Download list of all JsObservable sites

Name: Websites that use JsObservable
Creator: webatla
License: https://webatla.com/terms

About JsObservable Database preview Download

All figures as of Sep 12, 2026

2,781 Sites detected

0.0% Of all websites

Database preview of JsObservable sites

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

webatla-technologies-jsobservable-2026-09-12.jsonl.zst · 2,781 rows · 14 columns Daily fresh export

Domain	TLD suffix	TLD	Domain type	HTTP status	IP address	Country by IP	Social networks	Technologies last data checked	Technologies	PR value	Harmonic value	Domain creation date	Domain expiration date
mxtoolbox.com	com	com	ICANN	HTTP 200	52.222.236.120	US	{"x-twitter":["https://x.com/mxtoolbox"]}	2026-08-12	IIS 10.0, PWA, cdnjs, HTTP/2, Favicon, HubSpot, JsViews, JsRender 1.0.14, AngularJS, Cloudflare	0.000010672	17,868,978	2004-09-28	2026-09-28
mbs.jp	jp	jp	ICANN	HTTP 200	75.2.60.5	US	{"youtube":["https://youtube.com/user/MBS"],"facebook":["https://facebook.com/MBS.fan"],"x-twitter":["https://x.com/intent/post?text=MBS+%E6%AF%8E%E6%97%A5%E6%94%BE%E9%80%81+%7C+4%E3%83%81%E3%83%A3%E3%83%B3%E3%83%8D%E3%83%AB&url=https%3A%2F%2Fwww.mbs.jp%2F","https://x.com/MBS_fan"]}	2026-09-11	Google Ads AW-825646876, Google Analytics G-FRDG3ZMJCC UA-67683536-1 +1, Google Tag Manager GTM-T47Q2PK, HSTS, HTTP/2, jQuery, JsViews, Varnish, JsRender, Open Graph	0.00000172008	16,894,408	2001-03-26	2027-03-31
difesa.it	it	it	ICANN	HTTP 200	185.86.84.57	IT	{"threads":["https://threads.net/@ministerodifesa_official"],"youtube":["https://youtube.com/@ministerodifesa"],"facebook":["https://facebook.com/ministerodifesa"],"linkedin":["https://linkedin.com/company/ministerodifesa"],"whatsapp":["https://whatsapp.com/channel/0029VaCBXJm9mrGcuIZq6z1h"],"instagram":["https://instagram.com/ministerodifesa_official","https://instagram.com/ministerodifesa_official/%20aria-label="],"x-twitter":["https://twitter.com/MinisteroDifesa"]}	2026-08-31	Popper, jQuery, JsViews, Leaflet, YouTube, JsRender, Lightbox, Bootstrap, Moment.js, Open Graph	0.00000126085	16,740,380	1996-11-29	2027-06-25
indonesia.travel	travel	travel	ICANN	HTTP 200	34.149.222.137	US	{"tiktok":["https://tiktok.com/@pesonaindonesia"],"youtube":["https://youtube.com/c/PesonaIndonesiaofficial"],"facebook":["https://facebook.com/pesona.indonesia"],"instagram":["http://instagram.com/wonderfulindonesia?igsh=MW5zeW4yaWt0dmRzNA%3D%3D"],"x-twitter":["https://x.com/pesonaindonesia"]}	2026-09-05	Google Analytics G-2B7C5DE60X G-J7KWQ5LBSC +1, Google Tag Manager GTM-T393S59L, Nginx, HTTP/3, Marked, jQuery, Favicon, JsViews, Leaflet, JsRender	0.000000587462	14,555,246	2007-09-28	2026-09-27
prometheus.org.ua	org.ua	ua	ICANN	HTTP 200	104.26.8.247	US	{"youtube":["https://youtube.com/channel/UCp_ZjjvKE_lScv09caE6z3A"],"facebook":["https://facebook.com/prometheusmooc"],"linkedin":["https://ua.linkedin.com/school/prometheus-mooc"],"instagram":["https://instagram.com/prometheus.ua"]}	2026-08-16	PHP, MySQL, HTTP/2, Swiper, jQuery 1.5.4, Favicon, JsViews, YouTube, core-js, JsRender	0.000000573794	16,617,450	2014-06-26	2027-06-26
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Domain	TLD suffix	TLD	Domain type	HTTP status	IP address	Country by IP	Social networks	Technologies last data checked	Technologies	DNS last data checked	DNS Status	DNS records	PR value	Harmonic value	RDAP/WHOIS last data checked	RDAP/WHOIS method	Domain creation date	Domain expiration date	Domain last changed	Registrar	RDAP/WHOIS Record	Response Status RDAP/WHOIS
