opto.ca

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Operating Systems and Servers

Apache 2.4.41 |Operating System:Ubuntu

Apache 2.4.41 |Operating System:Ubuntu

Download List of All Websites using Apache 2.4.41 |Operating System:Ubuntu

   The Apache HTTP Server, colloquially called Apache, is free and open-source cross-platform web server software, released under the terms of Apache License 2.0. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.


Apache 2.4.39 |Operating System:Ubuntu

Apache 2.4.39 |Operating System:Ubuntu

Download List of All Websites using Apache 2.4.39 |Operating System:Ubuntu

   The Apache HTTP Server, colloquially called Apache, is free and open-source cross-platform web server software, released under the terms of Apache License 2.0. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.




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.




Email Hosting Providers

SPF

SPF

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   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

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   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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Language

English - Language

English - Language

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   this website is using English as a language parameter




Analytics and Tracking

Google Analytics

Google Analytics

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   Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand.

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Document Standards

X-Frame-Options Header

X-Frame-Options Header

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   The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.


Public Cache-Control

Public Cache-Control

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   Indicates that the response may be cached by any cache, even if the response would normally be non-cacheable (e.g. if the response does not contain a max-age directive or the Expires header).

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Cache-Control Header Max-Age

Cache-Control Header Max-Age

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   Specifies the maximum amount of time a resource will be considered fresh. Contrary to Expires, this directive is relative to the time of the request. this website is having max-age=3600 secs.


HTTP Upgrade Header - HTTP/2

HTTP Upgrade Header - HTTP/2

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   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.

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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.


Vary Header check for cookies

Vary Header check for cookies

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   The Vary HTTP response header determines how to match future request headers to decide whether a cached response can be used rather than requesting a fresh one from the origin server. It is used by the server to indicate which headers it used when selecting a representation of a resource in a content negotiation algorithm.


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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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




Mobile

Viewport  - Width

Viewport - Width

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   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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Operating Systems and Servers

Apache 2.4.41 |Operating System:Ubuntu

Apache 2.4.41 |Operating System:Ubuntu

2021-08-15 / 2021-08-15

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Apache 2.4.39 |Operating System:Ubuntu

Apache 2.4.39 |Operating System:Ubuntu (removed)

2019-05-27 / 2019-05-27

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Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8 (removed)

2019-05-27 / 2019-05-27

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Email Hosting Providers

SPF

SPF (removed)

2019-05-27 / 2019-05-27

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Microsoft Office 365

Microsoft Office 365 (removed)

2019-05-27 / 2019-05-27

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Language

English - Language

English - Language (removed)

2019-05-27 / 2019-05-27

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English - Language

English - Language

2019-05-27 / 2021-08-15

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Analytics and Tracking

Google Analytics

Google Analytics (removed)

2019-05-27 / 2019-05-27

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Document Standards

X-Frame-Options Header

X-Frame-Options Header

2019-05-27 / 2021-08-15

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Public Cache-Control

Public Cache-Control

2021-08-15 / 2021-08-15

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Cache-Control Header Max-Age

Cache-Control Header Max-Age

2021-08-15 / 2021-08-15

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HTTP Upgrade Header - HTTP/2

HTTP Upgrade Header - HTTP/2 (removed)

2019-05-27 / 2019-05-27

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Public Cache-Control

Public Cache-Control (removed)

2019-05-27 / 2019-05-27

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Cache-Control Header Max-Age

Cache-Control Header Max-Age (removed)

2019-05-27 / 2019-05-27

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Block Content Sniffing

Block Content Sniffing

2019-05-27 / 2021-08-15

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Vary Header check for cookies

Vary Header check for cookies

2019-05-27 / 2021-08-15

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Vary Header Accept-Encoding

Vary Header Accept-Encoding

2019-05-27 / 2021-08-15

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Internet Explorer Compatibility

Internet Explorer Compatibility

2021-08-15 / 2021-08-15

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Mobile

Viewport  - Width

Viewport - Width (removed)

2019-05-27 / 2019-05-27

|

Viewport  - initial-scale

Viewport - initial-scale (removed)

2019-05-27 / 2019-05-27

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Viewport  - Mobile compatible

Viewport - Mobile compatible (removed)

2019-05-27 / 2019-05-27

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Profile Details

Last technolgie detected on 2021-08-15 We know of 18 technologies on opto.ca and 21 technologies detected on opto.ca since 2019-05-27.




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