🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 75 (from laksa184)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa075.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.nhs.uk/medicines/melatonin/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.nhs.uk/medicines/melatonin/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.nhs.uk\/medicines\/melatonin\/","crawl_time":1775535998,"first_indexed_time":1575443980,"http_code":200,"src_unparsed":"uk,nhs,www!\/medicines\/melatonin\/ s443","src_root_hash":"11359509702434384875","history_drop_reason":null,"meta_title":"Melatonin: a hormone used for sleep problems - NHS","meta_descriptions":["NHS medicines information on melatonin – what it's used for, side effects, dosage and who can take it."],"attrs_boilerpipe_text":"Melatonin\n-\nBrand names: Circadin, Adaflex, Ceyesto, Slenyto, Syncrodin\nFind out how melatonin treats sleep problems like insomnia, and how to take it.","attrs_markdown":"\n\n[Skip to main content](https:\/\/www.nhs.uk\/medicines\/melatonin\/#maincontent)\n\n- [Health A to Z](https:\/\/www.nhs.uk\/health-a-to-z\/)\n- [NHS services](https:\/\/www.nhs.uk\/nhs-services\/)\n- [Healthy living](https:\/\/www.nhs.uk\/live-well\/)\n- [Mental health](https:\/\/www.nhs.uk\/mental-health\/)\n- [Care and support](https:\/\/www.nhs.uk\/social-care-and-support\/)\n- [Home](https:\/\/www.nhs.uk\/)\n- Browse More\n\n1. [Home](https:\/\/www.nhs.uk\/)\n2. [Health A to Z](https:\/\/www.nhs.uk\/health-a-to-z\/)\n3. [Medicines A to Z](https:\/\/www.nhs.uk\/medicines\/)\n\n[Back to Medicines A to Z](https:\/\/www.nhs.uk\/medicines\/)\n\n# Melatonin  - Brand names: Circadin, Adaflex, Ceyesto, Slenyto, Syncrodin\nFind out how melatonin treats sleep problems like insomnia, and how to take it.\n\n- [About melatonin](https:\/\/www.nhs.uk\/medicines\/melatonin\/about-melatonin\/)\n- [Who can and cannot take it](https:\/\/www.nhs.uk\/medicines\/melatonin\/who-can-and-cannot-take-melatonin\/)\n- [How and when to take it](https:\/\/www.nhs.uk\/medicines\/melatonin\/how-and-when-to-take-melatonin\/)\n- [Side effects](https:\/\/www.nhs.uk\/medicines\/melatonin\/side-effects-of-melatonin\/)\n- [Pregnancy, breastfeeding and fertility](https:\/\/www.nhs.uk\/medicines\/melatonin\/pregnancy-breastfeeding-and-fertility-while-taking-melatonin\/)\n- [Taking it with other medicines and herbal supplements](https:\/\/www.nhs.uk\/medicines\/melatonin\/taking-melatonin-with-other-medicines-and-herbal-supplements\/)\n- [Common questions](https:\/\/www.nhs.uk\/medicines\/melatonin\/common-questions-about-melatonin\/)\n\n## Related conditions\n- [Insomnia](https:\/\/www.nhs.uk\/conditions\/insomnia\/)\n\n## Useful resources\n- [Healthtalk: videos of real stories of insomnia in later life](https:\/\/healthtalk.org\/sleep-problems-later-life\/overview)\n  healthtalk.org\n- [Mind: charity – how to cope with sleep problems](https:\/\/www.mind.org.uk\/information-support\/types-of-mental-health-problems\/sleep-problems\/about-sleep-and-mental-health\/)\n  www.mind.org.uk\n- [Royal College of Psychiatrists: sleeping well](https:\/\/www.rcpsych.ac.uk\/mental-health\/problems-disorders\/sleeping-well)\n  www.rcpsych.ac.uk\n\n## Support links\n- [Home](https:\/\/www.nhs.uk\/)\n- [Health A to Z](https:\/\/www.nhs.uk\/health-a-to-z\/)\n- [NHS services](https:\/\/www.nhs.uk\/nhs-services\/)\n- [Healthy living](https:\/\/www.nhs.uk\/live-well\/)\n- [Mental health](https:\/\/www.nhs.uk\/mental-health\/)\n- [Care and support](https:\/\/www.nhs.uk\/social-care-and-support\/)\n- [COVID-19](https:\/\/www.nhs.uk\/conditions\/covid-19\/)\n\n- [NHS App](https:\/\/www.nhs.uk\/nhs-app\/)\n- [Find my NHS number](https:\/\/www.nhs.uk\/nhs-services\/online-services\/find-nhs-number\/)\n- [View your GP health record](https:\/\/www.nhs.uk\/nhs-services\/gps\/view-your-gp-health-record\/)\n- [View your test results](https:\/\/www.nhs.uk\/nhs-services\/online-services\/view-your-test-results\/)\n- [About the NHS](https:\/\/www.nhs.uk\/using-the-nhs\/about-the-nhs\/)\n- [Healthcare abroad](https:\/\/www.nhs.uk\/using-the-nhs\/healthcare-abroad\/)\n\n- [Other NHS websites](https:\/\/www.nhs.uk\/nhs-sites\/)\n- [Profile editor login](https:\/\/www.nhs.uk\/our-policies\/profile-editor-login\/)\n\n- [About us](https:\/\/www.nhs.uk\/about-us\/)\n- [Report an issue with the NHS website](https:\/\/www.nhs.uk\/report-an-issue-with-the-nhs-website)\n- [Accessibility statement](https:\/\/www.nhs.uk\/accessibility-statement\/)\n- [Our policies](https:\/\/www.nhs.uk\/our-policies\/)\n- [Cookies](https:\/\/www.nhs.uk\/our-policies\/choose-your-cookie-settings\/)\n\n© Crown copyright","attrs_readable_markdown":"## Melatonin  - Brand names: Circadin, Adaflex, Ceyesto, Slenyto, Syncrodin\nFind out how melatonin treats sleep problems like insomnia, and how to take it.","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

12 hours 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.nhs.uk/medicines/melatonin/
Last Crawled	2026-04-07 04:26:38 (12 hours ago)
First Indexed	2019-12-04 07:19:40 (6 years ago)
HTTP Status Code	200
Meta Title	Melatonin: a hormone used for sleep problems - NHS
Meta Description	NHS medicines information on melatonin – what it's used for, side effects, dosage and who can take it.
