歸因分析

歸因是一種分析性概念,可協助判斷對業務銷售或轉換有貢獻的行銷策略,例如管道、優惠方案和訊息。 此概念會評估消費者歷程(客戶與公司互動以實現目標的過程),此歷程會根據客戶接觸點(客戶與您的品牌互動的任何時間)導致購買或贏取。 透過歸因分析,行銷人員可評估連結至潛在客戶的管道投資報酬率。

快速入門

本檔案中的SQL範例是常與Adobe Analytics資料搭配使用的查詢。 本教學課程需要您實際瞭解下列元件:

內引數的說明 OVER() 函式位於 視窗函式區段. 此 Adobe行銷與商務辭彙表 可能也有用。

對於以下每個使用案例,都會提供引數化SQL查詢範例作為範本供您自訂。 提供引數到任何您看到的位置 { } 在您想要評估的SQL範例中。

目標

歸因使用案例使用Adobe Analytics資料,協助將客戶動作與成功結果建立關聯。 此關聯是瞭解影響客戶體驗的因素的重要部分。 歸因分析資料可用於瞭解客戶在客戶歷程中接觸點的重要性。

本檔案包含的查詢範例支援各種使用案例,適用於具有不同到期日設定的首次接觸和上次接觸歸因。 本指南說明下列重要概念:

  • 首次接觸和上次接觸歸因。
  • 首次接觸和上次接觸歸因以及到期逾時。
  • 具有到期條件的首次接觸和上次接觸歸因。

歸因查詢引數 attribution-query-parameters

下表提供用於首次接觸和上次接觸歸因查詢的引數及其說明的劃分:

參數
說明
{TIMESTAMP}
在資料集中找到的時間戳記欄位。
{CHANNEL_NAME}
傳回物件的標籤。
{CHANNEL_VALUE}
作為查詢目標通道的欄或欄位。
{EXP_TIMEOUT}
頻道事件之前的時間視窗(以秒為單位),可供查詢搜尋首次接觸事件。
{EXP_CONDITION}
決定管道到期點的條件。
{EXP_BEFORE}
表示管道在指定條件之前或之後到期的布林值, {EXP_CONDITION},即符合。 這主要是針對工作階段的到期條件啟用,以確保不會從先前的工作階段中選取首次接觸。 預設情況下,此值設定為 false.

查詢結果欄元件 query-result-column-components

歸因查詢的結果提供在 first_touchlast_touch 欄。 這些欄由下列元件組成:

({NAME}, {VALUE}, {TIMESTAMP}, {FRACTION})
參數
說明
{NAME}
{CHANNEL_NAME},在Azure Data Factory (ADF)中輸入為標籤。
{VALUE}
值來自 {CHANNEL_VALUE} 這是指定範圍內的最後一次接觸 {EXP_TIMEOUT} 間隔
{TIMESTAMP}
的時間戳記 Experience Event 上次接觸發生位置
{FRACTION}
上次接觸的歸因,以小數點表示。

首次接觸歸因 first-touch

首次接觸歸因會100%將成功結果的責任歸於消費者遇到的初始管道。 此SQL範例用於強調導致後續一系列客戶動作的互動。

以下查詢會傳回首次接觸歸因值,以及目標中管道的詳細資料 Experience Event 資料集。 它也會傳回 struct 物件,其中包含每列的首次接觸值、時間戳記和歸因。

NOTE
Experience CloudID (ECID)也稱為MCID,並將繼續用於名稱空間。

查詢語法

ATTRIBUTION_FIRST_TOUCH({TIMESTAMP}, {CHANNEL_NAME}, {CHANNEL_VALUE}) OVER ({PARTITION} {ORDER} {FRAME})

如需可能需要的引數及其說明的完整清單,請參閱 歸因查詢引數區段.

範例查詢

SELECT endUserIds._experience.mcid.id, timestamp, marketing.trackingCode,
    ATTRIBUTION_FIRST_TOUCH(timestamp, 'Paid First', marketing.trackingCode)
      OVER(PARTITION BY endUserIds._experience.mcid.id
           ORDER BY timestamp
           ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
      AS first_touch
FROM experience_events
ORDER BY endUserIds._experience.mcid.id, timestamp ASC
LIMIT 10

結果

在下列結果中,初始追蹤程式碼 em:946426 取自 Experience Event 資料集。 此追蹤程式碼會歸因於100% (1.0),因為這是第一次互動。

                 id                 |       timestamp       | trackingCode |                   first_touch
-----------------------------------+-----------------------+--------------+-------------------------------------------------
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-18 07:06:12.0 | em:946426    | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-18 07:07:02.0 | em:946426    | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-18 07:07:55.0 |              | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-18 07:08:44.0 |              | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-23 17:50:10.0 | em:513526    | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-23 17:50:43.0 | em:513526    | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-23 17:53:02.0 |              | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-26 20:37:12.0 | sms:70175    | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-12-26 20:37:57.0 |              | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2019-01-02 19:41:38.0 | em:526702    | (Paid First,em:946426,2018-12-18 07:06:12.0,1.0)
(10 rows)

結果劃分顯示於 first_touch 欄,請參閱 欄元件區段.

