Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 149 (from laksa135)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa149.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, meta_canonical AS meta_canonical, ml_categories_json AS ml_categories_json, ml_types_json AS ml_types_json, ml_intent_types_json AS ml_intent_types_json, meta_language AS meta_language, attrs_author AS attrs_author, ifNull(toUnixTimestamp(attrs_publish_time), 0) AS attrs_publish_time, ifNull(toUnixTimestamp(attrs_original_publish_time), 0) AS attrs_original_publish_time, ifNull(attrs_is_republished, 0) AS attrs_is_republished, ifNull(attrs_nr_words, 0) AS attrs_nr_words, ifNull(attrs_boilerpipe_nr_words, 0) AS attrs_boilerpipe_nr_words, ifNull(body_ext_links_number, 0) AS body_ext_links_number, ifNull(body_int_links_number, 0) AS body_int_links_number, ifNull(meta_nofollow, 0) AS meta_nofollow, ifNull(meta_noarchive, 0) AS meta_noarchive, ifNull(props_was_rendered, 0) AS props_was_rendered, ifNull(src_redirect, \'\') AS src_redirect, ifNull(download_time_msec, 0) AS download_time_msec, ifNull(download_ttfb_msec, 0) AS download_ttfb_msec, ifNull(download_size, 0) AS download_size FROM crawler3.page_info_local FINAL PREWHERE int_partition_id = 71 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://developer.aliyun.com/article/69852\')), getAhrefsUnparsedNoserviceFromURL(\'https://developer.aliyun.com/article/69852\'))) FORMAT JSONEachRow'

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	2 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Property	Value
URL	https://developer.aliyun.com/article/69852
Last Crawled	2026-04-03 08:38:36 (2 months ago)
First Indexed	2020-08-30 14:02:38 (5 years ago)
HTTP Status Code	200
Content
Meta Title	tensorFlow 教程-阿里云开发者社区
Meta Description	TensorFlow入门教程之1: 基本概念以及理解 TensorFlow入门教程之2: 安装和使用 TensorFlow入门教程之3: CNN卷积神经网络的基本定义理解 TensorFlow入门教程之4: 实现一个自创的CNN卷积神经网络 TensorFlow入门教程之5: TensorBoard面板可视化管理 TensorFl
Meta Canonical	null
Boilerpipe Text	heavy column, fetched on demand
Markdown	heavy column, fetched on demand
Readable Markdown	heavy column, fetched on demand
ML Classification
ML Categories	null
ML Page Types	null
ML Intent Types	null
Content Metadata
Language	null
Author	null
Publish Time	2017-01-24 09:16:00 (9 years ago)
Original Publish Time	2017-01-24 09:16:00 (9 years ago)
Republished	No
Word Count (Total)	538
Word Count (Content)	39
Links
External Links	68
Internal Links	194
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,502
TTFB (ms)	1,286
Download Size (bytes)	19,859
Location
Host ID	149 (laksa149)
Partition ID	71
Root Hash	892221456919234349
Unparsed URL	com,aliyun!developer,/article/69852 s443

🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

1. Shard Calculation

Query:

Response:

2. Crawled Status Check

Query:

Response:

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

Page Info Filters

Page Details