mxtoolbox.com	com	com	ICANN	HTTP 200	52.222.236.120	US	{"x-twitter":["https://x.com/mxtoolbox"]}	2026-08-12	IIS 10.0, PWA, cdnjs, HTTP/2, Favicon, HubSpot, JsViews, JsRender 1.0.14, AngularJS, Cloudflare	2026-09-03	TRUE	{"A":["52.222.236.120","52.222.236.40","52.222.236.56","52.222.236.92"],"MX":[{"host":"alt1.aspmx.l.google.com","priority":5},{"host":"alt2.aspmx.l.google.com","priority":5},{"host":"aspmx.l.google.com","priority":0},{"host":"aspmx2.googlemail.com","priority":10},{"host":"aspmx3.googlemail.com","priority":10}],"NS":["ns-1320.awsdns-37.org","ns-1736.awsdns-25.co.uk","ns-495.awsdns-61.com","ns-984.awsdns-59.net"],"SOA":{"mname":"ns-1320.awsdns-37.org","retry":900,"rname":"awsdns-hostmaster.amazon.com","expire":1209600,"serial":1,"minimum":86400,"refresh":7200},"TXT":["6ffyqp6bfm0xx4bcgd1ybz0jtknhgpdy","google-site-verification=IRU-tYT2Zrvln21fPthO9Guao_icDFamyUYMhfh4dlg","google-site-verification=a72lcHiaH48r427O4d4O6SrvOBQkmH4IGZ98mH9YWwU","lml8nrmxdc063ms0skf3bnvm2zvslffz","mailru-verification: 18440d267f8068a2","v=spf1 redirect=mxtoolbox.com.hosted.spf-report.com","yahoo-verification-key=VtY1K1/IZ0c2E6oFnpXiTymAITi3lqo8IlXNDII0LdE="]}	0.000010672	17,868,978	2025-07-06	RDAP	2004-09-28	2026-09-28	2025-07-06	Network Solutions, LLC	{"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/MXTOOLBOX.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/MXTOOLBOX.COM"},{"rel":"related","href":"https://rdap.networksolutions.com/rdap/domain/MXTOOLBOX.COM","type":"application/rdap+json","value":"https://rdap.networksolutions.com/rdap/domain/MXTOOLBOX.COM"}],"events":[{"eventDate":"2004-09-28T19:28:21Z","eventAction":"registration"},{"eventDate":"2026-09-28T19:28:21Z","eventAction":"expiration"},{"eventDate":"2022-08-13T21:02:01Z","eventAction":"last changed"},{"eventDate":"2025-07-06T20:49:45Z","eventAction":"last update of RDAP database"}],"handle":"131251021_DOMAIN_COM-VRSN","status":["client delete prohibited","client transfer prohibited","server delete prohibited","server transfer prohibited"],"ldhName":"MXTOOLBOX.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/mxtoolbox.com"}],"title":"Terms of Service","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/mxtoolbox.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://networksolutions.com","type":"text/html","value":"https://rdap.networksolutions.com/rdap/"}],"roles":["registrar"],"handle":"2","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.8777228662"],["email",{},"text","domain.operations@web.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"2"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Network Solutions, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS-1320.AWSDNS-37.ORG","objectClassName":"nameserver"},{"ldhName":"NS-1736.AWSDNS-25.CO.UK","objectClassName":"nameserver"},{"ldhName":"NS-495.AWSDNS-61.COM","objectClassName":"nameserver"},{"ldhName":"NS-984.AWSDNS-59.NET","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}}	Domain is active
mbs.jp	jp	jp	ICANN	HTTP 200	75.2.60.5	US	{"youtube":["https://youtube.com/user/MBS"],"facebook":["https://facebook.com/MBS.fan"],"x-twitter":["https://x.com/intent/post?text=MBS+%E6%AF%8E%E6%97%A5%E6%94%BE%E9%80%81+%7C+4%E3%83%81%E3%83%A3%E3%83%B3%E3%83%8D%E3%83%AB&url=https%3A%2F%2Fwww.mbs.jp%2F","https://x.com/MBS_fan"]}	2026-09-11	Google Ads AW-825646876, Google Analytics G-FRDG3ZMJCC UA-67683536-1 +1, Google Tag Manager GTM-T47Q2PK, HSTS, HTTP/2, jQuery, JsViews, Varnish, JsRender, Open Graph	2026-09-06	TRUE	{"A":["75.2.60.5"],"MX":[{"host":"mbs-jp.mail.protection.outlook.com","priority":50}],"NS":["ns-1252.awsdns-28.org","ns-1624.awsdns-11.co.uk","ns-240.awsdns-30.com","ns-687.awsdns-21.net"],"SOA":{"mname":"ns-687.awsdns-21.net","retry":900,"rname":"awsdns-hostmaster.amazon.com","expire":1209600,"serial":1,"minimum":86400,"refresh":7200},"TXT":["MS=ms15347973","v=spf1 +ip4:202.255.103.0/24 +ip4:202.255.102.0/24 +include:spf.protection.outlook.com ~all"]}	0.00000172008	16,894,408	2026-04-16	WHOIS	2001-03-26	2027-03-31	2026-04-01	—	{"raw_response":"[ JPRS database provides information on network administration. Its use is ]\r\n[ restricted to network administration purposes. For further information, ]\r\n[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]\r\n[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]\r\nDomain Information:\r\n[Domain Name] MBS.JP\r\n\r\n[Registrant] Mainichi Broadcasting System, Inc.\r\n\r\n[Name Server] ns-1252.awsdns-28.org\r\n[Name Server] ns-1624.awsdns-11.co.uk\r\n[Name Server] ns-240.awsdns-30.com\r\n[Name Server] ns-687.awsdns-21.net\r\n[Signing Key] \r\n\r\n[Created on] 2001/03/26\r\n[Expires on] 2027/03/31\r\n[Status] Active\r\n[Last Updated] 2026/04/01 01:05:03 (JST)\r\n\r\nContact Information:\r\n[Name] Mainichi Broadcasting System, Inc.\r\n[Email] shin-h@mbs.co.jp\r\n[Web Page] \r\n[Postal code] 530-8304\r\n[Postal Address] Osaka\r\n Kita-ku, Osaka-city\r\n 17-1,Chayamachi\r\n[Phone] 06-6359-1123\r\n[Fax]"}	Domain is active
difesa.it	it	it	ICANN	HTTP 200	185.86.84.57	IT	{"threads":["https://threads.net/@ministerodifesa_official"],"youtube":["https://youtube.com/@ministerodifesa"],"facebook":["https://facebook.com/ministerodifesa"],"linkedin":["https://linkedin.com/company/ministerodifesa"],"whatsapp":["https://whatsapp.com/channel/0029VaCBXJm9mrGcuIZq6z1h"],"instagram":["https://instagram.com/ministerodifesa_official","https://instagram.com/ministerodifesa_official/%20aria-label="],"x-twitter":["https://twitter.com/MinisteroDifesa"]}	2026-08-31	Popper, jQuery, JsViews, Leaflet, YouTube, JsRender, Lightbox, Bootstrap, Moment.js, Open Graph	2026-09-11	TRUE	{"A":["185.86.84.57"],"MX":[{"host":"mx.difesa.it","priority":10}],"NS":["dnsso1.interbusiness.it","ns1.difesa.it","ns2.difesa.it"],"SOA":{"mname":"ns1.difesa.it","retry":3600,"rname":"postmaster.difesa.it","expire":2419200,"serial":2026090902,"minimum":86400,"refresh":14400},"TXT":["Vmd1cCXMlUtUjFDDn3cJ","_0il7p31x0kwia54r1nul3dws6myjv7s","dtm-domain-verification=bsGqWoogiZFwczOvP6DwL-e-PX6K_qUEgj5r1Mh90XA","v=0zzqlx1f9rdyxkhx46gxpvcsb24dpl2n","v=spf1 a mx ptr ip4:185.86.84.8 ip4:81.126.44.104 -all"]}	0.00000126085	16,740,380	2026-07-23	WHOIS	1996-11-29	2027-06-25	2026-07-11	Comando per le Operazioni in Rete (C.O.R.)	{"raw_response":"********************************************************************\n Please note that the following result could be a subgroup of \n the data contained in the database. \n \n Additional information can be visualized at: \n http://web-whois.nic.it \n********************************************************************\n\nDomain: difesa.it\nStatus: ok\nSigned: no\nCreated: 1996-11-29 00:00:00\nLast Update: 2026-07-11 00:47:32\nExpire Date: 2027-06-25\n\nRegistrant\n Organization: Comando per le Operazioni in Rete (C.O.R.)\n Address: Via Stresa, 31B\n Roma\n 00135\n RM\n IT\n Created: 2022-06-25 01:00:53\n Last Update: 2022-06-25 01:00:53\n\nAdmin Contact\n Name: Sergio Antonio Scalese\n Organization: Comando per le Operazioni in Rete (C.O.R.)\n Address: Via Stresa, 31B\n Roma\n 00135\n RM\n IT\n Created: 2022-06-25 01:00:53\n Last Update: 2022-06-25 01:00:53\n\nTechnical Contacts\n Name: Comando per le Operazioni in Rete (C.O.R.)\n Organization: Comando per le Operazioni in Rete (C.O.R.)\n Address: Via Stresa, 31B\n Roma\n 00135\n RM\n IT\n Created: 2022-06-25 01:00:53\n Last Update: 2022-06-25 01:00:53\n\nRegistrar\n Organization: Telecom Italia s.p.a.\n Name: INTERBUSINESS-REG\n Web: http://www.timbusiness.it\n DNSSEC: no\n\n\nNameservers\n dnsso1.interbusiness.it\n ns1.difesa.it\n ns2.difesa.it"}	Domain is active
