🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 100 (from laksa161)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa100.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, 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 (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://verify.cowin.gov.in/\')), getAhrefsUnparsedNoserviceFromURL(\'https://verify.cowin.gov.in/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/verify.cowin.gov.in\/","crawl_time":1776739656,"first_indexed_time":1617801872,"http_code":200,"src_unparsed":"in,gov,cowin!verify,\/ s443","src_root_hash":"200119435801660900","history_drop_reason":null,"meta_title":"Vaccination certificate verification application","meta_descriptions":["India covid-19 Vaccination certificate verification web application"],"attrs_boilerpipe_text":"The Co-WIN vaccination certificate has a digitally signed secure QR code. This can be authenticated online  using the verification utility in this portal or using third party verification app using the services outlined below.\nOption 1 – Online verification\nSteps for online verification:\nVisit\nhttps:\/\/verify.cowin.gov.in\/\nClick on\n“Scan QR”\ncode\nA notification will prompt to activate your device’s camera\nPoint the camera to the QR code on the bottom right of the certificate issued and scan\nPlease keep the following points in mind while scanning the QR code\nQR code should cover at-least 70%-80% of screen\nComplete QR code should be part of camera frame\nQR code should be parallel to the camera\nCamera should be hold steadily for at-least 5 sec\nIf camera is unable to read the QR code within 45 seconds, a message -\n“Camera is not able to read the QR code, please try again”\nwith a try again button will be displayed. Verifier will be required to scan the QR code again following the instructions mentioned in Step 2.\nOn successful verification, following attributes are displayed on the screen:\nMessage\n“Certificate Successfully Verified”\nName\nAge\nGender\nCertificate ID\nBeneficiary ID\nVaccine Name\nDate of Dose\nVaccination Status\nVaccination at\nIn case of an unsuccessful verification if the certificate is not genuine, screen will show the message “Certificate Invalid”\nYou can view a\ndemo video\nof 'how to verify’\nOption 2 – Offline verification through third party verifier app\nSteps for offline verification:\nAccess the Co-WIN verification service and code for set up\nhere\nGet code snippet for reference and implement\nReplace the public key used in code snippet with Public key available\nhere\n.\nImplement the verification service in your apps to scan, read and validate Co-WIN certificates\nIn case you need any clarification or support in implementing the verifier app, contact\ndivoc-support@egov.org.in\nor\npartner@cowin.gov.in","attrs_markdown":"Verification requires cryptographic valication in javascript and You need to enable JavaScript to run this app.\n\n![banner-img](https:\/\/verify.cowin.gov.in\/static\/media\/verify-certificate.29230f43.png)\n\n### Verify a vaccination certificate\nScan QR code![](https:\/\/verify.cowin.gov.in\/static\/media\/qr-code.0d1efb4c.svg)\n\nThe Co-WIN vaccination certificate has a digitally signed secure QR code. This can be authenticated online using the verification utility in this portal or using third party verification app using the services outlined below.\n\n###### Option 1 – Online verification\nSteps for online verification:\n\n1. Visit <https:\/\/verify.cowin.gov.in\/>\n2. Click on **“Scan QR”** code\n3. A notification will prompt to activate your device’s camera\n4. Point the camera to the QR code on the bottom right of the certificate issued and scan\n5. Please keep the following points in mind while scanning the QR code\n   - QR code should cover at-least 70%-80% of screen\n   - Complete QR code should be part of camera frame\n   - QR code should be parallel to the camera\n   - Camera should be hold steadily for at-least 5 sec\n6. If camera is unable to read the QR code within 45 seconds, a message - **“Camera is not able to read the QR code, please try again”** with a try again button will be displayed. Verifier will be required to scan the QR code again following the instructions mentioned in Step 2.\n7. On successful verification, following attributes are displayed on the screen:\n8. In case of an unsuccessful verification if the certificate is not genuine, screen will show the message “Certificate Invalid”\n\nYou can view a [demo video](https:\/\/divoc.egov.org.in\/demo-videos\/13.-certificate-verification) of 'how to verify’\n***\n###### Option 2 – Offline verification through third party verifier app\nSteps for offline verification:\n\n1. Access the Co-WIN verification service and code for set up [here](https:\/\/github.com\/egovernments\/DIVOC\/tree\/india\/verification)\n2. Get code snippet for reference and implement\n3. Replace the public key used in code snippet with Public key available [here](https:\/\/verify.cowin.gov.in\/did:india).\n4. Implement the verification service in your apps to scan, read and validate Co-WIN certificates\n\nIn case you need any clarification or support in implementing the verifier app, contact [divoc-support@egov.org.in](mailto:divoc-support@egov.org.in) or [partner@cowin.gov.in](mailto:partner@cowin.gov.in)","attrs_readable_markdown":"The Co-WIN vaccination certificate has a digitally signed secure QR code. This can be authenticated online using the verification utility in this portal or using third party verification app using the services outlined below.\n\n###### Option 1 – Online verification\nSteps for online verification:\n\n1. Visit <https:\/\/verify.cowin.gov.in\/>\n2. Click on **“Scan QR”** code\n3. A notification will prompt to activate your device’s camera\n4. Point the camera to the QR code on the bottom right of the certificate issued and scan\n5. Please keep the following points in mind while scanning the QR code\n   - QR code should cover at-least 70%-80% of screen\n   - Complete QR code should be part of camera frame\n   - QR code should be parallel to the camera\n   - Camera should be hold steadily for at-least 5 sec\n6. If camera is unable to read the QR code within 45 seconds, a message - **“Camera is not able to read the QR code, please try again”** with a try again button will be displayed. Verifier will be required to scan the QR code again following the instructions mentioned in Step 2.\n7. On successful verification, following attributes are displayed on the screen:\n8. In case of an unsuccessful verification if the certificate is not genuine, screen will show the message “Certificate Invalid”\n\nYou can view a [demo video](https:\/\/divoc.egov.org.in\/demo-videos\/13.-certificate-verification) of 'how to verify’\n***\n###### Option 2 – Offline verification through third party verifier app\nSteps for offline verification:\n\n1. Access the Co-WIN verification service and code for set up [here](https:\/\/github.com\/egovernments\/DIVOC\/tree\/india\/verification)\n2. Get code snippet for reference and implement\n3. Replace the public key used in code snippet with Public key available [here](https:\/\/verify.cowin.gov.in\/did:india).\n4. Implement the verification service in your apps to scan, read and validate Co-WIN certificates\n\nIn case you need any clarification or support in implementing the verifier app, contact [divoc-support@egov.org.in](mailto:divoc-support@egov.org.in) or [partner@cowin.gov.in](mailto:partner@cowin.gov.in)","meta_canonical":null,"ml_categories_json":"{\"\/Health\":818,\"\/Health\/Public_Health\":779,\"\/Health\/Public_Health\/Health_Policy\":729,\"\/Law_and_Government\":433,\"\/Law_and_Government\/Public_Safety\":259}","ml_types_json":"{\"\/Core_Page\":713,\"\/Core_Page\/Services_Page\":701}","ml_intent_types_json":"{\"Transactional\":859,\"Navigational\":165}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1617801872,"attrs_is_republished":0,"attrs_nr_words":"337","attrs_boilerpipe_nr_words":"310","body_ext_links_number":3,"body_int_links_number":2,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":523,"download_ttfb_msec":523,"download_size":3304}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

