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4 live sites using Clerk.io right now

Personalisation · by Clerk.io · since 2012 · Proprietary

4 sites Dataset updated · 2026-10-03
Categories Personalisation
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All figures here come from one snapshot of the webatla database, taken on this date (UTC). We usually refresh it every day.
4 Sites detected
0.0% Of all websites

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Clerk.io detection is a value inside the Technologies column. Two datasets carry it, switch between them to compare what's included.

webatla-technologies-clerk-io-2026-10-03.jsonl.zst · 4 rows · 14 columns Daily fresh export
DomainTLD suffixTLDDomain typeHTTP statusIP addressCountry by IPSocial networksTechnologies last data checkedTechnologiesPR valueHarmonic valueDomain creation dateDomain expiration date
workeasy.nononoICANNHTTP 200188.166.203.179NL{"facebook":["https://facebook.com/workeasy.no"],"linkedin":["https://linkedin.com/company/workeasy"]}2026-09-22PHP, HSTS, MySQL, Nginx, HTTP/2, Favicon, Magento, Clerk.io, Polyfill 3, MailChimp0.0000000038830702026-08-13—
batteribyen.dkdkdkICANNHTTP 200167.235.163.182DE{"facebook":["https://facebook.com/batteribyen"]}2026-09-28PHP, PWA, UPS, HSTS, MySQL, Nginx 1.28.0, HTTP/2, PayPal, Favicon, Klaviyo0.0000000207113,447,6402003-10-292026-10-31
batterionline.seseseICANNHTTP 200167.235.163.182DE{"facebook":["https://facebook.com/batteribyen"]}2026-09-28Google Analytics GA4 G-WZ8MB6TJTK, PHP, PWA, UPS, HSTS, MySQL, Nginx 1.28.0, HTTP/2, PayPal, Favicon0.0000000088031111,729,4092011-04-282027-04-28
batterionline.nononoICANNHTTP 200167.235.163.182DE{"facebook":["https://facebook.com/batteribyen"]}2026-09-28PHP, PWA, UPS, HSTS, MySQL, Nginx 1.28.0, HTTP/2, PayPal, Favicon, Klaviyo0.0000000053923511,984,1852017-10-27—
……………………………………
DomainTLD suffixTLDDomain typeHTTP statusIP addressCountry by IPSocial networksTechnologies last data checkedTechnologiesDNS last data checkedDNS StatusDNS recordsPR valueHarmonic valueRDAP/WHOIS last data checkedRDAP/WHOIS methodDomain creation dateDomain expiration dateDomain last changedRegistrarRDAP/WHOIS RecordResponse Status RDAP/WHOIS
workeasy.nononoICANNHTTP 200188.166.203.179NL{"facebook":["https://facebook.com/workeasy.no"],"linkedin":["https://linkedin.com/company/workeasy"]}2026-09-22PHP, HSTS, MySQL, Nginx, HTTP/2, Favicon, Magento, Clerk.io, Polyfill 3, MailChimp2026-09-26TRUE{"A":["188.166.203.179"],"MX":[{"host":"mx1-proisp-no.pub.mailpod1-osl1.one.com","priority":10},{"host":"mx2-proisp-no.pub.mailpod1-osl1.one.com","priority":10},{"host":"mx3-proisp-no.pub.mailpod1-osl1.one.com","priority":10}],"NS":["ns01.proisp.no","ns02.proisp.no"],"SOA":{"mname":"ns01.proisp.no","retry":3600,"rname":"hostmaster.proisp.no","expire":1209600,"serial":2026092601,"minimum":600,"refresh":14400},"TXT":["google-site-verification=InMAfJdgXQgAIiYDFyUp0v5MCNFyWFb5VsXzej1SZck","v=spf1 include:_spf.proisp.no +a +mx +include:servers.mcsv.net -all"]}0.0000000038830702026-09-23RDAP2026-08-13—2026-06-27GROUP.ONE NORWAY AS{"raw_response":{"links":[{"rel":"self","href":"https://rdap.norid.no/domain/workeasy.no","type":"application/rdap+json","value":"https://rdap.norid.no/domain/workeasy.no"}],"events":[{"eventDate":"2026-08-13T12:58:16Z","eventAction":"registration"}],"handle":"WOR2597D-NORID","ldhName":"workeasy.no","notices":[{"links":[{"rel":"alternate","href":"https://www.norid.no/en/domeneoppslag/vilkar","type":"text/html","value":"https://rdap.norid.no/domain/workeasy.no"}],"title":"Terms of use","description":["By looking up information in the domain registration directory","service, you confirm that you accept the terms and conditions","of the service.","Norid AS holds the copyright to the lookup service,","content, layout and the underlying collections of information","used in the service (cf. the Act on Intellectual Property of","May 2, 1961, No. 2). Any commercial use of information from","the service, including targeted marketing, is prohibited.","Using information from the domain registration directory","service in violation of the terms and conditions may result in","legal prosecution."]}],"entities":[{"links":[{"rel":"self","href":"https://rdap.norid.no/entity/PIA142R-NORID","type":"application/rdap+json","value":"https://rdap.norid.no/entity/PIA142R-NORID"}],"roles":["technical"],"events":[{"eventDate":"2019-09-23T09:48:44Z","eventAction":"registration"},{"eventDate":"2024-12-10T12:24:15Z","eventAction":"last changed"}],"handle":"PIA142R-NORID","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","PRO ISP AS"],["kind",{},"text","group"],["adr",{},"text",["","",[],"","","","NORWAY"]],["tel",{"type":["voice"]},"uri","tel:+47.51200870"],["email",{"pref":"1"},"text","hostmaster@proisp.no"]]],"objectClassName":"entity"},{"links":[{"rel":"self","href":"https://rdap.norid.no/entity/reg334-NORID","type":"application/rdap+json","value":"https://rdap.norid.no/entity/reg334-NORID"}],"roles":["registrar"],"events":[{"eventDate":"2010-10-01T12:07:21Z","eventAction":"registration"},{"eventDate":"2026-08-13T12:47:47Z","eventAction":"last changed"}],"handle":"reg334-NORID","publicIds":[{"type":"Norwegian organization number","identifier":"984106211"},{"type":"Norid registrar ID","identifier":"reg334"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GROUP.ONE NORWAY AS"],["kind",{},"text","org"],["adr",{},"text",["","",["Jernbanegaten 3"],"Tønsberg","","NO-3111","NORWAY"]],["url",{},"uri","https://www.uniweb.no"],["tel",{"type":["voice"]},"uri","tel:+47.33350400"],["email",{"pref":"1"},"text","support@uniweb.no"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"links":[{"rel":"self","href":"https://rdap.norid.no/nameserver_handle/NSPR2971H-NORID","type":"application/rdap+json","value":"https://rdap.norid.no/nameserver_handle/NSPR2971H-NORID"}],"events":[{"eventDate":"2023-06-26T10:43:47Z","eventAction":"registration"}],"handle":"NSPR2971H-NORID","ldhName":"ns01.proisp.no","entities":[{"links":[{"rel":"self","href":"https://rdap.norid.no/entity/IAFR5R-NORID","type":"application/rdap+json","value":"https://rdap.norid.no/entity/IAFR5R-NORID"}],"roles":["technical"],"events":[{"eventDate":"2010-10-01T16:26:22Z","eventAction":"registration"},{"eventDate":"2025-09-08T07:28:42Z","eventAction":"last