indonesia.travel	travel	travel	ICANN	HTTP 200	34.149.222.137	US	{"tiktok":["https://tiktok.com/@pesonaindonesia"],"youtube":["https://youtube.com/c/PesonaIndonesiaofficial"],"facebook":["https://facebook.com/pesona.indonesia"],"instagram":["http://instagram.com/wonderfulindonesia?igsh=MW5zeW4yaWt0dmRzNA%3D%3D"],"x-twitter":["https://x.com/pesonaindonesia"]}	2026-09-05	Google Analytics G-2B7C5DE60X G-J7KWQ5LBSC +1, Google Tag Manager GTM-T393S59L, Nginx, HTTP/3, Marked, jQuery, Favicon, JsViews, Leaflet, JsRender	2026-09-07	TRUE	{"A":["34.149.222.137"],"MX":[{"host":"alt1.aspmx.l.google.com","priority":5},{"host":"alt2.aspmx.l.google.com","priority":5},{"host":"alt3.aspmx.l.google.com","priority":10},{"host":"alt4.aspmx.l.google.com","priority":10},{"host":"aspmx.l.google.com","priority":1}],"NS":["ns-cloud-c1.googledomains.com","ns-cloud-c2.googledomains.com","ns-cloud-c3.googledomains.com","ns-cloud-c4.googledomains.com"],"SOA":{"mname":"ns-cloud-c1.googledomains.com","retry":3600,"rname":"cloud-dns-hostmaster.google.com","expire":259200,"serial":3,"minimum":300,"refresh":21600},"TXT":["202503230000005tfwozeud4g4u9bgkeh5pjctukn6t8zsb0zdwp64wuipp3mtcg","google-site-verification=-sHyexxJTHbc8OU40rpEvV3WJRs392rrnXDT4BVl86Q","google-site-verification=1E1qn5021Zm47Lg3051zLHdhMBnc7pES8JKiU7H4i74","google-site-verification=rqgJGWgcfROFb64lYUPtxkUgAA-7yKlKx7iborVn394","google-site-verification=uZ3dyxv8t8tbom_PF3p3wLSQqoto7ycy6u6XqJONmY8","q6scksnenm72soe5frro3rc1nd","v=spf1 include:servers.mcsv.net include:_spf.google.com ~all"]}	0.000000587462	14,555,246	2025-09-05	RDAP	2007-09-28	2026-09-27	2025-09-05	EnCirca, Inc.	{"raw_response":{"links":[{"rel":"related","href":"https://rdap.encirca.com/rdap/domain/indonesia.travel","type":"application/rdap+json","value":"https://rdap.identitydigital.services/rdap/domain/indonesia.travel"},{"rel":"self","href":"https://rdap.identitydigital.services/rdap/domain/indonesia.travel","type":"application/rdap+json","value":"https://rdap.identitydigital.services/rdap/domain/indonesia.travel"}],"events":[{"eventDate":"2013-08-31T16:20:07Z","eventAction":"transfer"},{"eventDate":"2026-09-27T23:59:59Z","eventAction":"expiration"},{"eventDate":"2007-09-28T13:27:52Z","eventAction":"registration"},{"eventDate":"2025-08-27T01:05:04.133Z","eventAction":"last changed"},{"eventDate":"2025-09-05T20:10:28.68Z","eventAction":"last update of RDAP database"}],"status":["client transfer prohibited"],"ldhName":"indonesia.travel","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.identity.digital/policies/rdds-access-policy","type":"text/html","value":"https://rdap.identitydigital.services/rdap/domain/indonesia.travel"}],"title":"Terms of Service","description":["Access to RDAP information is provided to assist persons in determining the contents of a domain name registration record in the registry database. The data in this record is provided by Identity Digital or, if the record pertains to a TLD not operated by Identity Digital, then the corresponding primary Registry Operator for informational purposes only, and neither Identity Digital nor the Registry Operator guarantee its accuracy. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to (a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Identity Digital, a Registrar, or Registry Operator except as reasonably necessary to register domain names or modify existing registrations. When using the RDAP service, please consider the following: the RDAP service is not a replacement for standard EPP commands to the SRS service. RDAP is not considered authoritative for registered domain objects. The RDAP service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the RDAP services are throttled. If too many queries are received from a single IP address within a specified time, the service will begin to reject further queries for a period of time to prevent disruption of RDAP service access. Abuse of the RDAP system through data mining is mitigated by detecting and limiting bulk query access from single sources. Where applicable, the presence of a [Non-Public Data] tag indicates that such data is not made publicly available due to applicable data privacy laws or requirements. Should you wish to contact the registrant, please refer to the RDAP records available through the registrar URL listed above. Access to non-public data may be provided, upon request, where it can be reasonably confirmed that the requester holds a specific legitimate interest and a proper legal basis for accessing the withheld data. Access to the data provided by Identity Digital can be requested by submitting a request via the form found at https://www.identity.digital/about/policies/whois-layered-access/ Identity Digital Inc. and, if applicable, the primary Registry Operators reserve the right to modify these terms at any time. By submitting this query, you agree to abide by this policy."]},{"links":[{"rel":"glossary","href":"https://icann.org/epp","type":"application/rdap+json","value":"https://rdap.identitydigital.services/rdap/domain/indonesia.travel"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"application/rdap+json","value":"https://rdap.identitydigital.services/rdap/domain/indonesia.travel"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"self","href":"https://rdap.identitydigital.services/rdap/entity/455","type":"application/rdap+json","value":"https://rdap.identitydigital.services/rdap/entity/455"},{"rel":"about","href":"https://rdap.encirca.com/rdap/","type":"application/rdap+json","value":"https://rdap.encirca.com/rdap/"}],"roles":["registrar"],"handle":"455","entities":[{"roles":["abuse"],"handle":"02b6c65d0c4c42d0a72ee9d5cf5c20be-DONUTS","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.7819429975"],["email",{},"text","abuse-2024-4@encirca.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"455"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","EnCirca, Inc."]]],"objectClassName":"entity"}],"redacted":[{"name":{"type":"Registry Domain ID"},"method":"removal","prePath":"$.handle","pathLang":"jsonpath"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"455"}],"secureDNS":{"maxSigLife":1,"delegationSigned":false},"nameservers":[{"handle":"403975454df44949bf1b549e982675ef-DONUTS","status":["associated"],"ldhName":"ns-cloud-c1.googledomains.com","unicodeName":"ns-cloud-c1.googledomains.com","objectClassName":"nameserver"},{"handle":"2b0374126f0c4d619118a5418b84443a-DONUTS","status":["associated"],"ldhName":"ns-cloud-c2.googledomains.com","unicodeName":"ns-cloud-c2.googledomains.com","objectClassName":"nameserver"},{"handle":"77a264feb9f24c50b66e64d3f671cc39-DONUTS","status":["associated"],"ldhName":"ns-cloud-c3.googledomains.com","unicodeName":"ns-cloud-c3.googledomains.com","objectClassName":"nameserver"},{"handle":"d3713ca7f30440928210a493f38a870c-DONUTS","status":["associated"],"ldhName":"ns-cloud-c4.googledomains.com","unicodeName":"ns-cloud-c4.googledomains.com","objectClassName":"nameserver"}],"unicodeName":"indonesia.travel","objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_response_profile_1","icann_rdap_technical_implementation_guide_1","redacted"]}}	Domain is active
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Showing 5 of 2,781 rows · Technologies · Full website tech stack per site: CMS, payments, analytics, frameworks.

