🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 103 (from laksa197)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa103.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://www.iiste.org/Journals/index.php/MTM/article/view/24911/25514\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.iiste.org/Journals/index.php/MTM/article/view/24911/25514\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/view\/24911\/25514","crawl_time":1775672262,"first_indexed_time":1534800818,"http_code":200,"src_unparsed":"org,iiste!www,\/Journals\/index.php\/MTM\/article\/view\/24911\/25514 s443","src_root_hash":"4066129748641735303","history_drop_reason":null,"meta_title":"A Geometric Interpretation and Comparison of the Methods Of Ordinary Least Square (OLS) and Bivariate Lagrange Interpolation | Cavdar | Mathematical Theory and Modeling","meta_descriptions":["A Geometric Interpretation and Comparison of the Methods Of Ordinary Least Square (OLS) and Bivariate Lagrange Interpolation"],"attrs_boilerpipe_text":"The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of\nAdobe Acrobat Reader\n).\nAlternatively, you can also download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link below.\nIf you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful\nFrequently Asked Questions about PDFs\n.\nDownload this PDF file\nFullscreen\nFullscreen Off\nTo list your conference here. Please contact the administrator of this platform.\nPaper submission email: MTM@iiste.org\nISSN (Paper)2224-5804 ISSN (Online)2225-0522\nPlease add our address \"contact@iiste.org\" into your email contact list.\nThis journal follows ISO 9001 management standard and licensed under a Creative Commons Attribution 3.0 License.\nCopyright © www.iiste.org","attrs_markdown":"![logo](https:\/\/www.iiste.org\/Journals\/images\/logo.jpg)\n\nsite description\n\n- [Home](http:\/\/iiste.org\/)\n- [Journals](https:\/\/www.iiste.org\/journals)\n- [Conferences](https:\/\/www.iiste.org\/conference\/)\n- [Books](https:\/\/www.iiste.org\/book\/)\n- [About us](https:\/\/www.iiste.org\/home-international-institute-for-science-technology-and-education-iiste\/about-iiste\/)\n# ![Page Header Logo](https:\/\/www.iiste.org\/Journals\/public\/journals\/22\/pageHeaderLogoImage_en_US.jpg) Mathematical Theory and Modeling\n- [Home](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/index)\n- [Search](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/search)\n- [Current Issue](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/issue\/current)\n- [Back Issues](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/issue\/archive)\n- [Announcements](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/announcement)\n- [Full List of Journals](https:\/\/www.iiste.org\/journals)\n- [Migrate a Journal](https:\/\/www.iiste.org\/journals\/migrate-a-journal-or-start-a-new-one-with-iiste\/)\n- [Special Issue Service](https:\/\/www.iiste.org\/journals\/start-a-special-issue-with-iiste-journals\/)\n- [Conference Publishing](https:\/\/www.iiste.org\/conference\/publish-a-proceeding-special-issue-with-iiste\/)\n- [Editorial Board](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/pages\/view\/EditorialBoard)\n- [OPEN ACCESS Policy](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/pages\/view\/OAP)\n\nFont Size\n\nJournal Content Search\n\nBrowse\n\n- [By Issue](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/issue\/archive)\n- [By Author](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/search\/authors)\n- [By Title](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/search\/titles)\n- [Other Journals](https:\/\/www.iiste.org\/Journals\/index.php\/index)\n\n[Home](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/index) \\> [Vol 5, No 9 (2015)](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/issue\/view\/1936) \\> [Cavdar](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/view\/24911\/25514)\n\nThe PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of [Adobe Acrobat Reader](http:\/\/www.adobe.com\/products\/acrobat\/readstep2.html)).\n\nAlternatively, you can also download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link below.\n\nIf you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful [Frequently Asked Questions about PDFs](http:\/\/highwire.stanford.edu\/help\/pdf-faq.dtl).