Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 63 (from laksa105)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa063.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 = 58 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.nbd.com.cn/articles/2025-05-23/3885788.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.nbd.com.cn/articles/2025-05-23/3885788.html\'))) FORMAT JSONEachRow'

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	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://www.nbd.com.cn/articles/2025-05-23/3885788.html
Last Crawled	2026-05-04 12:58:24 (1 month ago)
First Indexed	2025-05-25 02:24:20 (1 year ago)
HTTP Status Code	200
Content
Meta Title	“美国失去未来”！特朗普政府“封杀”哈佛大学，哥大、耶鲁等也被威胁！外国学生不转学或被遣返，在美留学生该怎么办？ \| 每经网
Meta Description	当地时间5月22日，特朗普政府与哈佛大学的矛盾急剧恶化，美国国土安全部突然撤销哈佛大学“学生和交流访问学者项目”（SEVP）认证，严禁该校招收国际学生，还要求现有国际学生转学，否则将失去合法身份。△美
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	not set
Original Publish Time	2025-05-23 00:00:00 (1 year ago)
Republished	No
Word Count (Total)	195
Word Count (Content)	72
Links
External Links	7
Internal Links	61
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	2,335
TTFB (ms)	2,122
Download Size (bytes)	17,141
Location
Host ID	63 (laksa063)
Partition ID	58
Root Hash	11011368654853151663
Unparsed URL	cn,com,nbd!www,/articles/2025-05-23/3885788.html 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