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Document Standards

HTTP Upgrade Header - HTTP/2

Download List of All Websites using HTTP Upgrade Header - HTTP/2

The HTTP Upgrade mechanism is used to establish HTTP/2 starting from plain HTTP. The client starts an HTTP/1.1 connection and sends an Upgrade: h2c header. If the server supports HTTP/2, it replies with HTTP 101 Switching Protocol status code. The HTTP Upgrade mechanism is used only for cleartext HTTP2 (h2c). In the case of HTTP2 over TLS (h2), the ALPN TLS protocol extension is used instead.

source: https://en.wikipedia.org/wiki/HTTP/1.1_Upgrade_header

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HSTS - Browser HTTPS Only for domain and subdomains

Download List of All Websites using HSTS - Browser HTTPS Only for domain and subdomains

The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for domain and subdomains browsers will never connect to your domain using an insecure connection. While the service is hosted by Googlefor 31536000 seconds

source: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security

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Operating Systems and Servers

Microsoft-IIS 10.0 (removed)

2019-05-25 / 2019-05-25

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Apache 2.4.29 |Operating System:Ubuntu (removed)

2021-08-01 / 2023-05-08

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Document Standards

Meta Description (removed)

2021-08-01 / 2021-08-01

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Cache-Control Header Max-Age (removed)

2019-05-25 / 2019-05-25

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Must Revalidate HTTP Cache-Control (removed)

2021-08-01 / 2021-08-01

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NO Store HTTP Cache-Control (removed)

2021-08-01 / 2021-08-01

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No Cache Content (removed)

2021-08-01 / 2021-08-01

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Pragma Header - backwards compatibility with HTTP/1.0 (removed)

2021-08-01 / 2021-08-01

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HTTP Upgrade Header - HTTP/2

2025-09-20 / 2025-09-20

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schema.org micro-markup (removed)

2021-08-01 / 2021-08-01

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HSTS - Browser HTTPS Only for domain and subdomains

2025-09-20 / 2025-09-20

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Vary Header Accept-Encoding (removed)

2021-08-01 / 2021-08-01

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Block Content Sniffing (removed)

2021-08-01 / 2023-05-08

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HSTS - Browser HTTPS Only for domain and subdomains (removed)

2021-08-01 / 2023-05-08

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Meta keywords (removed)

2021-08-01 / 2021-08-01

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Email Hosting Providers

SPF (removed)

2019-05-25 / 2023-05-08

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GoDaddy Email (removed)

2019-05-25 / 2023-05-08

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Language

English - Language (removed)

2021-08-01 / 2021-08-01

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Framworks

PHP (removed)

2021-08-01 / 2021-08-01

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ASP.NET (removed)

2019-05-25 / 2019-05-25

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Widgets

Twitter Cards (removed)

2021-08-01 / 2021-08-01

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Mobile

Viewport - initial-scale (removed)

2021-08-01 / 2021-08-01

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Viewport - Width (removed)

2021-08-01 / 2021-08-01

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Viewport - Mobile compatible (removed)

2021-08-01 / 2021-08-01

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Progressive Web Apps For iOS (removed)

2021-08-01 / 2021-08-01

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Document Encoding

Character Encoding :UTF-8 (removed)

2021-08-01 / 2023-05-08

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Gzip Content-Encoding (removed)

2021-08-01 / 2021-08-01

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Web Servers

Server partial requests support (removed)

2019-05-25 / 2019-05-25

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Profile Details

Last technolgie detected on 2025-09-20 We know of 2 technologies on whatevo.com and 28 technologies detected on whatevo.com since 2019-05-25.

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