↓ Download preview (20 rows, free) Buy Technologies — €159 / month

About JsObservable

The name promises a general purpose reactivity library, and what it actually names is one layer of the JsViews toolkit. JsObservable supplies observable objects and arrays, meaning data structures that announce their own changes so a rendered view can update without the page being rebuilt by hand. Nobody reaches for a piece like that on its own.

Filed under JavaScript libraries and written in JavaScript, JsObservable dates from 2012 and is distributed under the MIT license. The library arrived before the reactive frameworks that later made this pattern ordinary, and it was designed to be adopted piece by piece, which is why it turns up in long lived business applications where a full rewrite was never on the table.

As of September 2026 we detect JsObservable on 2,781 sites. Almost all of those installations arrive as part of a pairing, because the observable layer is normally shipped alongside the rendering library from the same family, and a site carrying one very often carries the other. The count is therefore better read as a measure of that whole toolkit's survival than as evidence of an independent decision by a development team.

For a researcher the practical value is narrow but real. Knowing which sites still run this stack tells you where a particular generation of enterprise front end code is still alive, which is a question about maintenance budgets and vendor lock-in rather than about design trends. A per-domain lookup confirms one address. The list gives you the population, which is what you need before you can size an upgrade market or scope a support offering.

We publish no version breakdown for JsObservable, and no country separates out of the detections clearly enough to report. Detection also fails wherever the code has been folded into a bundled application file, so the real footprint is wider than what appears here. A stated gap is more useful than a number we cannot stand behind.

Frequently asked questions

How many websites use JsObservable?

webatla detects JsObservable on 3K websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.

Can I download the list of websites using JsObservable?

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 JsObservable?

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

What else is in the JsObservable technology data?

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

Can I download just the sites using JsObservable, or the whole database?

Both. Every site running JsObservable 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 JsObservable?

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 JsObservable 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.