757,888 websites in the live index use IIS as of October 2026. Download the full list of IIS websites with website, company, country and language.
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As of October 24, 2026, TechLeads detects IIS on 757,888 websites.
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TechLeads. "Companies Using IIS." Data as of October 24, 2026. https://techleads.fyi/technology/iisHTML link
<a href="https://techleads.fyi/technology/iis">Companies using IIS (TechLeads data)</a>Sample results for IIS
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #2,656 | MX Lookup Tool - Check your DNS MX Records online - MxToolbox | - | - | - | - | ||
| #2,763 | sitemaps.org - Home | The Sitemaps protocol enables webmasters to information earch engine about pages on their site that are available for crawling. | - | - | - | ||
| #5,000 | CMTV - As principais notícias no Correio da Manhã - Correio da Manhã | No cmjornal.pt: As últimas Not | Correio da Manh\u00E3 | PT | pt-pt | ||
| #5,000 | ANT1 Life Style / Αρχική σελίδα | Ακολούθησε τον συναρπαστικό κόσμο του Antenna Life Style και μάθε όλα τα Celebrity News πρώτος με φωτογραφίες, videos και αποκλειστικές συνεντεύξεις! | - | GR | el | ||
| #5,000 | Baldur | Posts Baldur's Gate: A Dark Tour Through Its Dangerous Streets | D&D Beyond | - | en | ||
| #5,000 | El Mueble - Revista de decoración | Las mejores ideas para decorar tu casa o piso, métodos de orden y de ahorro, o para renovar tus muebles, con la calidad de la revista número 1 en España. | El Mueble | - | es | ||
| #5,000 | Package Holidays You Can Trust | Jet2holidays | Great value package holidays for £60pp deposit. Find all-inclusive and last-minute holidays, with hotel, return flights, transfers, 22kg bags and ATOL protection. | Jet2holidays | - | en | ||
| #5,000 | The world's best hospital | Mayo Clinic is the No. 1 hospital in the world., with campuses in Arizona, Florida, and Minnesota | Mayo Clinic | - | en | ||
| #5,000 | NVIDIA GeForce | Explore the world's most advanced graphics cards, gaming solutions, AI technology, and more from NVIDIA GeForce. | NVIDIA | US | en-us | ||
| #5,000 | Property Portal South Africa | Find your new home on privateproperty.co.za | Private Property | Private Property is your property portal for all the best listings around South Africa. Find your new home on privateproperty.co.za | - | ZA | en-za | ||
| #5,000 | O site Brasileiro de Telefonia - TudoCelular.com | Not�cias sobre o mundo m�vel, celulares, v�deos, fotos, reviews e os melhores pre�os da internet. Busque seu celular por fun��es como Wi-Fi, GPS, TV, c�mera e outros. | TudoCelular.com | BR | pt-br | ||
| #5,000 | Revista CLARA - Tendencias en moda, belleza, celebrities y bienestar | Web de la revista CLARA, la única 100% femenina y 100% práctica. Las mejores tendencias de moda, looks, cortes de pelo, ideas de uñas, maquillaje, noticias de celebrities y trucos de bienestar. | Clara | ES | es | ||
| #5,000 | Record: Tudo sobre desporto. Futebol, mercado, modalidades, resultados e classificações | As últimas notícias de Portugal, da Europa e do Mundo. Toda a informação, breaking news, reportagens e análises para formar a sua opinião. NOW, informação exata na hora certa. | Record | PT | pt-PT | ||
| #5,000 | Apartments.com Rental Manager - Online Rental Property Management Tools for Landlords | - | Rental Property Management Software by Apartments.com | - | en | ||
| #5,000 | Encontros, amizade e amor no site de encontros Felizes.pt | Felizes.pt é o maior site de encontros e namoro em Portugal. Com mais de 500.000 portugueses, é fácil conhecer pessoas e encontrar o amor! | - | - | - | ||
| #5,000 | MaCom Lectio | Lectio - Studieadministration og kommunikation: Skema, Lærerløn, Timeregnskab, Bogdepot, Fravær, Karakterer, Spørgeskemaer, Konsultationer, Dokumenter, Beskeder, Grupper, Studieplan, Indberetninger, Planlægning, Skemavisning, Beviser, Valgfagstilmelding, Holdpakning, Time-fagfordeling, Skemalægning | - | - | - | ||
| #5,000 | Minh Ngọc™ Xổ Số Trực Tiếp - Kết Quả Xổ Số NHANH NHẤT | Minh Ngọc™: Xổ số trực tiếp, kết quả xổ số minh ngọc tường thuật từng giải kqxs trực tuyến, Nhanh nhất, xsmn, xo so minh ngoc, minhngoc.net | - | - | - | ||
| #5,000 | Quiniela y Loterías Sorteos de Hoy - Jugando Online | Resultados de hoy de los sorteos de la Quiniela Nacional y Provincia, Loterias y juegos de azar. Telekino, Quini 6, Loto, Quiniela Poceada, Brinco. | - | - | - | ||
| #5,000 | Lecturas - Noticias del corazón hoy (Revista) | Lecturas, tu revista del corazón, te acerca todas las noticias de la prensa rosa, exclusivas de famosos y casas reales, consejos de belleza, moda, recetas, blogs y tu horóscopo semanal. | - | - | - | ||
| #5,000 | At Yarışı Bülteni | yenibeygir.com | En detaylı At Yarışı Bülteni (TJK Bülten). Altılı agf oranları, atların tüm yarışları, dereceleri, galopları, kardeşleri, pedigrileri ve istatistikleri burada. | - | - | - | ||
| #5,000 | Online Salvage Car Auctions: Used & Repairable Vehicles | IAA | - | - | - | - | ||
| #5,000 | Revista del corazón, prensa rosa y famosos - Revista SEMANA | - | - | - | - | ||
| #5,169 | Journals | Royal Society | Discover new research from across the sciences. | Royalsociety | - | en | ||
| #5,280 | National Wildlife Federation | Uniting all Americans to ensure wildlife thrive in a rapidly changing world, the National Wildlife Federation builds upon our nation's conservation heritage for present and future generations. | National Wildlife Federation | - | en | ||
| #5,296 | Economic Development & Opportunity | Long Beach Economic Development | - | - | - |
TechLeads scans public websites and identifies IIS from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 24, 2026. Counts only include websites we have scanned, so they can differ from other providers.
Complete IIS website dataset in CSV. One-time purchase.
Secure checkout · 7-day download accessTechnologies most frequently detected on the same websites as IIS.
21,772 sites newly detected in the last 12 weeks
Sites where we first detected IIS, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
This website is running on a Microsoft IIS Server solution.
Our comprehensive database contains 757,888 websites using IIS, making it the most complete IIS sites list available. This IIS customer websites directory helps businesses detect websites using IIS and identify potential leads.
Websites using IIS commonly also use Microsoft ASP.NET, Windows Server, jQuery, Bootstrap, Google Analytics — reflecting typical IIS technology stacks.
Our IIS technology detection system scans millions of websites to identify those powered by IIS. This list of sites with IIS includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with IIS or exploring IIS adoption trends, our database provides comprehensive insights.
Each entry in our IIS 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 IIS and reach out to potential customers or partners.
Get instant access to the full list of sites with IIS in CSV format. Our dataset includes all 757,888 IIS 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 IIS powered websites.