🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 66 (from laksa102)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa066.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 = 14 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.scientificamerican.com/article/how-much-caffeine-is-too-much/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.scientificamerican.com/article/how-much-caffeine-is-too-much/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.scientificamerican.com\/article\/how-much-caffeine-is-too-much\/","crawl_time":1779161742,"first_indexed_time":1701441133,"http_code":200,"src_unparsed":"com,scientificamerican!www,\/article\/how-much-caffeine-is-too-much\/ s443","src_root_hash":"15343250200200202866","history_drop_reason":null,"meta_title":"How Much Caffeine Is Too Much? | Scientific American","meta_descriptions":["Caffeine can help you feel energized. But is there a limit to how much your body can handle?"],"meta_canonical":null,"ml_categories_json":"{\"\/Health\":833,\"\/Science\":677,\"\/Health\/Nutrition\":629,\"\/Health\/Nutrition\/Other\":386,\"\/Science\/Chemistry\":302}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Definitions\":353}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":"Joanna Thompson","attrs_publish_time":0,"attrs_original_publish_time":1701441133,"attrs_is_republished":0,"attrs_nr_words":"1390","attrs_boilerpipe_nr_words":"1160","body_ext_links_number":14,"body_int_links_number":32,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":992,"download_ttfb_msec":991,"download_size":19261}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 66 · Partition 14

laksa066

15343250200200202866

📄

INDEXABLE

✅

CRAWLED

15 days ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.5 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

Page Details

Property

Value

URL

https://www.scientificamerican.com/article/how-much-caffeine-is-too-much/

Last Crawled

2026-05-19 03:35:42 (15 days ago)

First Indexed

2023-12-01 14:32:13 (2 years ago)

HTTP Status Code

200

Content

Meta Title

How Much Caffeine Is Too Much? | Scientific American

Meta Description

Caffeine can help you feel energized. But is there a limit to how much your body can handle?

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

/Health		83.3%
/Science		67.7%
/Health/Nutrition		62.9%
/Health/Nutrition/Other		38.6%
/Science/Chemistry		30.2%

Raw JSON

{
    "/Health": 833,
    "/Science": 677,
    "/Health/Nutrition": 629,
    "/Health/Nutrition/Other": 386,
    "/Science/Chemistry": 302
}

ML Page Types

/Article		99.8%
/Article/Definitions		35.3%

Raw JSON

{
    "/Article": 998,
    "/Article/Definitions": 353
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

Joanna Thompson

Publish Time

not set

Original Publish Time

2023-12-01 14:32:13 (2 years ago)

Republished

Word Count (Total)

1,390

Word Count (Content)

1,160

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

992

TTFB (ms)

991

Download Size (bytes)

19,261

Location

Host ID

66 (laksa066)

Partition ID

Root Hash

15343250200200202866

Unparsed URL

com,scientificamerican!www,/article/how-much-caffeine-is-too-much/ s443