changed"}],"handle":"IAFR5R-NORID","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GROUP.ONE NORWAY AS"],["kind",{},"text","group"],["adr",{},"text",["","",[],"","","","NORWAY"]],["tel",{"type":["voice"]},"uri","tel:+47.33333820"],["email",{"pref":"1"},"text","hostmaster@uniweb.no"]]],"objectClassName":"entity"}],"objectClassName":"nameserver"},{"links":[{"rel":"self","href":"https://rdap.norid.no/nameserver_handle/NSPR2972H-NORID","type":"application/rdap+json","value":"https://rdap.norid.no/nameserver_handle/NSPR2972H-NORID"}],"events":[{"eventDate":"2023-06-26T10:43:52Z","eventAction":"registration"}],"handle":"NSPR2972H-NORID","ldhName":"ns02.proisp.no","entities":[{"links":[{"rel":"self","href":"https://rdap.norid.no/entity/IAFR5R-NORID","type":"application/rdap+json","value":"https://rdap.norid.no/entity/IAFR5R-NORID"}],"roles":["technical"],"events":[{"eventDate":"2010-10-01T16:26:22Z","eventAction":"registration"},{"eventDate":"2025-09-08T07:28:42Z","eventAction":"last changed"}],"handle":"IAFR5R-NORID","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GROUP.ONE NORWAY AS"],["kind",{},"text","group"],["adr",{},"text",["","",[],"","","","NORWAY"]],["tel",{"type":["voice"]},"uri","tel:+47.33333820"],["email",{"pref":"1"},"text","hostmaster@uniweb.no"]]],"objectClassName":"entity"}],"objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","rdap_objectTag_level_0","norid_level_0"]}}Domain is active
batteribyen.dkdkdkICANNHTTP 200167.235.163.182DE{"facebook":["https://facebook.com/batteribyen"]}2026-09-28PHP, PWA, UPS, HSTS, MySQL, Nginx 1.28.0, HTTP/2, PayPal, Favicon, Klaviyo2026-09-21TRUE{"A":["167.235.163.182"],"DS":[{"digest":"18b05525cb22d2b3c3e328bfd0ba24531459c1b5c555dd01adb2c06d6f476473","key_tag":4909,"algorithm":8,"digest_type":2}],"MX":[{"host":"batteribyen-dk.mail.protection.outlook.com","priority":10}],"NS":["ns1.eurodns.com","ns2.eurodns.com","ns3.eurodns.com","ns4.eurodns.com"],"SOA":{"mname":"ns1.eurodns.com","retry":7200,"rname":"hostmaster.eurodns.com","expire":604800,"serial":2025122350,"minimum":86400,"refresh":86400},"TXT":["MS=ms49278327","facebook-domain-verification=mmrubshwfffciw3oeuemszshtpi3m3","google-site-verification=a0x3-UxEcrJrTiL-JCgPwvHNf03I-CV6WxedkM1z0R8","klaviyo-site-verification=J3qWuA","v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;","v=spf1 ip4:80.209.43.102 ip4:185.163.189.0/24 ip4:167.235.163.182 include:spf.protection.outlook.com ip4:54.229.40.125 ip4:185.11.185.64/29 a:smtpspare.edi-soft.com a:mail.edisoft.no include:spf.mandrillapp.com include:spf.dixa.io include:customer-spf.web shipper.com include:_spf.herodesk-mails.io include:send.heysender.com -all"],"DNSKEY":[{"flags":256,"protocol":3,"algorithm":8,"public_key":"AwEAAanypg5VoE7M+AHwQ2Uf+CMPRuUvLIDRzaYbq4POX4BSVPNuQd4F1WBz5OFBmeOoz4BG8gOdIX81O+xZhgG2OBWZu9I4dFvp7IR6bRy98mxUTdRrfWLR57lKvj+I0/dnsLNwCI+rQw4bfIF+QiyfZfMNtc0ou5esQKF8Wtvz4wLmgUuGuhxSJo1zVhsTxv/4EJGRRUmqUM/30lNPnKL9rv46+/jSF8YsORIaUVc/Dfe7bdrgFFw7ftuut8BOEFXlytX/p7V6qJmC56NCY3ASVHKAER70ttNSpWJmogTs5eqsUa0l+rlbyCRCKfIMBe0gx0tGiqAzYKrjIA94Xw1pfg0="},{"flags":256,"protocol":3,"algorithm":8,"public_key":"AwEAAbBunmtHUFrXvGgYlF2C8KStDUc9sstya7RdxKqg943xx6x2R2RJrT38NNCwUb1tW57NZvRi/MkqblbKhZbjUNpM8FaYy6RKCf95pEQU4ca25QBlms+emcwKYPifMozjv9SpW2Nq+fQqhUN+8aUYNFGVWsXExmgIUzLimkSJd8fhTGgm1NzSe0c5V6h0hXGAW6ymk/9MnU5z372JeVCz5WBAn2PeLtz0r1iJtjuLyHvjEDYbA4UAPmZR/hU69jF6D8MoPycg0WGBeDMiq9bdGmGzyN4QtvqQcIJzJoGbo489zK94VBQbSmpadeV3yqDd8HUcF8ohqnUK760C46twuyk="},{"flags":257,"protocol":3,"algorithm":8,"public_key":"AwEAAZO9fd0tO4smD9Qrsb6xXpRXdjjT+S8RXuzKjsrUUonnGxoPWBqJSOH9gsHANkZCBOrol9sIKwl25NnA8CjKA/8hEP49k9OSiSAwUuVZp9KTQFDbUDuY1sLGMideiiyd56RssT6KE5bi/Do9CY9iEuztS5Pgb3B3N15peltqcu5tqnA3BIKgE7OvZum9/92K4zox8P3kiGbbDS2LATbKs2kZkKnZeAxg0PGb+HXMZeaLZWKxo8Y4J445dHO7PRNvpMF+norCRjXcP5oWtOY7D9++BOHsAMN6kADmsqd43bdxGZ5i97nIx46UvGLuwxgNz8btuXAHJamGrIwD6iHcmcs="}]}0.0000000207113,447,6402025-11-04WHOIS2003-10-292026-10-31—Eurodns S.A{"raw_response":"# Hello 45.39.50.166. Your session has been logged.\n#\n# Copyright (c) 2002 - 2025 by Punktum dk A/S\n#\n# Version: 6.1.0\n#\n# The data in the DK Whois database is provided by Punktum dk A/S\n# for information purposes only, and to assist persons in obtaining\n# information about or related to a domain name registration record.\n# We do not guarantee its accuracy. We will reserve the right to remove\n# access for entities abusing the data, without notice.\n#\n# Any use of this material to target advertising or similar activities\n# are explicitly forbidden and will be prosecuted. Punktum dk A/S\n# requests to be notified of any such activities or suspicions thereof.\n\nDomain: batteribyen.dk\nDNS: batteribyen.dk\nRegistered: 2003-10-29\nExpires: 2026-10-31\nRegistrar: Eurodns S.A\nRegistration period: 1 year\nVID: no\nDNSSEC: Signed delegation\nStatus: Active\n\nNameservers\nHostname: ns1.eurodns.com\nHostname: ns2.eurodns.com\nHostname: ns3.eurodns.com\nHostname: ns4.eurodns.com\n\n# Use option --show-handles to get handle information.\n# whois -h whois.punktum.dk HELP for more help.\n"}Domain is active
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batterionline.nononoICANNHTTP 200167.235.163.182DE{"facebook":["https://facebook.com/batteribyen"]}2026-09-28PHP, PWA, UPS, HSTS, MySQL, Nginx 1.28.0, HTTP/2, PayPal, Favicon, Klaviyo2026-09-22TRUE{"A":["167.235.163.182"],"DS":[{"digest":"d2c8ac1585e443ab04578934998191a4fbb6470de06bc18b29f4ef244906c242","key_tag":22426,"algorithm":8,"digest_type":2}],"MX":[{"host":"batterionline-no.mail.protection.outlook.com","priority":10}],"NS":["ns1.eurodns.com","ns2.eurodns.com","ns3.eurodns.com","ns4.eurodns.com"],"SOA":{"mname":"ns1.eurodns.com","retry":7200,"rname":"hostmaster.eurodns.com","expire":1209600,"serial":2025091167,"minimum":86400,"refresh":43200},"TXT":["MS=ms57070008","facebook-domain-verification=a318pnjvh18bn8rp0wf16ypl51rjqq","google-site-verification=4aShRv9zuCYGWBa5WpgQsIJZMTMmV1JIgi6c0JdWb8A","klaviyo-site-verification=VFvquu","v=spf1 