\n\n[Download this PDF file](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/download\/24911\/25514) [Fullscreen](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/view\/24911\/25514) [Fullscreen Off](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/view\/24911\/25514)\n\n[![Download the IISTE publication guideline\\!](https:\/\/www.iiste.org\/sub\/iiste_footer_journal.jpg)](https:\/\/www.iiste.org\/sub\/PaperSubmissionGuide.doc)\n\n[To list your conference here. Please contact the administrator of this platform.](mailto:advertise@iiste.org)\n\n**Paper submission email: MTM@iiste.org**\n\nISSN (Paper)2224-5804 ISSN (Online)2225-0522\n\nPlease add our address \"contact@iiste.org\" into your email contact list.\n\nThis journal follows ISO 9001 management standard and licensed under a Creative Commons Attribution 3.0 License.\n\nCopyright © www.iiste.org","attrs_readable_markdown":"The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of [Adobe Acrobat Reader](http:\/\/www.adobe.com\/products\/acrobat\/readstep2.html)).\n\nAlternatively, you can also download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link below.\n\nIf you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful [Frequently Asked Questions about PDFs](http:\/\/highwire.stanford.edu\/help\/pdf-faq.dtl).\n\n[Download this PDF file](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/download\/24911\/25514) [Fullscreen](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/view\/24911\/25514) [Fullscreen Off](https:\/\/www.iiste.org\/Journals\/index.php\/MTM\/article\/view\/24911\/25514)\n\n[![Download the IISTE publication guideline\\!](https:\/\/www.iiste.org\/sub\/iiste_footer_journal.jpg)](https:\/\/www.iiste.org\/sub\/PaperSubmissionGuide.doc)    \n     \n [To list your conference here. Please contact the administrator of this platform.](mailto:advertise@iiste.org)\n\n**Paper submission email: MTM@iiste.org**\n\nISSN (Paper)2224-5804 ISSN (Online)2225-0522\n\nPlease add our address \"contact@iiste.org\" into your email contact list.\n\nThis journal follows ISO 9001 management standard and licensed under a Creative Commons Attribution 3.0 License.\n\nCopyright © www.iiste.org","meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":null,"attrs_author":null,"attrs_publish_time":1440979200,"attrs_original_publish_time":1440979200,"attrs_is_republished":0,"attrs_nr_words":"232","attrs_boilerpipe_nr_words":"141","body_ext_links_number":4,"body_int_links_number":28,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":417,"download_ttfb_msec":386,"download_size":6087}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

18 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`	0.6 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.iiste.org/Journals/index.php/MTM/article/view/24911/25514
Last Crawled	2026-04-08 18:17:42 (18 days ago)
First Indexed	2018-08-20 21:33:38 (7 years ago)
HTTP Status Code	200
Content
Meta Title	A Geometric Interpretation and Comparison of the Methods Of Ordinary Least Square (OLS) and Bivariate Lagrange Interpolation \| Cavdar \| Mathematical Theory and Modeling
Meta Description	A Geometric Interpretation and Comparison of the Methods Of Ordinary Least Square (OLS) and Bivariate Lagrange Interpolation
Meta Canonical	null
Boilerpipe Text	The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader ). Alternatively, you can also download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link below. If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs . Download this PDF file Fullscreen Fullscreen Off To list your conference here. Please contact the administrator of this platform. Paper submission email: MTM@iiste.org ISSN (Paper)2224-5804 ISSN (Online)2225-0522 Please add our address "contact@iiste.org" into your email contact list. This journal follows ISO 9001 management standard and licensed under a Creative Commons Attribution 3.0 License. Copyright © www.iiste.org