上次接觸歸因 second-touch

上次接觸歸因會100%將成功結果的責任歸於消費者遇到的最後一個管道。 此SQL範例用於強調一系列客戶動作中的最終互動。

查詢會傳回上次接觸歸因值,以及目標中管道的詳細資料 Experience Event 資料集。 它也會傳回 struct 物件,其中包含每列的上次接觸值、時間戳記和歸因。

查詢語法

ATTRIBUTION_LAST_TOUCH({TIMESTAMP}, {CHANNEL_NAME}, {CHANNEL_VALUE}) OVER ({PARTITION} {ORDER} {FRAME})

範例查詢

SELECT endUserIds._experience.mcid.id, timestamp, marketing.trackingCode,
    ATTRIBUTION_LAST_TOUCH(timestamp, 'trackingCode', marketing.trackingCode)
      OVER(PARTITION BY endUserIds._experience.mcid.id
           ORDER BY timestamp
           ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
      AS last_touch
FROM experience_events
ORDER BY endUserIds._experience.mcid.id, timestamp ASC

結果

在下方顯示的結果中,傳回物件中的追蹤程式碼是每個物件中的最後一個互動 Experience Event 記錄。 每個程式碼都有100%的歸因(1.0)對客戶動作的責任,因為這是最後一次互動。

                 id                |       timestamp       | trackingCode |                   last_touch
-----------------------------------+-----------------------+--------------+-------------------------------------------------
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-18 07:06:12.0 | em:946426    | (Paid Last,em:946426,2017-12-18 07:06:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-18 07:07:02.0 | em:946426    | (Paid Last,em:946426,2017-12-18 07:07:02.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-18 07:07:55.0 |              | (Paid Last,em:946426,2017-12-18 07:07:02.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-18 07:08:44.0 |              | (Paid Last,em:946426,2017-12-18 07:07:02.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-23 17:50:10.0 | em:513526    | (Paid Last,em:513526,2017-12-23 17:50:10.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-23 17:50:43.0 | em:513526    | (Paid Last,em:513526,2017-12-23 17:50:43.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-23 17:53:02.0 |              | (Paid Last,em:513526,2017-12-23 17:50:43.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-26 20:37:12.0 | sms:70175    | (Paid Last,sms:70175,2017-12-26 20:37:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2017-12-26 20:37:57.0 |              | (Paid Last,sms:70175,2017-12-26 20:37:12.0,1.0)
 5D9D1DFBCEEBADF6-4097750903CE64DB | 2018-01-02 19:41:38.0 | em:526702    | (Paid Last,em:526702,2018-01-02 19:41:38.0,1.0)
(10 rows)

結果劃分顯示於 last_touch 欄,請參閱 欄元件區段.

具有到期條件的首次接觸歸因 first-touch-attribution-with-expiration-condition

此查詢是用來檢視哪些互動導致一部分中發生的一系列客戶動作。 Experience Event 資料集由您選擇的條件所決定。

查詢會傳回目標中單一管道的首次接觸歸因值和詳細資料 Experience Event 資料集,在條件之後或之前到期。 它也會傳回 struct 物件,具有針對所選管道傳回的每一列的首次接觸值、時間戳記和歸因。

查詢語法

ATTRIBUTION_FIRST_TOUCH_EXP_IF(
    {TIMESTAMP}, {CHANNEL_NAME}, {CHANNEL_VALUE}, {EXP_CONDITION}, {EXP_BEFORE})
    OVER ({PARTITION} {ORDER} {FRAME})

如需可能需要的引數及其說明的完整清單,請參閱 歸因查詢引數區段.