Meta Canonical	null
Boilerpipe Text	Melatonin - Brand names: Circadin, Adaflex, Ceyesto, Slenyto, Syncrodin Find out how melatonin treats sleep problems like insomnia, and how to take it.
Markdown	[Skip to main content](https://www.nhs.uk/medicines/melatonin/#maincontent) - [Health A to Z](https://www.nhs.uk/health-a-to-z/) - [NHS services](https://www.nhs.uk/nhs-services/) - [Healthy living](https://www.nhs.uk/live-well/) - [Mental health](https://www.nhs.uk/mental-health/) - [Care and support](https://www.nhs.uk/social-care-and-support/) - [Home](https://www.nhs.uk/) - Browse More 1. [Home](https://www.nhs.uk/) 2. [Health A to Z](https://www.nhs.uk/health-a-to-z/) 3. [Medicines A to Z](https://www.nhs.uk/medicines/) [Back to Medicines A to Z](https://www.nhs.uk/medicines/) # Melatonin - Brand names: Circadin, Adaflex, Ceyesto, Slenyto, Syncrodin Find out how melatonin treats sleep problems like insomnia, and how to take it. - [About melatonin](https://www.nhs.uk/medicines/melatonin/about-melatonin/) - [Who can and cannot take it](https://www.nhs.uk/medicines/melatonin/who-can-and-cannot-take-melatonin/) - [How and when to take it](https://www.nhs.uk/medicines/melatonin/how-and-when-to-take-melatonin/) - [Side effects](https://www.nhs.uk/medicines/melatonin/side-effects-of-melatonin/) - [Pregnancy, breastfeeding and fertility](https://www.nhs.uk/medicines/melatonin/pregnancy-breastfeeding-and-fertility-while-taking-melatonin/) - [Taking it with other medicines and herbal supplements](https://www.nhs.uk/medicines/melatonin/taking-melatonin-with-other-medicines-and-herbal-supplements/) - [Common questions](https://www.nhs.uk/medicines/melatonin/common-questions-about-melatonin/) ## Related conditions - [Insomnia](https://www.nhs.uk/conditions/insomnia/) ## Useful resources - [Healthtalk: videos of real stories of insomnia in later life](https://healthtalk.org/sleep-problems-later-life/overview) healthtalk.org - [Mind: charity – how to cope with sleep problems](https://www.mind.org.uk/information-support/types-of-mental-health-problems/sleep-problems/about-sleep-and-mental-health/) www.mind.org.uk - [Royal College of Psychiatrists: sleeping well](https://www.rcpsych.ac.uk/mental-health/problems-disorders/sleeping-well) www.rcpsych.ac.uk ## Support links - [Home](https://www.nhs.uk/) - [Health A to Z](https://www.nhs.uk/health-a-to-z/) - [NHS services](https://www.nhs.uk/nhs-services/) - [Healthy living](https://www.nhs.uk/live-well/) - [Mental health](https://www.nhs.uk/mental-health/) - [Care and support](https://www.nhs.uk/social-care-and-support/) - [COVID-19](https://www.nhs.uk/conditions/covid-19/) - [NHS App](https://www.nhs.uk/nhs-app/) - [Find my NHS number](https://www.nhs.uk/nhs-services/online-services/find-nhs-number/) - [View your GP health record](https://www.nhs.uk/nhs-services/gps/view-your-gp-health-record/) - [View your test results](https://www.nhs.uk/nhs-services/online-services/view-your-test-results/) - [About the NHS](https://www.nhs.uk/using-the-nhs/about-the-nhs/) - [Healthcare abroad](https://www.nhs.uk/using-the-nhs/healthcare-abroad/) - [Other NHS websites](https://www.nhs.uk/nhs-sites/) - [Profile editor login](https://www.nhs.uk/our-policies/profile-editor-login/) - [About us](https://www.nhs.uk/about-us/) - [Report an issue with the NHS website](https://www.nhs.uk/report-an-issue-with-the-nhs-website) - [Accessibility statement](https://www.nhs.uk/accessibility-statement/) - [Our policies](https://www.nhs.uk/our-policies/) - [Cookies](https://www.nhs.uk/our-policies/choose-your-cookie-settings/) © Crown copyright
Readable Markdown	## Melatonin - Brand names: Circadin, Adaflex, Ceyesto, Slenyto, Syncrodin Find out how melatonin treats sleep problems like insomnia, and how to take it.
Shard	75 (laksa)
Root Hash	11359509702434384875
Unparsed URL	uk,nhs,www!/medicines/melatonin/ s443