denverlibrary.org

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Document Standards

HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

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   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 subdomainsfor 63072000 seconds


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.


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.


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=32400 secs.




Email Hosting Providers

G Suite

G Suite

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   formerly Google Apps for Work and Google Apps for Your Domain is a brand of cloud computing, productivity and collaboration tools, software and products developed by Google.

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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




Widgets

Google Fonts API

Google Fonts API

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   Making the web more beautiful, fast, and open through great typography.this website is using Roboto+Slab font family

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Google Fonts API

Google Fonts API

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   Making the web more beautiful, fast, and open through great typography.this website is using Fira+Sans font family

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Google Fonts API

Google Fonts API

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   Making the web more beautiful, fast, and open through great typography.this website is using Open+Sans&subset=latin,latin-ext font family

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Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

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   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.




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  - Mobile compatible

Viewport - Mobile compatible

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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

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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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Operating Systems and Servers

OpenSSL  1.0.2k-fips

OpenSSL 1.0.2k-fips (removed)

2021-08-02 / 2021-08-02

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Apache 2.4.34 |Operating System:Red Hat

Apache 2.4.34 |Operating System:Red Hat (removed)

2021-08-02 / 2021-08-02

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OpenSSL  1.0.2k-fips

OpenSSL 1.0.2k-fips (removed)

2019-05-25 / 2019-05-25

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Apache 2.4.34 |Operating System:Red Hat

Apache 2.4.34 |Operating System:Red Hat (removed)

2019-05-25 / 2019-05-25

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Document Standards

HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

2025-09-22 / 2025-09-22

|

X-Frame-Options Header

X-Frame-Options Header

2019-05-25 / 2025-09-22

|

Public Cache-Control

Public Cache-Control (removed)

2019-05-25 / 2021-08-02

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Cache-Control Header Max-Age

Cache-Control Header Max-Age (removed)

2019-05-25 / 2021-08-02

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Block Content Sniffing

Block Content Sniffing

2019-05-25 / 2025-09-22

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Vary Header check for cookies

Vary Header check for cookies

2019-05-25 / 2025-09-22

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Internet Explorer Compatibility

Internet Explorer Compatibility (removed)

2019-05-25 / 2021-08-02

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Public Cache-Control

Public Cache-Control

2025-09-22 / 2025-09-22

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Cache-Control Header Max-Age

Cache-Control Header Max-Age

2025-09-22 / 2025-09-22

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Email Hosting Providers

G Suite

G Suite

2019-05-25 / 2025-09-22

|

SPF

SPF

2019-05-25 / 2025-09-22

|

Microsoft Office 365

Microsoft Office 365

2025-09-22 / 2025-09-22

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Mandrill

Mandrill (removed)

2019-05-25 / 2019-05-25

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Framworks

PHP 7.2.10

PHP 7.2.10 (removed)

2019-05-25 / 2019-05-25

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PHP 7.4.22

PHP 7.4.22 (removed)

2021-08-02 / 2021-08-02

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Language

English - Language

English - Language

2019-05-25 / 2025-09-22

|



Widgets

Google Fonts API

Google Fonts API

2019-05-25 / 2025-09-22

|

Google Fonts API

Google Fonts API

2019-05-25 / 2025-09-22

|

Google Fonts API

Google Fonts API

2019-05-25 / 2025-09-22

|



Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

2019-05-25 / 2025-09-22

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Chunked transfer encoding

Chunked transfer encoding (removed)

2019-05-25 / 2021-08-02

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Mobile

Viewport  - Width

Viewport - Width

2019-05-25 / 2025-09-22

|

Viewport  - Mobile compatible

Viewport - Mobile compatible

2019-05-25 / 2025-09-22

|

Viewport  - initial-scale

Viewport - initial-scale

2019-05-25 / 2025-09-22

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Profile Details

Last technolgie detected on 2025-09-22 We know of 17 technologies on denverlibrary.org and 28 technologies detected on denverlibrary.org since 2019-05-25.




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