範例查詢

在以下範例中,購買會被記錄(commerce.purchases.value IS NOT NULL)在結果中顯示的四天(7月15、21、23和29日)的每一天,100%會歸因每天的初始追蹤程式碼(1.0)客戶動作的職責。

SELECT endUserIds._experience.mcid.id, timestamp, marketing.trackingCode,
    ATTRIBUTION_FIRST_TOUCH_EXP_IF(timestamp, 'Paid First', marketing.trackingCode, commerce.purchases.value IS NOT NULL, false)
      OVER(PARTITION BY endUserIds._experience.mcid.id
           ORDER BY timestamp
           ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
      AS first_touch
FROM experience_events
ORDER BY endUserIds._experience.mcid.id, timestamp ASC

結果

                 id               |       timestamp       | trackingCode |                   first_touch
----------------------------------+-----------------------+--------------+-------------------------------------------------
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:04:10.0 | em:1024841   | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:05.0 | em:1024841   | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:35.0 |              | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:08:30.0 |              | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:45:10.0 | em:483339    | (Paid First,em:483339,2019-07-21 18:45:10.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:50:22.0 | em:483339    | (Paid First,em:483339,2019-07-21 18:45:10.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:56:56.0 |              | (Paid First,em:483339,2019-07-21 18:45:10.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:25:12.0 | sms:70558    | (Paid First,em:70558,2019-07-23 12:25:12.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:38:51.0 |              | (Paid First,em:70558,2019-07-23 12:25:12.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-29 21:33:30.0 | em:884210    | (Paid First,em:884210,2019-07-29 21:33:30.0,1.0)
(10 rows)

結果劃分顯示於 first_touch 欄,請參閱 欄元件區段.

具有到期逾時的首次接觸歸因 first-touch-attribution-with-expiration-timeout

此查詢用於尋找在選定期間內導致成功客戶動作的互動。

以下查詢會傳回目標中單一管道的首次接觸歸因值和詳細資料 Experience Event 指定時段的資料集。 查詢傳回 struct 物件,具有針對所選管道傳回的每一列的首次接觸值、時間戳記和歸因。

查詢語法

ATTRIBUTION_FIRST_TOUCH_EXP_IF(
    {TIMESTAMP}, {CHANNEL_NAME}, {CHANNEL_VALUE}, {EXP_CONDITION}, {EXP_BEFORE})
    OVER ({PARTITION} {ORDER} {FRAME})

如需可能需要的引數及其說明的完整清單,請參閱 歸因查詢引數區段.

範例查詢

在以下範例中,每個客戶動作傳回的首次接觸是過去七天內最早的互動(expTimeout = 86400 * 7)。

SELECT endUserIds._experience.mcid.id, timestamp, marketing.trackingCode,
    ATTRIBUTION_FIRST_TOUCH_EXP_IF(timestamp, 'Paid First', marketing.trackingCode, commerce.purchases.value IS NOT NULL, false)
      OVER(PARTITION BY endUserIds._experience.mcid.id
           ORDER BY timestamp
           ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
      AS first_touch
FROM experience_events
ORDER BY endUserIds._experience.mcid.id, timestamp ASC

結果

                 id                 |       timestamp       | trackingCode |                   first_touch
-----------------------------------+-----------------------+--------------+-------------------------------------------------
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:04:10.0 | em:1024841   | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:05.0 | em:1024841   | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:35.0 |              | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:08:30.0 |              | (Paid First,em:1024841,2019-07-15 06:04:10.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:45:10.0 | em:483339    | (Paid First,em:483339,2019-07-21 18:45:10.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:50:22.0 | em:483339    | (Paid First,em:483339,2019-07-21 18:45:10.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:56:56.0 |              | (Paid First,em:483339,2019-07-21 18:45:10.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:25:12.0 | sms:70558    | (Paid First,em:70558,2019-07-23 12:25:12.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:38:51.0 |              | (Paid First,em:70558,2019-07-23 12:25:12.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-29 21:33:30.0 | em:884210    | (Paid First,em:884210,2019-07-29 21:33:30.0,1.0)
(10 rows)

結果劃分顯示於 first_touch 欄,請參閱 欄元件區段.

具有到期條件的最後一次接觸歸因 last-touch-attribution-with-expiration-condition

此查詢是用來尋找一部分中一連串客戶動作的最後互動。 Experience Event 資料集由您選擇的條件所決定。

以下查詢會傳回目標中單一管道的上次接觸歸因值和詳細資料 Experience Event 資料集,在條件之後或之前到期。 查詢傳回 struct 物件,具有針對所選管道傳回之每列的上次接觸值、時間戳記和歸因。

查詢語法

ATTRIBUTION_LAST_TOUCH_EXP_IF(
    {TIMESTAMP}, {CHANNEL_NAME}, {CHANNEL_VALUE}, {EXP_CONDITION}, {EXP_BEFORE})
    OVER ({PARTITION} {ORDER} {FRAME})

如需可能需要的引數及其說明的完整清單,請參閱 歸因查詢引數區段.

