Download websites using RackCache
Server Software · since 2008 · open source
About RackCache
Rack::Cache is a Ruby middleware component for Rack-based web applications that implements HTTP caching semantics, including support for cache validation, conditional GET requests, and expiration-based caching. It can serve as a reverse proxy cache placed in front of a Rack application to reduce backend load and improve response times.
Commonly used with Ruby on Rails and Sinatra applications, Rack::Cache stores cached responses in configurable storage backends and respects standard HTTP cache headers such as Cache-Control, ETag, and Last-Modified. It is a lightweight, standards-compliant caching layer favored by Ruby developers who want improved performance without deploying a separate caching proxy like Varnish.
At a glance
Database preview of RackCache sites
RackCache detection is a value inside the Technologies column. Two datasets carry it — switch between them to compare what's included.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| codecanyon.net | net | net | ICANN | HTTP 200 | 104.18.34.245 | US | {"youtube":["https://youtube.com/user/Envato"],"facebook":["https://facebook.com/envato"],"instagram":["https://instagram.com/envato"],"pinterest":["https://pinterest.com/envato"],"x-twitter":["https://twitter.com/envato"]} | 2026-05-03 | HSTS, Ruby, Stimulus, Cookiebot, RackCache, Cloudflare, Google Ads, Open Graph, Ruby on Rails, Google Analytics | 0.0000103705 | 18,032,214 | 2009-10-29 | 2027-10-29 |
| knowyourmeme.com | com | com | ICANN | HTTP 200 | 104.20.39.42 | US | {"tiktok":["https://tiktok.com/@knowyourmeme"],"discord":["https://discord.com/invite/hxZaGpg"],"youtube":["https://youtube.com/knowyourmeme"],"facebook":["https://facebook.com/knowyourmeme"],"snapchat":["https://snapchat.com/p/41102048-8d2d-4288-b54e-c9e89b1afa44/1534121873233920"],"instagram":["https://instagram.com/knowyourmeme"],"x-twitter":["https://x.com/knowyourmeme"]} | 2026-05-17 | RSS, HSTS, Ruby, Sectigo, Stimulus, RackCache, Cloudflare, Open Graph, Google Analytics GA4, Google Workspace | 0.00000696584 | 17,829,464 | 2007-11-25 | 2026-11-25 |
| dudebropartymassacre3.com | com | com | ICANN | HTTP 200 | 15.197.225.128 | US | {"facebook":["https://facebook.com/dudebropartymassacre3"],"instagram":["http://instagram.com/5sf"],"x-twitter":["http://twitter.com/5sf"]} | 2026-05-06 | HSTS, Ruby, Imgix, jQuery 1.11.1, GoDaddy, Modernizr, RackCache, Cloudflare, Font Awesome 4.3.0, Google Cloud | 0.00000437896 | 14,073,660 | 2014-04-29 | 2027-04-29 |
| graphicriver.net | net | net | ICANN | HTTP 200 | 104.18.41.37 | US | {"youtube":["https://youtube.com/user/Envato"],"facebook":["https://facebook.com/envato"],"instagram":["https://instagram.com/envato"],"pinterest":["https://pinterest.com/envato"],"x-twitter":["https://twitter.com/envato"]} | 2026-05-11 | HSTS, Ruby, Stimulus, Cookiebot, RackCache, Cloudflare, Google Ads, Open Graph, Ruby on Rails, Google Analytics | 0.00000173758 | 17,253,400 | 2006-08-31 | 2027-08-31 |
| crunch.com | com | com | ICANN | HTTP 200 | 3.95.47.163 | US | {"tiktok":["https://tiktok.com/@crunchfitness"],"youtube":["http://youtube.com/crunch"],"facebook":["https://facebook.com/crunch"],"instagram":["https://instagram.com/crunchgym"],"x-twitter":["https://twitter.com/crunchgym"]} | 2026-05-04 | HSTS, Ruby, Nginx, Dropbox, HubSpot, RackCache, Google Ads, Open Graph, Snap Pixel, TikTok Pixel | 0.00000156036 | 16,945,070 | 1999-02-12 | 2027-02-12 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| codecanyon.net | net | net | ICANN | HTTP 200 | 104.18.34.245 | US | {"youtube":["https://youtube.com/user/Envato"],"facebook":["https://facebook.com/envato"],"instagram":["https://instagram.com/envato"],"pinterest":["https://pinterest.com/envato"],"x-twitter":["https://twitter.com/envato"]} | 2026-05-03 | HSTS, Ruby, Stimulus, Cookiebot, RackCache, Cloudflare, Google Ads, Open Graph, Ruby on Rails, Google Analytics | 2026-06-11 | TRUE | {"A":["104.18.34.245","172.64.153.11"],"DS":[{"digest":"a9a7cd96802ed58e1443454e9ae3958dbda2cfbe411ccef05f7149de44d24bfd","key_tag":2371,"algorithm":13,"digest_type":2}],"NS":["emma.ns.cloudflare.com","fred.ns.cloudflare.com"],"SOA":{"mname":"emma.