6 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`	0.2 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://verify.cowin.gov.in/

Last Crawled

2026-04-21 02:47:36 (6 days ago)

First Indexed

2021-04-07 13:24:32 (5 years ago)

HTTP Status Code

200

Content

Meta Title

Vaccination certificate verification application

Meta Description

India covid-19 Vaccination certificate verification web application

Meta Canonical

null

Boilerpipe Text

The Co-WIN vaccination certificate has a digitally signed secure QR code. This can be authenticated online using the verification utility in this portal or using third party verification app using the services outlined below. Option 1 – Online verification Steps for online verification: Visit https://verify.cowin.gov.in/ Click on “Scan QR” code A notification will prompt to activate your device’s camera Point the camera to the QR code on the bottom right of the certificate issued and scan Please keep the following points in mind while scanning the QR code QR code should cover at-least 70%-80% of screen Complete QR code should be part of camera frame QR code should be parallel to the camera Camera should be hold steadily for at-least 5 sec If camera is unable to read the QR code within 45 seconds, a message - “Camera is not able to read the QR code, please try again” with a try again button will be displayed. Verifier will be required to scan the QR code again following the instructions mentioned in Step 2. On successful verification, following attributes are displayed on the screen: Message “Certificate Successfully Verified” Name Age Gender Certificate ID Beneficiary ID Vaccine Name Date of Dose Vaccination Status Vaccination at In case of an unsuccessful verification if the certificate is not genuine, screen will show the message “Certificate Invalid” You can view a demo video of 'how to verify’ Option 2 – Offline verification through third party verifier app Steps for offline verification: Access the Co-WIN verification service and code for set up here Get code snippet for reference and implement Replace the public key used in code snippet with Public key available here . Implement the verification service in your apps to scan, read and validate Co-WIN certificates In case you need any clarification or support in implementing the verifier app, contact divoc-support@egov.org.in or partner@cowin.gov.in

