Technology · Secure Email
287 websites in the live index use Send Guardian as of October 2026. Download the full list of Send Guardian websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Send Guardian on 287 websites: 0.16% of Secure Email detections, the 28th most-used of 67 Secure Email technologies we track.
Sample results for Send Guardian. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #1,000,000 | aulacem.es | Aulacem - Centro de Formación Profesional con titulación oficialEstudia en Aulacem, Centro de Formación Profesional con Titulación Oficial. Cursos Sanitarios y preparación de oposiciones. | Aulacem | - | - |
| #1,000,000 | todohobby.net | TodoHobbyTenda creada con PrestaShop | - | - | - |
| #5,000,000 | coboscatering.com | Catering Gourmet | Cobos Catering¿Buscas un servicio de catering gourmet con una gastronomía que te distinga en tu evento? ¡Contáctanos sin compromiso! ¡Te estamos esperando! | Cobos Catering | - | - |
| #5,000,000 | luisvives.com | Academia Luis Vives | Academia Oposiciones en ValenciaAcademia de oposiciones en Valencia y pruebas de acceso a la Universidad. En el centro de estudios Luis Vives impulsamos tu desarrollo. | Luis Vives | - | - |
| #5,000,000 | ecamisetas.com | Camisetas Personalizadas - EcamisetasCamisetas personalizadas serigrafiadas muy baratas para empresas y grupos. Serigraf�a camisetas con impresi�n de calidad, servicio r�pido a toda Espa�a | Ecamisetas.com | - | es |
| #5,000,000 | aulaplusformacion.es | Preparación de oposiciones Enfermería, EIR, Matrona, TCAE, Celador y Auxiliar AdministrativoAulaplus centro de formación líder en preparación de oposiciones sanitarias: Enfermería, EIR, Matrona, TCAE, Celador y Auxiliar Administrativo. | - | - | - |
| #5,000,000 | granatherapy.com | Granatherapy - Tienda online de Complementos AlimenticiosTu tienda online de complementos alimenticios: cápsulas de granada, hidroxitirosol, punicalagina y antocianinas. | - | - | - |
| #5,000,000 | acuarema.com | ACUAREMA: blog de referencia sobre el acuario plantadoEntra y aprende a montar un acuario plantado de revista. Nivel principiante, medio y avanzado sobre abonado, iluminación, filtración y especies de acuario. | - | - | - |
| #5,000,000 | anbor.eu | ANBOR Uniformes Laborales | - | - | - |
| #5,000,000 | lazarosoto.com | Página principal | - | - | - |
| #6,156,333 | allzone.es | Allzone | Compra online al mejor precio garantizadoTienda online de productos de Electrónica, Tecnología, smartphones, electrodomésticos y mucho más. Garantía y envío[i]ps_[i]1.7.5.2[i]10132 | - | - | - |
| #7,467,176 | coorm.org | COORM • Colegio de Ópticos y Optometristas de Murcia | - | - | - |
| #7,542,909 | delgadozuleta.com | HOME - Bodega Delgado Zuleta | - | - | - |
| #9,796,924 | alcalink.com | Alcalink Agencia De Marketing Digital 360 Prestashop ExpertConsigue un equipo de marketing completo para tu empresa gracias a nuestra Agencia de Marketing Digital 360 que trabaja mano a mano contigo y tu equipo | Alcalink | - | - |
| #9,980,748 | bodegasbaron.es | Bodegas Barón | Desde 1631 | Manzanilla de SanlúcarPioneros de la Manzanilla de Sanlúcar. Una de las bodegas más antiguas del Marco de Jerez. Casi 400 años de historia unida a la más pura vanguardia. | Bodegas Barón | - | en |
| #10,000,000 | entradasnotredame.com | Entradas Notre Dame Catedral【Tickets Oficial】Precio Online ▷ Reserva➽ Comprar entradas Notre Dame ✅ Tickets para la Catedral en nuestra página oficial ✅ Sin colas, Visita Guiada en Español, Tour, Audioguia ✅ Reserva Online I➨ Mejor Precio | Entradas Notre Dame | - | - |
| #10,000,000 | grupopaletplastic.es | Palets de Plástico y Cajas de Plástico ▶️ Grupo Paletplastic®️En Grupo PaletPlastic somos fabricantes de cajas de plástico y palets de plástico. Hacemos cualquier sistema de almacenaje plástico. | Grupo Paletplastic | - | - |
| #10,000,000 | leroomservice.eu | Le room service: InicioMejore la rentabilidad de su hotel, apartahotel o alojamiento turístico gracias a loa servicios de F&B que Le Room Service le ofrece. | LeroomService | - | - |
| #10,000,000 | artepal.com | Artepal: todo para tu hogar al mejor precioIluminación y decoración con envío gratuito | - | - | - |
| #10,000,000 | eldulze.es | El Dulze – Producción y distribución de verduras y hortalizas frescas y saludables desde la huerta de Europa. Productos del campo, esenciales para tu dieta mediterránea.[vc_empty_space height="1em" alter_height="none"... | - | - | - |
