Performance 2021 queries

sql/2021/performance/lcp_element.sql

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+#standardSQL
+# LCP element node
+# This is a simplified query - the lcp_element_data.sql one will probably be used instead. Leaving this here for reference for now.
+
+SELECT
+  _TABLE_SUFFIX AS client,
+  JSON_EXTRACT_SCALAR(payload, "$._performance.lcp_elem_stats[0].nodeName") AS lcp_node,
+  COUNT(DISTINCT url) AS pages,
+  ANY_VALUE(total) AS total,
+  COUNT(DISTINCT url) / ANY_VALUE(total) AS pct
+FROM
+  `httparchive.pages.2021_07_01_*`
+JOIN (
+  SELECT
+    _TABLE_SUFFIX,
+    COUNT(0) AS total
+  FROM
+    `httparchive.summary_pages.2021_07_01_*`
+  GROUP BY
+    _TABLE_SUFFIX)
+USING
+  (_TABLE_SUFFIX)
+GROUP BY
+  client,
+  lcp_node
+HAVING
+  pages > 1000
+ORDER BY
+  pct DESC

sql/2021/performance/lcp_element_data.sql

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+#standardSQL
+# LCP element node details
+
+CREATE TEMP FUNCTION getLoadingAttr(attributes STRING) RETURNS STRING LANGUAGE js AS '''
+  try {
+    const data = JSON.parse(attributes);
+    const loadingAttr = data.find(attr => attr["name"] === "loading")
+    return loadingAttr.value
+  } catch (e) {
+    return "";
+  }
+''';
+
+CREATE TEMP FUNCTION getDecodingAttr(attributes STRING) RETURNS STRING LANGUAGE js AS '''
+  try {
+    const data = JSON.parse(attributes);
+    const decodingAttr = data.find(attr => attr["name"] === "decoding")
+    return decodingAttr.value
+  } catch (e) {
+    return "";
+  }
+''';
+
+CREATE TEMP FUNCTION getLoadingClasses(attributes STRING) RETURNS STRING LANGUAGE js AS '''
+  try {
+    const data = JSON.parse(attributes);
+    const classes = data.find(attr => attr["name"] === "class").value
+    if (classes.indexOf('lazyload') !== -1) {
+        return classes
+    } else {
+        return ""
+    }
+  } catch (e) {
+    return "";
+  }
+''';
+
+WITH
+lcp_stats AS (
+  SELECT
+    _TABLE_SUFFIX AS client,
+    url,
+    JSON_EXTRACT_SCALAR(payload, "$._performance.lcp_elem_stats[0].nodeName") AS nodeName,
+    JSON_EXTRACT_SCALAR(payload, "$._performance.lcp_elem_stats[0].url") AS elementUrl,
+    CAST(JSON_EXTRACT_SCALAR(payload, "$._performance.lcp_elem_stats[0].size") AS INT64) AS size,
+    CAST(JSON_EXTRACT_SCALAR(payload, "$._performance.lcp_elem_stats[0].loadTime") AS FLOAT64) AS loadTime,
+    CAST(JSON_EXTRACT_SCALAR(payload, "$._performance.lcp_elem_stats[0].startTime") AS FLOAT64) AS startTime,
+    CAST(JSON_EXTRACT_SCALAR(payload, "$._performance.lcp_elem_stats[0].renderTime") AS FLOAT64) AS renderTime,
+    JSON_EXTRACT(payload, "$._performance.lcp_elem_stats[0].attributes") AS attributes,
+    getLoadingAttr(JSON_EXTRACT(payload, "$._performance.lcp_elem_stats[0].attributes")) AS loading,
+    getDecodingAttr(JSON_EXTRACT(payload, "$._performance.lcp_elem_stats[0].attributes")) AS decoding,
+    getLoadingClasses(JSON_EXTRACT(payload, "$._performance.lcp_elem_stats[0].attributes")) AS classWithLazyload
+  FROM
+    `httparchive.pages.2021_07_01_*`
+)
+
+SELECT
+  client,
+  nodeName,
+  COUNT(DISTINCT url) AS pages,
+  ANY_VALUE(total) AS total,
+  COUNT(DISTINCT url) / ANY_VALUE(total) AS pct,
+  COUNTIF(elementUrl != "") AS haveImages,
+  COUNTIF(elementUrl != "") / COUNT(DISTINCT url) AS pct_haveImages,
+  COUNTIF(loading = "eager") AS native_eagerload,
+  COUNTIF(loading = "lazy") AS native_lazyload,
+  COUNTIF(classWithLazyload != "") AS lazyload_class,
+  COUNTIF(classWithLazyload != "" OR loading = "lazy") AS probably_lazyLoaded,
+  COUNTIF(classWithLazyload != "" OR loading = "lazy") / COUNT(DISTINCT url) AS pct_prob_lazyloaded,
+  COUNTIF(decoding = "async") AS async_decoding,
+  COUNTIF(decoding = "sync") AS sync_decoding,
+  COUNTIF(decoding = "auto") AS auto_decoding
+FROM
+  lcp_stats
+JOIN (
+  SELECT
+    _TABLE_SUFFIX AS client,
+    COUNT(0) AS total
+  FROM
+    `httparchive.summary_pages.2021_07_01_*`
+  GROUP BY
+    _TABLE_SUFFIX)
+USING
+  (client)
+GROUP BY
+  client,
+  nodeName
+HAVING
+  pages > 1000
+ORDER BY
+  pct DESC

