o2.cz

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Document Standards

schema.org micro-markup

schema.org micro-markup

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   Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.

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HSTS - Browser HTTPS Only

HSTS - Browser HTTPS Only

Download List of All Websites using HSTS - Browser HTTPS Only

   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 2592000 seconds


Internet Explorer Compatibility

Internet Explorer Compatibility

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   this website is supporting The highest supported document mode of the browser for Internet Explorer


Vary Header Accept-Encoding

Vary Header Accept-Encoding

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   The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.

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Block Content Sniffing

Block Content Sniffing

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   The X-Content-Type-Options response HTTP header is a marker used by the server to indicate that the MIME types advertised in the Content-Type headers should not be changed and be followed. This allows to opt-out of MIME type sniffing, or, in other words, it is a way to say that the webmasters knew what they were doing.


No Cache Content

No Cache Content

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   Forces caches to submit the request to the origin server for validation before releasing a cached copy.


XSS-Protection Header

XSS-Protection Header

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   The HTTP X-XSS-Protection response header is a feature of Internet Explorer, Chrome and Safari that stops pages from loading when they detect reflected cross-site scripting (XSS) attacks. Although these protections are largely unnecessary in modern browsers when sites implement a strong Content-Security-Policy that disables the use of inline JavaScript (`unsafe-inline`), they can still provide protections for users of older web browsers that don`t yet support CSP.




Email Hosting Providers

SPF

SPF

Download List of All Websites using SPF

   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

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Microsoft Office 365

Microsoft Office 365

Download List of All Websites using Microsoft Office 365

   Microsoft Office 365 is a Software as a Service (SaaS) solution that includes Microsoft Office and other services, such as email and collaboration, from Microsoft’s cloud server. Microsoft Office 365 provides desktop functionalities and is available by subscription.

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Mobile

Viewport  - Width

Viewport - Width

Download List of All Websites using Viewport - Width

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Viewport  - initial-scale

Viewport - initial-scale

Download List of All Websites using Viewport - initial-scale

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Viewport  - Mobile compatible

Viewport - Mobile compatible

Download List of All Websites using Viewport - Mobile compatible

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8

Download List of All Websites using Character Encoding :utf-8

   This website is using utf-8 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.


Gzip Content-Encoding

Gzip Content-Encoding

Download List of All Websites using Gzip Content-Encoding

   The Content-Encoding entity header is used to compress the media-type. When present, its value indicates which encodings were applied to the entity-body. It lets the client know how to decode in order to obtain the media-type referenced by the Content-Type header.




Document Standards

schema.org micro-markup

schema.org micro-markup

2021-08-29 / 2021-08-29

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HSTS - Browser HTTPS Only

HSTS - Browser HTTPS Only

2021-08-29 / 2021-08-29

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Internet Explorer Compatibility

Internet Explorer Compatibility

2021-08-29 / 2021-08-29

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Vary Header Accept-Encoding

Vary Header Accept-Encoding

2021-08-29 / 2021-08-29

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Block Content Sniffing

Block Content Sniffing

2021-08-29 / 2021-08-29

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No Cache Content

No Cache Content

2021-08-29 / 2021-08-29

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XSS-Protection Header

XSS-Protection Header

2021-08-29 / 2021-08-29

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Email Hosting Providers

SPF

SPF

2021-08-29 / 2021-08-29

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Microsoft Office 365

Microsoft Office 365

2021-08-29 / 2021-08-29

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Mobile

Viewport  - Width

Viewport - Width

2021-08-29 / 2021-08-29

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Viewport  - initial-scale

Viewport - initial-scale

2021-08-29 / 2021-08-29

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Viewport  - Mobile compatible

Viewport - Mobile compatible

2021-08-29 / 2021-08-29

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Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8

2021-08-29 / 2021-08-29

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Gzip Content-Encoding

Gzip Content-Encoding

2021-08-29 / 2021-08-29

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Profile Details

Last technolgie detected on 2021-08-29 We know of 14 technologies on o2.cz and 14 technologies detected on o2.cz since 2021-08-29.




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