| #10,000,000 | fsnotarios.es | Notaría Alicante - Notaría AlicanteFS Notarios, Notaría Alicante | - | - | - |
| #10,000,000 | kinglong.es | Autocares y Autobuses | web KING LONG ® ESPAÑA | ★★★★★Descubra la REVOLUCIÓN del TRANSPORTE en una nueva era. Acceda a sus soluciones en electromovilidad y a su gama líder de midibuses, autocares y autobuses. | - | - | - |
| #10,000,000 | innovacionenfermera.org | Fundación Innovación Liderazgo en Enfermeria | - | - | - |
| #50,000,000 | gruposecurity.es | Grupo Security LorcaSistemas de seguridad y videovigilancia en Murcia y Almería. Instalación de cámaras, alarmas y control de accesos para hogares y empresas. Protección profesional con Grupo Security. | Grupo Security | - | - |
| #50,000,000 | guadanatura.es | Guadanatura - Productos ecológicos del Valle del Guadalentín.Bienvenidos a la web catálogo de la Coperativa de Consumidores y Usuarios Alimentos BIO del Valle del Guadalentín. ¡Entra y conócenos! | Guadanatura | - | - |
Complete Send Guardian website dataset in CSV. One-time purchase.
Send Guardian dataset · CSV
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The most-used Secure Email technologies in the TechLeads index, by number of websites. Send Guardian accounts for 0.16% of Secure Email detections (287 websites).
| No. | Technology | Websites | Share of Secure Email | Relative size |
|---|---|---|---|---|
| 01 | Proton Mail | 114,899 | 65.0% | |
| 02 | CDNS Network | 8,641 | 4.9% | |
| 03 | MailInBlack | 8,618 | 4.9% | |
| 04 | Sophos | 8,476 | 4.8% | |
| 05 | Hushmail | 4,381 | 2.5% | |
| 06 | Skymail | 4,289 |
TechLeads scans public websites and identifies Send Guardian from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 287 websites using Send Guardian. Open the sample table on this page or download the lead list.
Send Guardian is not in the HTTP Archive history extract (about 4,000 names). The live TechLeads catalog still tracks it among 12,000+ technologies.
See related technologies and co-occurrence on this page. Historical competitor charts appear when HTTP Archive covers Send Guardian.
Companies and websites using Send Guardian in the TechLeads index include aulacem.es, todohobby.net, coboscatering.com, luisvives.com, ecamisetas.com. The full list of 287 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Secure Email alternatives to Send Guardian are Proton Mail (114,899), CDNS Network (8,641), MailInBlack (8,618).
TechLeads scans public websites and matches Send Guardian by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
| 2.4% |
| 07 | Migadu | 3,694 | 2.1% |
|---|
| 08 | Securence | 2,597 | 1.5% |
|---|
| 09 | SpamTitan | 2,551 | 1.4% |
|---|
| 10 | MailGuard | 2,525 | 1.4% |
|---|
Yes. A one-time Send Guardian 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 Send GuardianRank
Technologies most frequently detected on the same websites as Send Guardian. Counts are websites in the live index.
Sites where we first detected Send Guardian, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
10
sites newly detected in the last 12 weeks
Anti-spam email filtering service.
Our comprehensive database contains 287 websites using Send Guardian, making it the most complete Send Guardian sites list available. This Send Guardian customer websites directory helps businesses detect websites using Send Guardian and identify potential leads.
Websites using Send Guardian commonly also use Haravan, Zendesk, Modernizr, jQuery, WordPress — reflecting typical Send Guardian technology stacks.
Our Send Guardian technology detection system scans millions of websites to identify those powered by Send Guardian. This list of sites with Send Guardian includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Send Guardian or exploring Send Guardian adoption trends, our database provides comprehensive insights.
Each entry in our Send Guardian 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 Send Guardian and reach out to potential customers or partners.
Get instant access to the full list of sites with Send Guardian in CSV format. Our dataset includes all 287 Send Guardian 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 Send Guardian powered websites.