Markdown

Verification requires cryptographic valication in javascript and You need to enable JavaScript to run this app. ![banner-img](https://verify.cowin.gov.in/static/media/verify-certificate.29230f43.png) ### Verify a vaccination certificate Scan QR code![](https://verify.cowin.gov.in/static/media/qr-code.0d1efb4c.svg) The Co-WIN vaccination certificate has a digitally signed secure QR code. This can be authenticated online using the verification utility in this portal or using third party verification app using the services outlined below. ###### Option 1 – Online verification Steps for online verification: 1. Visit <https://verify.cowin.gov.in/> 2. Click on **“Scan QR”** code 3. A notification will prompt to activate your device’s camera 4. Point the camera to the QR code on the bottom right of the certificate issued and scan 5. Please keep the following points in mind while scanning the QR code - QR code should cover at-least 70%-80% of screen - Complete QR code should be part of camera frame - QR code should be parallel to the camera - Camera should be hold steadily for at-least 5 sec 6. If camera is unable to read the QR code within 45 seconds, a message - **“Camera is not able to read the QR code, please try again”** with a try again button will be displayed. Verifier will be required to scan the QR code again following the instructions mentioned in Step 2. 7. On successful verification, following attributes are displayed on the screen: 8. In case of an unsuccessful verification if the certificate is not genuine, screen will show the message “Certificate Invalid” You can view a [demo video](https://divoc.egov.org.in/demo-videos/13.-certificate-verification) of 'how to verify’ *** ###### Option 2 – Offline verification through third party verifier app Steps for offline verification: 1. Access the Co-WIN verification service and code for set up [here](https://github.com/egovernments/DIVOC/tree/india/verification) 2. Get code snippet for reference and implement 3. Replace the public key used in code snippet with Public key available [here](https://verify.cowin.gov.in/did:india). 4. Implement the verification service in your apps to scan, read and validate Co-WIN certificates In case you need any clarification or support in implementing the verifier app, contact [divoc-support@egov.org.in](mailto:divoc-support@egov.org.in) or [partner@cowin.gov.in](mailto:partner@cowin.gov.in)

Readable Markdown

The Co-WIN vaccination certificate has a digitally signed secure QR code. This can be authenticated online using the verification utility in this portal or using third party verification app using the services outlined below. ###### Option 1 – Online verification Steps for online verification: 1. Visit <https://verify.cowin.gov.in/> 2. Click on **“Scan QR”** code 3. A notification will prompt to activate your device’s camera 4. Point the camera to the QR code on the bottom right of the certificate issued and scan 5. Please keep the following points in mind while scanning the QR code - QR code should cover at-least 70%-80% of screen - Complete QR code should be part of camera frame - QR code should be parallel to the camera - Camera should be hold steadily for at-least 5 sec 6. If camera is unable to read the QR code within 45 seconds, a message - **“Camera is not able to read the QR code, please try again”** with a try again button will be displayed. Verifier will be required to scan the QR code again following the instructions mentioned in Step 2. 7. On successful verification, following attributes are displayed on the screen: 8. In case of an unsuccessful verification if the certificate is not genuine, screen will show the message “Certificate Invalid” You can view a [demo video](https://divoc.egov.org.in/demo-videos/13.-certificate-verification) of 'how to verify’ *** ###### Option 2 – Offline verification through third party verifier app Steps for offline verification: 1. Access the Co-WIN verification service and code for set up [here](https://github.com/egovernments/DIVOC/tree/india/verification) 2. Get code snippet for reference and implement 3. Replace the public key used in code snippet with Public key available [here](https://verify.cowin.gov.in/did:india). 4. Implement the verification service in your apps to scan, read and validate Co-WIN certificates In case you need any clarification or support in implementing the verifier app, contact [divoc-support@egov.org.in](mailto:divoc-support@egov.org.in) or [partner@cowin.gov.in](mailto:partner@cowin.gov.in)

ML Classification

ML Categories

/Health		81.8%
/Health/Public_Health		77.9%
/Health/Public_Health/Health_Policy		72.9%
/Law_and_Government		43.3%
/Law_and_Government/Public_Safety		25.9%

Raw JSON

{
    "/Health": 818,
    "/Health/Public_Health": 779,
    "/Health/Public_Health/Health_Policy": 729,
    "/Law_and_Government": 433,
    "/Law_and_Government/Public_Safety": 259
}

ML Page Types

/Core_Page		71.3%
/Core_Page/Services_Page		70.1%

Raw JSON

{
    "/Core_Page": 713,
    "/Core_Page/Services_Page": 701
}

ML Intent Types

Transactional		85.9%
Navigational		16.5%

Raw JSON

{
    "Transactional": 859,
    "Navigational": 165
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2021-04-07 13:24:32 (5 years ago)

Republished

Word Count (Total)

337

Word Count (Content)

310

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

523

TTFB (ms)

523

Download Size (bytes)

3,304

Shard

100 (laksa)

Root Hash

200119435801660900

Unparsed URL

in,gov,cowin!verify,/ s443