sql/2021/performance/unused_css_histogram.sql

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+#standardSQL
+# Histogram of unused CSS bytes per page
+
+SELECT
+  IF(unused_css_kbytes <= 500, CEIL(unused_css_kbytes / 10) * 10, 500) AS unused_css_kbytes,
+  COUNT(0) / SUM(COUNT(0)) OVER (PARTITION BY 0) AS pct,
+  COUNT(0) AS pages,
+  SUM(COUNT(0)) OVER (PARTITION BY 0) AS total,
+  --only interested in last max one as a 'surprising metric'
+  MAX(unused_css_kbytes) AS max_unused_css_kb
+FROM (
+  SELECT
+    url AS page,
+    CAST(JSON_EXTRACT(report, "$.audits.unused-css-rules.details.overallSavingsBytes") AS INT64) / 1024 AS unused_css_kbytes
+  FROM
+    `httparchive.lighthouse.2021_07_01_mobile`)
+GROUP BY
+  unused_css_kbytes
+ORDER BY
+  unused_css_kbytes

sql/2021/performance/unused_css_js.sql

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+# standardSQL
+# Distribution of unused CSS and JS
+
+SELECT
+  percentile,
+  APPROX_QUANTILES(CAST(JSON_EXTRACT_SCALAR(report, "$.audits.unused-javascript.details.overallSavingsBytes") AS INT64) / 1024, 1000)[OFFSET(percentile * 10)] AS js_kilobytes,
+  APPROX_QUANTILES(CAST(JSON_EXTRACT_SCALAR(report, "$.audits.unused-css-rules.details.overallSavingsBytes") AS INT64) / 1024, 1000)[OFFSET(percentile * 10)] AS css_kilobytes
+FROM
+  `httparchive.lighthouse.2021_07_01_mobile`,
+  UNNEST([10, 25, 50, 75, 90, 100]) AS percentile
+GROUP BY
+  percentile
+ORDER BY
+  percentile

sql/2021/performance/unused_js_histogram.sql

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+#standardSQL
+# Histogram of unused JS bytes per page
+
+SELECT
+  IF(unused_js_kbytes <= 1000, CEIL(unused_js_kbytes / 20) * 20, 1000) AS unused_js_kbytes,
+  COUNT(0) / SUM(COUNT(0)) OVER (PARTITION BY 0) AS pct,
+  COUNT(0) AS pages,
+  SUM(COUNT(0)) OVER (PARTITION BY 0) AS total,
+  --only interested in last max one as a 'surprising metric'
+  MAX(unused_js_kbytes) AS max_unused_js_kb
+FROM (
+  SELECT
+    url AS page,
+    CAST(JSON_EXTRACT(report, "$.audits.unused-javascript.details.overallSavingsBytes") AS INT64) / 1024 AS unused_js_kbytes
+  FROM
+    `httparchive.lighthouse.2021_07_01_mobile`)
+GROUP BY
+  unused_js_kbytes
+ORDER BY
+  unused_js_kbytes

