAY(custom_metrics.cookies)) AS cookie
+|> EXTEND
+NET.HOST(root_page) AS firstparty_domain,
+NET.HOST(SAFE.STRING(cookie.domain)) AS cookie_domain,
+NET.HOST(SAFE.STRING(cookie.domain)) || ' / ' || SAFE.STRING(cookie.name) AS cookie_details
+|> WHERE NOT ENDS_WITH('.' || firstparty_domain, '.' || cookie_domain)
+|> AGGREGATE
+COUNT(DISTINCT firstparty_domain) AS domain_count,
+COUNT(DISTINCT firstparty_domain) / ANY_VALUE(total_domains) AS pct_domains
+GROUP BY client, cookie_details
+|> PIVOT (
+  ANY_VALUE(domain_count) AS domain_count,
+  ANY_VALUE(pct_domains) AS pct_domains
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME
+pct_domains_mobile AS mobile,
+pct_domains_desktop AS desktop
+|> ORDER BY COALESCE(domain_count_mobile, 0) + COALESCE(domain_count_desktop, 0) DESC
+|> LIMIT 1000

sql/2025/privacy/dnt_usage.sql

@@ -0,0 +1,19 @@
+-- Pages that use DNT feature
+
+FROM `httparchive.blink_features.usage`
+|> WHERE
+  date = '2025-07-01' AND
+  --rank <= 10000 AND
+  feature = 'NavigatorDoNotTrack'
+|> SELECT DISTINCT
+  client,
+  rank,
+  num_urls,
+  pct_urls
+|> PIVOT (
+  ANY_VALUE(num_urls) AS pages_count,
+  ANY_VALUE(pct_urls) AS pct
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME pct_mobile AS mobile, pct_desktop AS desktop
+|> ORDER BY rank ASC

sql/2025/privacy/fingerprinting_top.sql

@@ -0,0 +1,31 @@
+-- noqa: disable=PRS
+-- Percent of websites using a fingerprinting library based on wappalyzer category
+
+WITH base_totals AS (
+  SELECT
+    client,
+    COUNT(DISTINCT root_page) AS websites_total
+  FROM httparchive.crawl.pages
+  WHERE date = '2025-07-01'
+  GROUP BY client
+)
+
+FROM httparchive.crawl.pages,
+  UNNEST(technologies) AS technology,
+  UNNEST(technology.categories) AS category
+|> WHERE
+  date = '2025-07-01' AND
+  category = 'Browser fingerprinting'
+|> AGGREGATE
+  COUNT(DISTINCT root_page) AS websites_count
+GROUP BY client, technology.technology
+|> JOIN base_totals USING (client)
+|> EXTEND websites_count / websites_total AS websites_pct
+|> DROP websites_total
+|> PIVOT(
+  ANY_VALUE(websites_count) AS websites_count,
+  ANY_VALUE(websites_pct) AS websites_pct
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME websites_pct_mobile AS mobile, websites_pct_desktop AS desktop
+|> ORDER BY websites_count_mobile + websites_count_desktop DESC

sql/2025/privacy/iab_tcf_v2_cmps_top.sql

@@ -0,0 +1,21 @@
+-- noqa: disable=PRS
+-- Counts of CMPs using IAB Transparency & Consent Framework
+-- cf. https://github.com/InteractiveAdvertisingBureau/GDPR-Transparency-and-Consent-Framework/blob/master/TCFv2/IAB%20Tech%20Lab%20-%20CMP%20API%20v2.md--tcdata
+-- CMP vendor list: https://iabeurope.eu/cmp-list/
+
+FROM `httparchive.crawl.pages`
+|> WHERE date = '2025-07-01' --AND rank = 1000
+|> EXTEND
+SAFE.INT64(custom_metrics.privacy.iab_tcf_v2.data.cmpId) AS cmpId,
+COUNT(DISTINCT root_page) OVER (PARTITION BY client) AS total_websites
+|> AGGREGATE
+COUNT(DISTINCT root_page) AS number_of_websites,
+COUNT(DISTINCT root_page) / ANY_VALUE(total_websites) AS pct_websites
+GROUP BY client, cmpId
+|> PIVOT (
+  ANY_VALUE(number_of_websites) AS websites_count,
+  ANY_VALUE(pct_websites) AS pct
+  FOR client IN ('desktop', 'mobile')
+)
+|> RENAME pct_mobile AS mobile, pct_desktop AS desktop
+|> ORDER BY COALESCE(websites_count_desktop, 0) + COALESCE(websites_count_mobile, 0) DESC