Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 187 (from laksa012)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa187.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 = 74 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://bigquant.com/wiki/doc/ypiGwC5hsB\')), getAhrefsUnparsedNoserviceFromURL(\'https://bigquant.com/wiki/doc/ypiGwC5hsB\'))) FORMAT JSONEachRow'

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.3 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://bigquant.com/wiki/doc/ypiGwC5hsB
Last Crawled	2026-05-25 11:24:22 (8 days ago)
First Indexed	2024-12-20 17:56:14 (1 year ago)
HTTP Status Code	200
Content
Meta Title	TensorFlow是什么？入门教程 - BigQuant量化交易
Meta Description	TensorFlow是一个由Google开发的开源机器学习库，用于数据流编程。它允许开发者构建和训练复杂的深度学习模型，以解决各种问题。自从2015年发布以来，TensorFlow已经成为深度学习领域最受欢迎的框架之一，广泛应用于计算机视觉、自然语言处理、声音识别、时间序列分析等领域。!核心概念Te...
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	zh-cn
Author	null
Publish Time	2024-05-20 03:07:04 (2 years ago)
Original Publish Time	2024-05-20 03:07:04 (2 years ago)
Republished	No
Word Count (Total)	200
Word Count (Content)	166
Links
External Links	0
Internal Links	41
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	752
TTFB (ms)	752
Download Size (bytes)	7,054
Location
Host ID	187 (laksa187)
Partition ID	74
Root Hash	12343343566981794987
Unparsed URL	com,bigquant!/wiki/doc/ypiGwC5hsB s443

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1. Shard Calculation

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2. Crawled Status Check

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3. Robots.txt Check

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4. Spam/Ban Check

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5. Seen Status Check

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