sql/2021/performance/web_vitals_by_country.sql

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+#standardSQL
+# Core WebVitals by country
+
+CREATE TEMP FUNCTION IS_GOOD (good FLOAT64, needs_improvement FLOAT64, poor FLOAT64) RETURNS BOOL AS (
+  SAFE_DIVIDE(good, (good + needs_improvement + poor)) >= 0.75
+);
+
+CREATE TEMP FUNCTION IS_POOR (good FLOAT64, needs_improvement FLOAT64, poor FLOAT64) RETURNS BOOL AS (
+  SAFE_DIVIDE(poor, (good + needs_improvement + poor)) >= 0.25
+);
+
+CREATE TEMP FUNCTION IS_NI (good FLOAT64, needs_improvement FLOAT64, poor FLOAT64) RETURNS BOOL AS (
+  NOT IS_GOOD(good, needs_improvement, poor) AND
+  NOT IS_POOR(good, needs_improvement, poor)
+);
+
+CREATE TEMP FUNCTION IS_NON_ZERO (good FLOAT64, needs_improvement FLOAT64, poor FLOAT64) RETURNS BOOL AS (
+  good + needs_improvement + poor > 0
+);
+
+WITH
+base AS (
+  SELECT
+    origin,
+    country_code,
+
+    SUM(fast_fid) / SUM(fast_fid + avg_fid + slow_fid) AS fast_fid,
+    SUM(avg_fid) / SUM(fast_fid + avg_fid + slow_fid) AS avg_fid,
+    SUM(slow_fid) / SUM(fast_fid + avg_fid + slow_fid) AS slow_fid,
+
+    SUM(fast_lcp) / SUM(fast_lcp + avg_lcp + slow_lcp) AS fast_lcp,
+    SUM(avg_lcp) / SUM(fast_lcp + avg_lcp + slow_lcp) AS avg_lcp,
+    SUM(slow_lcp) / SUM(fast_lcp + avg_lcp + slow_lcp) AS slow_lcp,
+
+    SUM(small_cls) / SUM(small_cls + medium_cls + large_cls) AS small_cls,
+    SUM(medium_cls) / SUM(small_cls + medium_cls + large_cls) AS medium_cls,
+    SUM(large_cls) / SUM(small_cls + medium_cls + large_cls) AS large_cls,
+
+    SUM(fast_fcp) / SUM(fast_fcp + avg_fcp + slow_fcp) AS fast_fcp,
+    SUM(avg_fcp) / SUM(fast_fcp + avg_fcp + slow_fcp) AS avg_fcp,
+    SUM(slow_fcp) / SUM(fast_fcp + avg_fcp + slow_fcp) AS slow_fcp,
+
+    SUM(fast_ttfb) / SUM(fast_ttfb + avg_ttfb + slow_ttfb) AS fast_ttfb,
+    SUM(avg_ttfb) / SUM(fast_ttfb + avg_ttfb + slow_ttfb) AS avg_ttfb,
+    SUM(slow_ttfb) / SUM(fast_ttfb + avg_ttfb + slow_ttfb) AS slow_ttfb
+
+  FROM
+    `chrome-ux-report.materialized.country_summary`
+  WHERE
+    yyyymm = 202107
+  GROUP BY
+    origin,
+    country_code
+)
+
+SELECT
+  `chrome-ux-report`.experimental.GET_COUNTRY(country_code) AS country,
+
+  COUNT(DISTINCT origin) AS total_origins,
+
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        (NOT IS_NON_ZERO(fast_fid, avg_fid, slow_fid) OR IS_GOOD(fast_fid, avg_fid, slow_fid)) AND
+        IS_GOOD(fast_lcp, avg_lcp, slow_lcp) AND
+        IS_GOOD(small_cls, medium_cls, large_cls), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_lcp, avg_lcp, slow_lcp) AND
+        IS_NON_ZERO(small_cls, medium_cls, large_cls), origin, NULL))) AS pct_cwv_good,
+
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_GOOD(fast_lcp, avg_lcp, slow_lcp), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_lcp, avg_lcp, slow_lcp), origin, NULL))) AS pct_lcp_good,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_NI(fast_lcp, avg_lcp, slow_lcp), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_lcp, avg_lcp, slow_lcp), origin, NULL))) AS pct_lcp_ni,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_POOR(fast_lcp, avg_lcp, slow_lcp), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_lcp, avg_lcp, slow_lcp), origin, NULL))) AS pct_lcp_poor,
+
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_GOOD(fast_fid, avg_fid, slow_fid), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_fid, avg_fid, slow_fid), origin, NULL))) AS pct_fid_good,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_NI(fast_fid, avg_fid, slow_fid), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_fid, avg_fid, slow_fid), origin, NULL))) AS pct_fid_ni,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_POOR(fast_fid, avg_fid, slow_fid), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_fid, avg_fid, slow_fid), origin, NULL))) AS pct_fid_poor,
+
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_GOOD(small_cls, medium_cls, large_cls), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(small_cls, medium_cls, large_cls), origin, NULL))) AS pct_cls_good,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_NI(small_cls, medium_cls, large_cls), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(small_cls, medium_cls, large_cls), origin, NULL))) AS pct_cls_ni,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_POOR(small_cls, medium_cls, large_cls), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(small_cls, medium_cls, large_cls), origin, NULL))) AS pct_cls_poor,
+
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_GOOD(fast_fcp, avg_fcp, slow_fcp), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_fcp, avg_fcp, slow_fcp), origin, NULL))) AS pct_fcp_good,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_NI(fast_fcp, avg_fcp, slow_fcp), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_fcp, avg_fcp, slow_fcp), origin, NULL))) AS pct_fcp_ni,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_POOR(fast_fcp, avg_fcp, slow_fcp), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_fcp, avg_fcp, slow_fcp), origin, NULL))) AS pct_fcp_poor,
+
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_GOOD(fast_ttfb, avg_ttfb, slow_ttfb), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_ttfb, avg_ttfb, slow_ttfb), origin, NULL))) AS pct_ttfb_good,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_NI(fast_ttfb, avg_ttfb, slow_ttfb), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_ttfb, avg_ttfb, slow_ttfb), origin, NULL))) AS pct_ttfb_ni,
+  SAFE_DIVIDE(
+    COUNT(DISTINCT IF(
+        IS_POOR(fast_ttfb, avg_ttfb, slow_ttfb), origin, NULL)),
+    COUNT(DISTINCT IF(
+        IS_NON_ZERO(fast_ttfb, avg_ttfb, slow_ttfb), origin, NULL))) AS pct_ttfb_poor
+
+FROM
+  base
+GROUP BY
+  country
+ORDER BY
+  total_origins DESC