Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 164 (from laksa146)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa164.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, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://bigbeluga.com/blog/bollinger-bands-basics-and-breakout-strategy\')), getAhrefsUnparsedNoserviceFromURL(\'https://bigbeluga.com/blog/bollinger-bands-basics-and-breakout-strategy\'))) FORMAT JSONEachRow'

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.1 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://bigbeluga.com/blog/bollinger-bands-basics-and-breakout-strategy
Last Crawled	2026-04-08 15:42:24 (3 days ago)
First Indexed	not set
HTTP Status Code	200
Meta Title	Bollinger Bands: Basics and Breakout Strategy \| BigBeluga
Meta Description	Learn how to use Bollinger Bands to analyze volatility and identify potential price levels for buying or selling.
Meta Canonical	null
Boilerpipe Text	null
Markdown	![](https://www.facebook.com/tr?id=841215931814812&ev=PageView&noscript=1)
Readable Markdown	null
Shard	164 (laksa)
Root Hash	17887845001925097564
Unparsed URL	com,bigbeluga!/blog/bollinger-bands-basics-and-breakout-strategy s443

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1. Shard Calculation

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2. Crawled Status Check

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4. Spam/Ban Check

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5. Seen Status Check

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