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2405227720,"minimum":1800,"refresh":10000},"TXT":["google-site-verification=feUSO0Lms1Fa93pYglTFjzdeTJAx4b8dPBt-TYElDhc","google-site-verification=ySMLIcaqfTCKUQXId6VeFcoNA-sxWaBZk4VSsTyfj9g","v=spf1 -all","yandex-verification: b4b01b75b3d86324"],"DNSKEY":[{"flags":256,"protocol":3,"algorithm":13,"public_key":"oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA=="},{"flags":257,"protocol":3,"algorithm":13,"public_key":"mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ=="}]} | 0.0000103705 | 18,032,214 | 2025-09-30 | RDAP | 2009-10-29 | 2027-10-29 | 2025-09-29 | MarkMonitor Inc. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/net/v1/domain/CODECANYON.NET","type":"application/rdap+json","value":"https://rdap.verisign.com/net/v1/domain/CODECANYON.NET"},{"rel":"related","href":"https://rdap.markmonitor.com/rdap/domain/CODECANYON.NET","type":"application/rdap+json","value":"https://rdap.markmonitor.com/rdap/domain/CODECANYON.NET"}],"events":[{"eventDate":"2009-10-29T02:40:57Z","eventAction":"registration"},{"eventDate":"2027-10-29T02:40:57Z","eventAction":"expiration"},{"eventDate":"2025-09-27T10:21:20Z","eventAction":"last changed"},{"eventDate":"2025-09-29T22:59:50Z","eventAction":"last update of RDAP database"}],"handle":"1573856761_DOMAIN_NET-VRSN","status":["client delete prohibited","client transfer prohibited","client update prohibited"],"ldhName":"CODECANYON.NET","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/net/v1/domain/codecanyon.net"}],"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/net/v1/domain/codecanyon.net"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.markmonitor.com","type":"text/html","value":"https://rdap.markmonitor.com/rdap/"}],"roles":["registrar"],"handle":"292","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.2086851750"],["email",{},"text","abusecomplaints@markmonitor.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"292"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","MarkMonitor Inc."]]],"objectClassName":"entity"}],"secureDNS":{"dsData":[{"digest":"A9A7CD96802ED58E1443454E9AE3958DBDA2CFBE411CCEF05F7149DE44D24BFD","keyTag":2371,"algorithm":13,"digestType":2}],"delegationSigned":true},"nameservers":[{"ldhName":"EMMA.NS.CLOUDFLARE.COM","objectClassName":"nameserver"},{"ldhName":"FRED.NS.CLOUDFLARE.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| knowyourmeme.com | com | com | ICANN | HTTP 200 | 104.20.39.42 | US | {"tiktok":["https://tiktok.com/@knowyourmeme"],"discord":["https://discord.com/invite/hxZaGpg"],"youtube":["https://youtube.com/knowyourmeme"],"facebook":["https://facebook.com/knowyourmeme"],"snapchat":["https://snapchat.com/p/41102048-8d2d-4288-b54e-c9e89b1afa44/1534121873233920"],"instagram":["https://instagram.com/knowyourmeme"],"x-twitter":["https://x.com/knowyourmeme"]} | 2026-05-17 | RSS, HSTS, Ruby, Sectigo, Stimulus, RackCache, Cloudflare, Open Graph, Google Analytics GA4, Google Workspace | 2026-05-28 | TRUE | {"A":["104.20.39.42","172.66.170.251"],"MX":[{"host":"alt1.aspmx.l.google.com","priority":20},{"host":"alt2.aspmx.l.google.com","priority":20},{"host":"aspmx.l.google.com","priority":10},{"host":"aspmx2.googlemail.com","priority":30},{"host":"aspmx3.googlemail.com","priority":30}],"NS":["ns11.constellix.com","ns21.constellix.com","ns31.constellix.com","ns41.constellix.net","ns51.constellix.net","ns61.constellix.net"],"SOA":{"mname":"ns11.constellix.com","retry":3600,"rname":"dns.constellix.com","expire":1209600,"serial":2015010136,"minimum":180,"refresh":43200},"TXT":["facebook-domain-verification=4o8al1i2zm2tik5ols4tskqgee2j9a","google-site-verification=6mUL26RNG2qufP86iCzhnkVt6Ic6PVNpGFx6uTsxP1E","google-site-verification=7CbbMZbhj2-T_DB_Oj1-L6_dnjRMXaWYbCxIpOwwSLs","google-site-verification=Ys3s5VMqk-4CawYIpXuujESmJYSoaCDIQlUNVoDZqWQ","google-site-verification=bTjzjsNHD3YHF18GyOC9Gb_VKXr8bK28G9JWemGTABc","v=spf1 include:_spf.google.com ~all"],"AAAA":["2606:4700:10::6814:272a","2606:4700:10::ac42:aafb"]} | 0.00000696584 | 17,829,464 | 2025-07-06 | RDAP | 2007-11-25 | 2026-11-25 | 2025-07-06 | GoDaddy.com, LLC | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/KNOWYOURMEME.