Technology · Miscellaneous · Open Source
9,459 websites in the live index use K2 as of October 2026. Download the full list of K2 websites with website, company, country and language.
SourceAs of October 27, 2026, TechLeads detects K2 on 9,459 websites.
Sample results for K2. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #2,547 | sendpulse.com | Support | SendPulseWe offer email and telephone support 24 hours a day. Check out our contacts! | SendPulse | - | - |
| #5,000 | dnews.gr | DnewsΕιδήσεις και νέα από Ελλάδα και όλο τον κόσμο από το Dnews το πιο έγκυρο μέσο ενημέρωσης της χώρας. Ειδησεογραφία γεγονότα και αναλύσεις σε πολιτική, οικονομία, κοινωνία, υγεία, media. Το πρωην Dikaiologitika με οχημα την εγκυρότητα του περνά στην νέα εποχή. | - | - | - |
| #47,394 | ntua.gr | ΕΘΝΙΚΟ ΜΕΤΣΟΒΙΟ ΠΟΛΥΤΕΧΝΕΙΟ | Ntua | GR | el-gr |
| #56,662 | apsnypress.info | АПСНЫПРЕСС | - | - | - |
| #100,000 | lok-report.de | LOK Report - Europäisches Nachrichtenmagazin für EisenbahnfreundeDer LOK Report ist ein europäisches Nachrichtenmagazin für Eisenbahnfreunde, LOK Report is a European Railways Magazine | - | DE | de-de |
| #100,000 | merojax.am | MEROJAX - Media News Internet Portal Merojax.amAt Merojax watch, All Interview Celebrities and more. Follow and rate your favorite TV programs, Series and Shows. MEROJAX TV | - | - | - |
| #100,000 | kalimera-arkadia.gr | Ειδήσεις από την Αρκαδία, Νέα από την Αρκαδία - Kalimera ArkadiaΕιδήσεις από την Αρκαδία, Νέα από την Αρκαδία | - | - | - |
| #100,000 | viata-libera.ro | Viaţa Liberă Galaţi - Cotidian independent - Ştiri, Noutăţi şi Informaţii on-line din Galaţi - Viaţa Liberă GalaţiViata Libera Galati - Editie on-line - Ziar independent care oferă informaţii, ştiri, anchete şi reportaje din Galaţi | - | - | - |
| #100,000 | sportcom.hr | SportCom.hr - SportCom.hrSportCom.hr | - | - | - |
| #100,000 | elbareport.it | Elbareport - Quotidiano di informazione online dall'isola d'Elba | - | - | - |
| #101,573 | omranstudies.org | HomeAn independent think tank and policy center focusing on presenting an objective understanding of Syria and the region to become a reference for public policies impacting the region. Omran began in November 2013 in Istanbul, Turkey. It publishes studies and policy briefs regarding Syrian and regional | Omranstudies | GB | en-gb |
| #107,550 | fmrockandpop.com | FM Rock & Pop 95.9Nos gusta el rock! | - | - | - |
| #119,797 | ocarm.org | Carmelites | Carmelitani | Carmelitas :: O.Carm Curia Official :: Ordo fratrum Beatæ Virginis Mariæ de monte Carmelo{loadposition slider} As Carmelites we live our lives in allegiance to Jesus Christ and strive to serve him faithfully with a pure heart and a clear conscience. We seek the face of the living God in a contemplative attitude of prayer, fraternity, and service in the midst of the people. We live these | Carmelites | Carmelitani | Carmelitas :: O.Carm Curia Official :: Ordo fratrum Beatæ Virginis Mariæ de monte Carmelo | GB | en-gb |
| #144,014 | gssi.it | International PhD school and a center for advanced studies in physics, mathematics, computer science and social sciences.An international PhD school and a center for advanced studies in physics, mathematics, computer science and social sciences. | - | - | - |
| #168,376 | kgd.ru | Калининград.Ru - главный новостной портал Калининграда и областиКалининград.Ru - главные новости региона, онлайн-камеры, видео, доска объявлений, поиск работы и работников, прогноз погоды. | - | - | - |
| #168,622 | sukhumcity.ru | СУХУМ | Администрация городаОфициальный сайт Администрации города Сухум, Республика Абхазия | - | - | - |
| #172,236 | afloat.ie | Afloat – Ireland's Sailing and Boating MagazineIreland | - | - | - |
| #186,925 | woodfrogbakery.com.au | Woodfrog Bakery - HomeFine sourdough, specialty breads and pastries made daily in our St Kilda bakery | Woodfrogbakery | GB | en-gb |
| #190,206 | mobiteka.pl | Mobiteka | - | - | - |
| #205,729 | top-cash.com | Autoservicio mayorista especializado en la venta al profesional de la hostelería y la alimentación | Top CashAutoservicio mayorista especializado en la venta al profesional de la hostelería y la alimentación. | - | - | - |
| #244,067 | zadarska-zupanija.hr | Zadarska županija | - | - | - |
| #254,728 | elobrero.es | EL OBRERO | Periodismo Transversal | - | - | - |
| #278,708 | spaceibiza.com | SPACE IBIZA Club - Space Ibiza | - | - | - |
| #292,467 | cm-montemorvelho.pt | Município de Montemor-o-VelhoMunicípio de Montemor-O-Velho | - | - | en |
| #295,925 | muzeumhk.cz | Úvod - Muzeum východních Čech v Hradci KrálovéOficiální stránky muzea východních Čech v Hradci Králové | - | - | - |
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TechLeads scans public websites and identifies K2 from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 27, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 9,459 websites using K2. Open the sample table on this page or download the lead list.
