🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 155 (from laksa179)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa155.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://www.theedkins.co.uk/jo/numbers/binary/multiply.htm\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.theedkins.co.uk/jo/numbers/binary/multiply.htm\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.theedkins.co.uk\/jo\/numbers\/binary\/multiply.htm","crawl_time":1775861099,"first_indexed_time":1764499259,"http_code":200,"src_unparsed":"uk,co,theedkins!www,\/jo\/numbers\/binary\/multiply.htm s443","src_root_hash":"16310593127826474955","history_drop_reason":null,"meta_title":"Multiplying in Binary","meta_descriptions":["Multiplying in Binary"],"attrs_boilerpipe_text":"  10001001  \nMultiplying in Binary\n  10010001  \nBinary Numbers\n---\nIntroduction\n---\nAddition\n---\r\nMultiplication ---\nCounter\n---\nCard game\nBinary multiplication doesn't involve any multiplication tables at all. All you need are 0x0=0, 1x0=0, 0x1=0, 1x1=1. For long multiplication, you do need to add. It works like decimal multiplication. You separate one number into its powers of two (if it was a decimal number, this would be separating the number into its hundreds, tens and units, etc., so 3426 = 3000 + 400 + 20 + 6). Then you multiply the other number by each digit. You need the add the right number of '0's on the end, of course. Try out the multiplier below to see how it works. Enter two decimal numbers from 1-63 and click on 'Multiply'.\nFirst number (in decimal):\nSecond number (in decimal):\nResult:\n© Jo Edkins 2006  -\nReturn to Numbers index","attrs_markdown":"[![Numbers index](https:\/\/www.theedkins.co.uk\/jo\/numbers\/index.gif)](https:\/\/www.theedkins.co.uk\/jo\/numbers\/index.htm)\n\n# 10001001  Multiplying in Binary  10010001\n***\n[Binary Numbers](https:\/\/www.theedkins.co.uk\/jo\/numbers\/binary\/index.htm) --- [Introduction](https:\/\/www.theedkins.co.uk\/jo\/numbers\/binary\/intro.htm) --- [Addition](https:\/\/www.theedkins.co.uk\/jo\/numbers\/binary\/add.htm) --- Multiplication --- [Counter](https:\/\/www.theedkins.co.uk\/jo\/numbers\/binary\/kids.htm) --- [Card game](https:\/\/www.theedkins.co.uk\/jo\/numbers\/binary\/cards.htm)\n\nBinary multiplication doesn't involve any multiplication tables at all. All you need are 0x0=0, 1x0=0, 0x1=0, 1x1=1. For long multiplication, you do need to add. It works like decimal multiplication. You separate one number into its powers of two (if it was a decimal number, this would be separating the number into its hundreds, tens and units, etc., so 3426 = 3000 + 400 + 20 + 6). Then you multiply the other number by each digit. You need the add the right number of '0's on the end, of course. Try out the multiplier below to see how it works. Enter two decimal numbers from 1-63 and click on 'Multiply'.\n***\n© Jo Edkins 2006 - [Return to Numbers index](https:\/\/www.theedkins.co.uk\/jo\/numbers\/index.htm)","attrs_readable_markdown":null,"meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

1 day 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 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.theedkins.co.uk/jo/numbers/binary/multiply.htm
Last Crawled	2026-04-10 22:44:59 (1 day ago)
First Indexed	2025-11-30 10:40:59 (4 months ago)
HTTP Status Code	200
Meta Title	Multiplying in Binary
Meta Description	Multiplying in Binary
Meta Canonical	null
Boilerpipe Text	10001001 Multiplying in Binary 10010001 Binary Numbers --- Introduction --- Addition --- Multiplication --- Counter --- Card game Binary multiplication doesn't involve any multiplication tables at all. All you need are 0x0=0, 1x0=0, 0x1=0, 1x1=1. For long multiplication, you do need to add. It works like decimal multiplication. You separate one number into its powers of two (if it was a decimal number, this would be separating the number into its hundreds, tens and units, etc., so 3426 = 3000 + 400 + 20 + 6). Then you multiply the other number by each digit. You need the add the right number of '0's on the end, of course. Try out the multiplier below to see how it works. Enter two decimal numbers from 1-63 and click on 'Multiply'. First number (in decimal): Second number (in decimal): Result: © Jo Edkins 2006 - Return to Numbers index
Markdown	[![Numbers index](https://www.theedkins.co.uk/jo/numbers/index.gif)](https://www.theedkins.co.uk/jo/numbers/index.htm) # 10001001 Multiplying in Binary 10010001 * [Binary Numbers](https://www.theedkins.co.uk/jo/numbers/binary/index.htm) --- [Introduction](https://www.theedkins.co.uk/jo/numbers/binary/intro.htm) --- [Addition](https://www.theedkins.co.uk/jo/numbers/binary/add.htm) --- Multiplication --- [Counter](https://www.theedkins.co.uk/jo/numbers/binary/kids.htm) --- [Card game](https://www.theedkins.co.uk/jo/numbers/binary/cards.htm) Binary multiplication doesn't involve any multiplication tables at all. All you need are 0x0=0, 1x0=0, 0x1=0, 1x1=1. For long multiplication, you do need to add. It works like decimal multiplication. You separate one number into its powers of two (if it was a decimal number, this would be separating the number into its hundreds, tens and units, etc., so 3426 = 3000 + 400 + 20 + 6). Then you multiply the other number by each digit. You need the add the right number of '0's on the end, of course. Try out the multiplier below to see how it works. Enter two decimal numbers from 1-63 and click on 'Multiply'. * © Jo Edkins 2006 - [Return to Numbers index](https://www.theedkins.co.uk/jo/numbers/index.htm)
Readable Markdown	null
Shard	155 (laksa)
Root Hash	16310593127826474955
Unparsed URL	uk,co,theedkins!www,/jo/numbers/binary/multiply.htm s443