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/KNOWYOURMEME.COM"},{"rel":"related","href":"https://rdap.godaddy.com/v1/domain/KNOWYOURMEME.COM","type":"application/rdap+json","value":"https://rdap.godaddy.com/v1/domain/KNOWYOURMEME.COM"}],"events":[{"eventDate":"2007-11-25T21:44:59Z","eventAction":"registration"},{"eventDate":"2026-11-25T21:44:59Z","eventAction":"expiration"},{"eventDate":"2024-10-17T18:04:44Z","eventAction":"last changed"},{"eventDate":"2025-07-06T17:38:38Z","eventAction":"last update of RDAP database"}],"handle":"1341613467_DOMAIN_COM-VRSN","status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited"],"ldhName":"KNOWYOURMEME.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/knowyourmeme.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/knowyourmeme.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://www.godaddy.com","type":"text/html","value":"https://rdap.godaddy.com/v1/"}],"roles":["registrar"],"handle":"146","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:480-624-2505"],["email",{},"text","abuse@godaddy.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"146"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GoDaddy.com, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS11.CONSTELLIX.COM","objectClassName":"nameserver"},{"ldhName":"NS21.CONSTELLIX.COM","objectClassName":"nameserver"},{"ldhName":"NS31.CONSTELLIX.COM","objectClassName":"nameserver"},{"ldhName":"NS41.CONSTELLIX.NET","objectClassName":"nameserver"},{"ldhName":"NS51.CONSTELLIX.NET","objectClassName":"nameserver"},{"ldhName":"NS61.CONSTELLIX.NET","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| dudebropartymassacre3.com | com | com | ICANN | HTTP 200 | 15.197.225.128 | US | {"facebook":["https://facebook.com/dudebropartymassacre3"],"instagram":["http://instagram.com/5sf"],"x-twitter":["http://twitter.com/5sf"]} | 2026-05-06 | HSTS, Ruby, Imgix, jQuery 1.11.1, GoDaddy, Modernizr, RackCache, Cloudflare, Font Awesome 4.3.0, Google Cloud | 2026-06-13 | TRUE | {"A":["15.197.225.128","3.33.251.168"],"MX":[{"host":"mailstore1.secureserver.net","priority":10},{"host":"smtp.secureserver.net","priority":0}],"NS":["ns13.domaincontrol.com","ns14.domaincontrol.com"],"SOA":{"mname":"ns13.domaincontrol.com","retry":7200,"rname":"dns.jomax.net","expire":604800,"serial":2026031600,"minimum":600,"refresh":28800}} | 0.00000437896 | 14,073,660 | 2026-05-14 | RDAP | 2014-04-29 | 2027-04-29 | 2026-04-30 | GoDaddy.com, LLC | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/DUDEBROPARTYMASSACRE3.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/DUDEBROPARTYMASSACRE3.COM"},{"rel":"related","href":"https://rdap.godaddy.com/v1/domain/DUDEBROPARTYMASSACRE3.COM","type":"application/rdap+json","value":"https://rdap.godaddy.com/v1/domain/DUDEBROPARTYMASSACRE3.COM"}],"events":[{"eventDate":"2014-04-29T22:38:20Z","eventAction":"registration"},{"eventDate":"2027-04-29T22:38:20Z","eventAction":"expiration"},{"eventDate":"2026-04-30T15:46:15Z","eventAction":"last changed"},{"eventDate":"2026-05-14T14:59:34Z","eventAction":"last update of RDAP database"}],"handle":"1856722507_DOMAIN_COM-VRSN","status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited"],"ldhName":"DUDEBROPARTYMASSACRE3.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/dudebropartymassacre3.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/dudebropartymassacre3.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://www.godaddy.com","type":"text/html","value":"https://rdap.godaddy.com/v1/"}],"roles":["registrar"],"handle":"146","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:480-624-2505"],["email",{},"text","abuse@godaddy.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"146"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GoDaddy.com, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS13.DOMAINCONTROL.COM","objectClassName":"nameserver"},{"ldhName":"NS14.DOMAINCONTROL.