The chart on this page is monthly HTTP Archive crawl detections for K2, compared with other Miscellaneous technologies. It is not the TechLeads live index.
In the same HTTP Archive category, K2 is charted against Open Graph, HTTP/3, RSS, PWA, Webpack. Live-index co-occurrence on this page is a separate signal.
Companies and websites using K2 in the TechLeads index include sendpulse.com, dnews.gr, ntua.gr, apsnypress.info, lok-report.de. The full list of 9,459 websites, with company name, country and language, is available as a CSV export.
TechLeads scans public websites and matches K2 by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
Yes. A one-time K2 dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Top-ranked sites on K2Rank
Monthly detections of K2 in the HTTP Archive crawl. This is historical crawl coverage, not the TechLeads live website index.
Same HTTP Archive category (Miscellaneous), not the whole web. Toggle competitors on or off.
Optional rank bands from the crawl (top 1k through long tail). Missing months are crawl gaps, not uninstalls.
Technologies most frequently detected on the same websites as K2. Counts are websites in the live index.
Distribution of websites using K2 across countries in the TechLeads database.
| Country | Sites | Relative size |
|---|---|---|
| United Kingdom (GB) | 67 | |
| Italy (IT) | 22 | |
| Spain (ES) | 20 | |
| Germany (DE) | 15 | |
| France (FR) | 14 | |
| Greece (GR) | 14 | |
| United States (US) | 13 | |
| Croatia (HR) | 6 | |
| Ukraine (UA) | 6 | |
| Russia (RU) | 6 | |
| Brazil (BR) | 4 | |
| Portugal (PT) | 3 |
Sites where we first detected K2, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
106
sites newly detected in the last 12 weeks
Content extension system for Joomla.
Our comprehensive database contains 9,459 websites using K2, making it the most complete K2 sites list available. This K2 customer websites directory helps businesses detect websites using K2 and identify potential leads.
The largest concentrations of K2 websites are in GB, IT, ES, based on our indexed country data.
Websites using K2 commonly also use PHP, Joomla, jQuery, Open Graph, jQuery Migrate — reflecting typical K2 technology stacks.
Our K2 technology detection system scans millions of websites to identify those powered by K2. This list of sites with K2 includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with K2 or exploring K2 adoption trends, our database provides comprehensive insights.
Each entry in our K2 sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using K2 and reach out to potential customers or partners.
Get instant access to the full list of sites with K2 in CSV format. Our dataset includes all 9,459 K2 customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest K2 powered websites.
| Czechia (CZ) | 3 |
|---|
| Austria (AT) | 2 |
|---|
| Serbia (YU) | 2 |
|---|
| Poland (PL) | 2 |
|---|
| Romania (RO) | 2 |
|---|
| Belarus (BY) | 2 |
|---|
| Mexico (MX) | 1 |
|---|
| Ghana (GH) | 1 |
|---|
| Hungary (HU) | 1 |
|---|
| Taiwan (TW) | 1 |
|---|
| Dominican Republic (DO) | 1 |
|---|
| Israel (IL) | 1 |
|---|
| Burkina Faso (BF) | 1 |
|---|
| Slovakia (SK) | 1 |
|---|
| Finland (FI) | 1 |
|---|
| Azerbaijan (AZ) | 1 |
|---|
| Netherlands (NL) | 1 |
|---|
| Australia (AU) | 1 |
|---|