ip4:80.209.43.102 ip4:185.163.189.0/24 ip4:167.235.163.182 include:spf.protection.outlook.com ip4:54.229.40.125 ip4:185.11.185.64/29 a:smtpspare.edi-soft.com a:mail.edisoft.no include:spf.mandrillapp.com include:spf.dixa.io include:customer-spf.web shipper.com include:_spf.herodesk-mails.io -all"],"DNSKEY":[{"flags":256,"protocol":3,"algorithm":8,"public_key":"AwEAAZ5YyD2w90LF5btmepTgdGDK67MI+AxQQYVxj79T1Pa34Ma9AwZRIvY4MpFY4U3OD6+rre1la3I+UGTCAoJCzvUfNaE/2/iJkP8fF+d7QoxkLgUUufikADKzG+7lgRcSbCx8sjZ7ZANmxYHAXuhshPlrNtPwlyofF79cImtbZVzsYqadFQBDZQv/Stz6XUij+sc4xpaubBc99VN42RKUBfuJC8e3cpLYzkSab8tWgRqjhcuxTVozI/fscuUhW0WX0D0ZXXT/lprYmIupRIPrXSqjAZDAFz5Vfsq8eKFCU+HrvHs1E5bLGoWtLuD9R7s2PtoSivgN+R0Ptw12pOeaQBs="},{"flags":256,"protocol":3,"algorithm":8,"public_key":"AwEAAbA05oU5Am8XY/2YqVAk92L7aY1RnHJnOm9V4BeocYtGgNfAVEhGp3S6e/Jbw5jZXb43mTXlD4oV1fQKRo6vRAhqLWoxfMbhHHqDY/02VEoxkcR5qA9is8fVcdGrC/vkjSo5V/Pirw1Foz3/MBv3f+kpLFBsdvGmNiV9zvlxY9F947u69LweoMSGQ8cbd4moSUNYirzgn4TwMLiNHrW/baP23sN5emV17WkUU5g5ha0e2ALamDZywQNjebfTRvjAR7FNY739HpmgmOZB6nKFM8FfcmjsBoxNmetmhZz6/e16w/3q7CRXgPhwHBr21SCtucXgNYk48mj6NMVx6xF33Mc="},{"flags":257,"protocol":3,"algorithm":8,"public_key":"AwEAAff1X0xQNHfKt5NrpN0v+mX+pO+6VvvqrVlMV8vPBNzNYGTNWQe1kpEK7G/nCGlAuSSquzjGE9zlYOciZ/tZhae2zK8paaTFx0+0Ab+36kzgCaA2oNy9nogOgT92hzRYomN7LLC3HoKCaRHHvrhVo73NKUz3czn/A91gAgXQfBKPsRj5BESlVIhSuzYn3DO9MbQkQOGpuGXK1nCXxbEgcjkSZLVWQ4hapeqN7nMi4Wm6raJaGYR0QhGUNZkfNrC60qL6CetjEAbWw5Xs0JdHz6gt56KhN3RARQZzeusMwzi1Ty6YzXIT4l9DWrv1NHrmyZePoXgco0Lg6GgXk6aXlEM="}]}0.0000000053923511,984,1852026-09-25RDAP2017-10-27—2025-10-14EuroDNS SA{"raw_response":{"links":[{"rel":"self","href":"https://rdap.norid.no/domain/batterionline.no","type":"application/rdap+json","value":"https://rdap.norid.no/domain/batterionline.no"}],"events":[{"eventDate":"2017-10-27T07:30:01Z","eventAction":"registration"},{"eventDate":"2025-10-14T07:03:40Z","eventAction":"last changed"}],"handle":"BAT1294D-NORID","ldhName":"batterionline.no","notices":[{"links":[{"rel":"alternate","href":"https://www.norid.no/en/domeneoppslag/vilkar","type":"text/html","value":"https://rdap.norid.no/domain/batterionline.no"}],"title":"Terms of use","description":["By looking up information in the domain registration directory","service, you confirm that you accept the terms and conditions","of the service.","Norid AS holds the copyright to the lookup service,","content, layout and the underlying collections of information","used in the service (cf. the Act on Intellectual Property of","May 2, 1961, No. 2). 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Showing 4 of 4 rows · Technologies · Full website tech stack per site: CMS, payments, analytics, frameworks.