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| graphicriver.net | net | net | ICANN | HTTP 200 | 104.18.41.37 | US | {"youtube":["https://youtube.com/user/Envato"],"facebook":["https://facebook.com/envato"],"instagram":["https://instagram.com/envato"],"pinterest":["https://pinterest.com/envato"],"x-twitter":["https://twitter.com/envato"]} | 2026-05-11 | HSTS, Ruby, Stimulus, Cookiebot, RackCache, Cloudflare, Google Ads, Open Graph, Ruby on Rails, Google Analytics | 2026-06-01 | TRUE | {"A":["104.18.41.37","172.64.146.219"],"NS":["emma.ns.cloudflare.com","fred.ns.cloudflare.com"],"SOA":{"mname":"emma.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2405335628,"minimum":1800,"refresh":10000},"TXT":["google-site-verification=dNmbZGvhDVMdvVBW3ArkYDY3uhfmPRWc_UHFJIiXDHg","v=spf1 -all","yandex-verification: c5e1c92cfff8f398"]} | 0.00000173758 | 17,253,400 | 2025-08-13 | RDAP | 2006-08-31 | 2027-08-31 | 2025-08-13 | MarkMonitor Inc. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/net/v1/domain/GRAPHICRIVER.NET","type":"application/rdap+json","value":"https://rdap.verisign.com/net/v1/domain/GRAPHICRIVER.NET"},{"rel":"related","href":"https://rdap.markmonitor.com/rdap/domain/GRAPHICRIVER.NET","type":"application/rdap+json","value":"https://rdap.markmonitor.com/rdap/domain/GRAPHICRIVER.NET"}],"events":[{"eventDate":"2006-08-31T13:43:57Z","eventAction":"registration"},{"eventDate":"2027-08-31T13:43:57Z","eventAction":"expiration"},{"eventDate":"2025-07-30T10:20:44Z","eventAction":"last changed"},{"eventDate":"2025-08-13T16:09:15Z","eventAction":"last update of RDAP database"}],"handle":"575171151_DOMAIN_NET-VRSN","status":["client delete prohibited","client transfer prohibited","client update prohibited"],"ldhName":"GRAPHICRIVER.NET","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/net/v1/domain/graphicriver.net"}],"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/net/v1/domain/graphicriver.net"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.markmonitor.com","type":"text/html","value":"https://rdap.markmonitor.com/rdap/"}],"roles":["registrar"],"handle":"292","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.2086851750"],["email",{},"text","abusecomplaints@markmonitor.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"292"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","MarkMonitor Inc."]]],"objectClassName":"entity"}],"secureDNS":{"dsData":[{"digest":"19AE4A987B2799F190F60DB1CD4C125F6EDBA8A71D67535615E8B0740870851D","keyTag":2371,"algorithm":13,"digestType":2}],"delegationSigned":true},"nameservers":[{"ldhName":"EMMA.NS.CLOUDFLARE.COM","objectClassName":"nameserver"},{"ldhName":"FRED.NS.CLOUDFLARE.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
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+ 4 datasets don't carry the Technologies column.
The RackCache dataset
Every site we've detected as running RackCache — with version, hosting, country, TLD and traffic rank.
RackCache lives inside 2 datasets
RackCache detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 7,965-site list — or grab a free preview first.
Which websites are using RackCache?
webatla detects every site using RackCache and exports them as one downloadable list, so you can see who relies on this technology and what else runs alongside it.
Open the RackCache technology dataset to break adoption down by country and TLD, compare it with a competing technology, and track new domains over time.
Frequently asked questions
How many websites use RackCache?
webatla detects RackCache on 8K websites, refreshed daily — each with its domain, DNS, WHOIS, IP, country and ranking.
Can I download the list of websites using RackCache?
Yes — as structured JSONL. Pay once for one month, no subscription; 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 RackCache?
Buy the technology dataset, then download the complete list of domains we detect using RackCache — re-exported every day.
What else is in the RackCache technology data?
Each row places RackCache next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.