🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 43 (from laksa122)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa043.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 = 32 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://galileospendulum.org/2011/03/28/the-problem-of-string-theory/\')), getAhrefsUnparsedNoserviceFromURL(\'https://galileospendulum.org/2011/03/28/the-problem-of-string-theory/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/galileospendulum.org\/2011\/03\/28\/the-problem-of-string-theory\/","crawl_time":1775801482,"first_indexed_time":1545363456,"http_code":200,"src_unparsed":"org,galileospendulum!\/2011\/03\/28\/the-problem-of-string-theory\/ s443","src_root_hash":"1110466929644946443","history_drop_reason":null,"meta_title":"The Problem of String Theory – Galileo's Pendulum","meta_descriptions":["String theory is exciting stuff: the idea that the universe we perceive with all its particles and forces is merely a manifestation of a tiny strange world of vibrating strings curled up in dimensions too small for our current experiments to reach. It's easy to see why it has captured the public's imagination, and why…"],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":980,\"\/Science\/Physics\":898}","ml_types_json":"{\"\/Article\":996,\"\/Article\/Opinion_Piece\":663}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":1301348767,"attrs_original_publish_time":1301348767,"attrs_is_republished":0,"attrs_nr_words":"1388","attrs_boilerpipe_nr_words":"620","body_ext_links_number":21,"body_int_links_number":29,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":26,"download_ttfb_msec":19,"download_size":33448}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 43 · Partition 32

laksa043

1110466929644946443

📄

INDEXABLE

✅

CRAWLED

1 month 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`	1.8 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://galileospendulum.org/2011/03/28/the-problem-of-string-theory/

Last Crawled

2026-04-10 06:11:22 (1 month ago)

First Indexed

2018-12-21 03:37:36 (7 years ago)

HTTP Status Code

200

Content

Meta Title

The Problem of String Theory – Galileo's Pendulum

Meta Description

String theory is exciting stuff: the idea that the universe we perceive with all its particles and forces is merely a manifestation of a tiny strange world of vibrating strings curled up in dimensions too small for our current experiments to reach. It's easy to see why it has captured the public's imagination, and why…

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

/Science		98.0%
/Science/Physics		89.8%

Raw JSON

{
    "/Science": 980,
    "/Science/Physics": 898
}

ML Page Types

/Article		99.6%
/Article/Opinion_Piece		66.3%

Raw JSON

{
    "/Article": 996,
    "/Article/Opinion_Piece": 663
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

2011-03-28 21:46:07 (15 years ago)

Original Publish Time

2011-03-28 21:46:07 (15 years ago)

Republished

Word Count (Total)

1,388

Word Count (Content)

620

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

TTFB (ms)

Download Size (bytes)

33,448

Location

Host ID

43 (laksa043)

Partition ID

Root Hash

1110466929644946443

Unparsed URL

org,galileospendulum!/2011/03/28/the-problem-of-string-theory/ s443