Markdown	![logo](https://www.iiste.org/Journals/images/logo.jpg) site description - [Home](http://iiste.org/) - [Journals](https://www.iiste.org/journals) - [Conferences](https://www.iiste.org/conference/) - [Books](https://www.iiste.org/book/) - [About us](https://www.iiste.org/home-international-institute-for-science-technology-and-education-iiste/about-iiste/) # ![Page Header Logo](https://www.iiste.org/Journals/public/journals/22/pageHeaderLogoImage_en_US.jpg) Mathematical Theory and Modeling - [Home](https://www.iiste.org/Journals/index.php/MTM/index) - [Search](https://www.iiste.org/Journals/index.php/MTM/search) - [Current Issue](https://www.iiste.org/Journals/index.php/MTM/issue/current) - [Back Issues](https://www.iiste.org/Journals/index.php/MTM/issue/archive) - [Announcements](https://www.iiste.org/Journals/index.php/MTM/announcement) - [Full List of Journals](https://www.iiste.org/journals) - [Migrate a Journal](https://www.iiste.org/journals/migrate-a-journal-or-start-a-new-one-with-iiste/) - [Special Issue Service](https://www.iiste.org/journals/start-a-special-issue-with-iiste-journals/) - [Conference Publishing](https://www.iiste.org/conference/publish-a-proceeding-special-issue-with-iiste/) - [Editorial Board](https://www.iiste.org/Journals/index.php/MTM/pages/view/EditorialBoard) - [OPEN ACCESS Policy](https://www.iiste.org/Journals/index.php/MTM/pages/view/OAP) Font Size Journal Content Search Browse - [By Issue](https://www.iiste.org/Journals/index.php/MTM/issue/archive) - [By Author](https://www.iiste.org/Journals/index.php/MTM/search/authors) - [By Title](https://www.iiste.org/Journals/index.php/MTM/search/titles) - [Other Journals](https://www.iiste.org/Journals/index.php/index) [Home](https://www.iiste.org/Journals/index.php/MTM/index) \> [Vol 5, No 9 (2015)](https://www.iiste.org/Journals/index.php/MTM/issue/view/1936) \> [Cavdar](https://www.iiste.org/Journals/index.php/MTM/article/view/24911/25514) The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of [Adobe Acrobat Reader](http://www.adobe.com/products/acrobat/readstep2.html)). Alternatively, you can also download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link below. If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful [Frequently Asked Questions about PDFs](http://highwire.stanford.edu/help/pdf-faq.dtl). [Download this PDF file](https://www.iiste.org/Journals/index.php/MTM/article/download/24911/25514) [Fullscreen](https://www.iiste.org/Journals/index.php/MTM/article/view/24911/25514) [Fullscreen Off](https://www.iiste.org/Journals/index.php/MTM/article/view/24911/25514) [![Download the IISTE publication guideline\!](https://www.iiste.org/sub/iiste_footer_journal.jpg)](https://www.iiste.org/sub/PaperSubmissionGuide.doc) [To list your conference here. Please contact the administrator of this platform.](mailto:advertise@iiste.org) Paper submission email: MTM@iiste.org ISSN (Paper)2224-5804 ISSN (Online)2225-0522 Please add our address "contact@iiste.org" into your email contact list. This journal follows ISO 9001 management standard and licensed under a Creative Commons Attribution 3.0 License. Copyright © www.iiste.org
Readable Markdown	The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of [Adobe Acrobat Reader](http://www.adobe.com/products/acrobat/readstep2.html)). Alternatively, you can also download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link below. If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful [Frequently Asked Questions about PDFs](http://highwire.stanford.edu/help/pdf-faq.dtl). [Download this PDF file](https://www.iiste.org/Journals/index.php/MTM/article/download/24911/25514) [Fullscreen](https://www.iiste.org/Journals/index.php/MTM/article/view/24911/25514) [Fullscreen Off](https://www.iiste.org/Journals/index.php/MTM/article/view/24911/25514) [![Download the IISTE publication guideline\!](https://www.iiste.org/sub/iiste_footer_journal.jpg)](https://www.iiste.org/sub/PaperSubmissionGuide.doc) [To list your conference here. Please contact the administrator of this platform.](mailto:advertise@iiste.org) Paper submission email: MTM@iiste.org ISSN (Paper)2224-5804 ISSN (Online)2225-0522 Please add our address "contact@iiste.org" into your email contact list. This journal follows ISO 9001 management standard and licensed under a Creative Commons Attribution 3.0 License. Copyright © www.iiste.org
ML Classification
ML Categories	null
ML Page Types	null
ML Intent Types	null
Content Metadata
Language	null
Author	null
Publish Time	2015-08-31 00:00:00 (10 years ago)
Original Publish Time	2015-08-31 00:00:00 (10 years ago)
Republished	No
Word Count (Total)	232
Word Count (Content)	141
Links
External Links	4
Internal Links	28
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	417
TTFB (ms)	386
Download Size (bytes)	6,087
Shard	103 (laksa)
Root Hash	4066129748641735303
Unparsed URL	org,iiste!www,/Journals/index.php/MTM/article/view/24911/25514 s443