The Clerk.io dataset

Every site we've detected as running Clerk.io, with version, hosting, country, TLD and traffic rank.

Clerk.io lives inside 2 datasets

Clerk.io detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 4-site list, or grab a free preview first.

Your Clerk.io downloads

The datasets you own, sliced to Clerk.io. Every button streams the latest daily export directly.

Format: JSONL (zstd) Dataset updated: 2026-10-03

API, columns & recipes → /account/api

About Clerk.io

The search box on an online store, and the strip of suggested products under it, are rarely built by the store. Retailers buy both as a hosted service that indexes the catalogue, watches what shoppers click and returns ranked results through an API. Clerk.io is a component of that kind rather than a storefront in its own right.

The distinction matters for anyone reading the export. A site detected with Clerk.io is running something else underneath, some shop platform that owns the catalogue and the checkout, with the personalisation layer sitting on top of it. Co-occurrence is therefore the interesting axis here. Cross-referencing this list against the ecommerce platform lists in the same release shows which storefronts the product actually attaches to in the field, which is a harder fact to obtain than any vendor case study.

Facts we can stand behind are modest. Clerk.io owns the product, the license is Proprietary, the front end is delivered as JavaScript, and the service has been on the market since 2012. Public profiles add a country of origin and a founding city, and we leave those out, because our data records where detected sites live and not where a company is registered. For this product we hold no country breakdown either, so any geographic claim about its customer base would be invention.

As of October 2026 we detect Clerk.io on 4 sites. A personalisation service wired in server side, or loaded through a tag manager under an unrelated host name, produces no fingerprint we can read, so the detected set skews toward straightforward front-end installations and undercounts everything else. The number is evidence of presence and never evidence of absence.

The commercial value of the list is in who is already spending. Retailers paying for search and recommendations have accepted the category, allocated a budget and set a renewal date, which is a different sales conversation from persuading a merchant that personalisation is worth buying at all. Agencies use the same list to size a niche before committing to it, and analysts use it to watch adoption move between releases. A lookup on one domain produces none of that, since it answers a yes or no question about a site you already knew about.

Frequently asked questions

How many websites use Clerk.io?

webatla detects Clerk.io on 4 websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.

Can I download the list of websites using Clerk.io?

Yes, as structured JSONL. Grab a free sample first.

What's included for each site, and how fresh is it?

Domain, DNS, RDAP/WHOIS, the full technology stack, IP & country, PageRank and Harmonic, re-detected and re-exported daily.

How do I find the websites using Clerk.io?

Buy the technology dataset, then download the complete list of domains we detect using Clerk.io, re-exported every day.

What else is in the Clerk.io technology data?

Each row places Clerk.io next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.

Can I download just the sites using Clerk.io, or the whole database?

Both. Every site running Clerk.io comes in the Technologies dataset, one downloadable file. Or buy All data for the entire database: technologies plus identity, ranking, DNS and RDAP/WHOIS for every domain, combined in one file. Daily fresh export.

How do I download the list of websites using Clerk.io?

Three steps: (1) grab the free 10,000-row sample to inspect the schema, (2) buy the Technologies dataset, (3) download the full list of every domain we detect running Clerk.io as a JSON Lines file. It is re-exported daily, so you can re-download the freshest list any time inside your access window. Each row carries the domain plus DNS, WHOIS, IP, hosting country and rank.

Get the full list of websites using Clerk.io

Pick the dataset that covers what you need. Each one includes Clerk.io and downloads as JSONL, rebuilt daily.

Technologies 14 columns

Full website tech stack per site: CMS, payments, analytics, frameworks.

€159 / mo
Buy and download Download preview dataset
All data 23 columns

Everything we have, in a single package. The full webatla universe.

€599 / mo
Buy and download Download preview dataset

Want to compare every dataset side by side? Visit the pricing page