範例查詢

在以下範例中,購買會被記錄(commerce.purchases.value IS NOT NULL)在結果中顯示的四天(7月15日、21日、23日和29日)的每一天,100%會歸因每天的最後一個追蹤代碼(1.0)客戶動作的職責。

SELECT endUserIds._experience.mcid.id, timestamp, marketing.trackingCode,
    ATTRIBUTION_LAST_TOUCH_EXP_IF(timestamp, 'trackingCode', marketing.trackingCode, commerce.purchases.value IS NOT NULL, false)
      OVER(PARTITION BY endUserIds._experience.mcid.id
           ORDER BY timestamp
           ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
      AS last_touch
FROM experience_events
ORDER BY endUserIds._experience.mcid.id, timestamp ASC

範例結果

                id                 |       timestamp       | trackingCode |                   last_touch
-----------------------------------+-----------------------+--------------+------------------------------------------------
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:04:10.0 | em:1024841   | (Paid Last,em:550984,2019-07-15 06:08:30.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:35.0 | em:1024841   | (Paid Last,em:550984,2019-07-15 06:08:30.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:35.0 |              | (Paid Last,em:550984,2019-07-15 06:08:30.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:08:30.0 | em:550984    | (Paid Last,em:550984,2019-07-15 06:08:30.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:45:10.0 | em:483339    | (Paid Last,em:483339,2019-07-21 18:56:56.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:50:22.0 | em:483339    | (Paid Last,em:483339,2019-07-21 18:56:56.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:56:56.0 |              | (Paid Last,em:483339,2019-07-21 18:56:56.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:25:12.0 | sms:70558    | (Paid Last,em:380097,2019-07-23 12:38:51.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:38:51.0 | em:380097    | (Paid Last,em:380097,2019-07-23 12:38:51.0,1.0)
7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-29 21:33:30.0 | em:884210    | (Paid Last,em:884210,2019-07-29 21:33:30.0,1.0)
(10 rows)

結果劃分顯示於 last_touch 欄,請參閱 欄元件區段.

具有到期逾時的最後一次接觸歸因 last-touch-attribution-with-expiration-timeout

此查詢用於尋找所選時間間隔內的上次互動。 查詢會傳回目標中單一管道的上次接觸歸因值和詳細資料 Experience Event 指定時段的資料集。 查詢傳回 struct 物件,具有針對所選管道傳回之每列的上次接觸值、時間戳記和歸因。

查詢語法

ATTRIBUTION_LAST_TOUCH_EXP_TIMEOUT(
    {TIMESTAMP}, {CHANNEL_NAME}, {CHANNEL_VALUE}, {EXP_TIMEOUT})
    OVER ({PARTITION} {ORDER} {FRAME})

如需可能需要的引數及其說明的完整清單,請參閱 歸因查詢引數區段.

範例查詢

在以下範例中,每個客戶動作傳回的最後一次接觸是未來七天內的最後一次互動(expTimeout = 86400 * 7)。

SELECT endUserIds._experience.mcid.id, timestamp, marketing.trackingCode,
    ATTRIBUTION_LAST_TOUCH_EXP_TIMEOUT(timestamp, 'trackingCode', marketing.trackingCode, 86400 * 7)
      OVER(PARTITION BY endUserIds._experience.mcid.id
           ORDER BY timestamp
           ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
      AS last_touch
FROM experience_events
ORDER BY endUserIds._experience.mcid.id, timestamp ASC

結果

                id                 |       timestamp       | trackingcode |                   last_touch
-----------------------------------+-----------------------+--------------+-------------------------------------------------
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:04:10.0 | em:1024841   | (Paid Last,em:483339,2019-07-21 18:56:56.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:35.0 | em:1024841   | (Paid Last,em:483339,2019-07-21 18:56:56.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:05:35.0 |              | (Paid Last,em:483339,2019-07-21 18:56:56.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-15 06:08:30.0 |              | (Paid Last,em:483339,2019-07-21 18:56:56.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:45:10.0 | em:483339    | (Paid Last,sms:70558,2019-07-23 12:38:51.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:50:22.0 | em:483339    | (Paid Last,sms:70558,2019-07-23 12:38:51.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-21 18:56:56.0 |              | (Paid Last,sms:70558,2019-07-23 12:38:51.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:25:12.0 | sms:70558    | (Paid Last,em:884210,2019-07-29 21:33:30.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-23 12:38:51.0 |              | (Paid Last,em:884210,2019-07-29 21:33:30.0,1.0)
 7J82HGSSBNELKLD4-4107750913DE65DA | 2019-07-29 21:33:30.0 | em:884210    | (Paid Last,em:884210,2019-07-29 21:33:30.0,1.0)
(10 rows)

結果劃分顯示於 last_touch 欄,請參閱 欄元件區段.

recommendation-more-help
ccf2b369-4031-483f-af63-a93b5ae5e3fb