rubygems.org

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Document Standards

Private Cache-Control Header

Private Cache-Control Header

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   The Cache-Control general-header field is used to specify directives for caching mechanisms in both requests and responses. Caching directives are unidirectional, meaning that a given directive in a request is not implying that the same directive is to be given in the response.


Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control

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   Indicates that once a resource has become stale (e.g. max-age has expired), a cache must not use the response to satisfy subsequent requests for this resource without successful validation on the origin server.

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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=0 secs.


favicon.ico

favicon.ico

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   A favicon, also known as a shortcut icon, website icon, tab icon, URL icon, or bookmark icon, is a file containing one or more small icons, associated with a particular website or web page.

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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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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.


X-Cache HTTP Header

X-Cache HTTP Header

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   The resource was not in the website cache, and was pulled from the origin server like Varnish servers.


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 0 seconds


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.


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.




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.


Chunked transfer encoding

Chunked transfer encoding

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   Chunked transfer encoding is a streaming data transfer mechanism available in version 1.1 of the Hypertext Transfer Protocol (HTTP). In chunked transfer encoding, the data stream is divided into a series of non-overlapping "chunks"




Language

English - Language

English - Language

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   this website is using English as a language parameter




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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SendGrid

SendGrid

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   SendGrid is a Denver, Colorado-based customer communication platform for transactional and marketing email.

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Framworks

Varnish

Varnish

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   Varnish is an HTTP accelerator designed for content-heavy dynamic web sites as well as APIs. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator.




Web Servers

Server partial requests support

Server partial requests support

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   The Accept-Ranges response HTTP header is a marker used by the server to advertise its support of partial requests. The value of this field indicates the unit that can be used to define a range.




Mobile

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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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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Document Standards

Private Cache-Control Header

Private Cache-Control Header (removed)

2019-05-27 / 2019-05-27

|

Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control (removed)

2019-05-27 / 2019-05-27

|

Cache-Control Header Max-Age

Cache-Control Header Max-Age (removed)

2019-05-27 / 2019-05-27

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favicon.ico

favicon.ico (removed)

2019-05-27 / 2019-05-27

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Vary Header Accept-Encoding

Vary Header Accept-Encoding (removed)

2019-05-27 / 2019-05-27

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X-Frame-Options Header

X-Frame-Options Header (removed)

2019-05-27 / 2019-05-27

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X-Cache HTTP Header

X-Cache HTTP Header (removed)

2019-05-27 / 2019-05-27

|

HSTS - Browser HTTPS Only for domain and subdomains

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

2019-05-27 / 2019-05-27

|

Block Content Sniffing

Block Content Sniffing (removed)

2019-05-27 / 2019-05-27

|

XSS-Protection Header

XSS-Protection Header (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

|

Chunked transfer encoding

Chunked transfer encoding (removed)

2019-05-27 / 2019-05-27

|



Language

English - Language

English - Language (removed)

2019-05-27 / 2019-05-27

|



Email Hosting Providers

SPF

SPF (removed)

2019-05-27 / 2019-05-27

|

SendGrid

SendGrid (removed)

2019-05-27 / 2019-05-27

|



Framworks

Varnish

Varnish (removed)

2019-05-27 / 2019-05-27

|



Web Servers

Server partial requests support

Server partial requests support (removed)

2019-05-27 / 2019-05-27

|



Mobile

Viewport  - initial-scale

Viewport - initial-scale (removed)

2019-05-27 / 2019-05-27

|

Viewport  - Width

Viewport - Width (removed)

2019-05-27 / 2019-05-27

|

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 20 technologies on rubygems.org and 20 technologies detected on rubygems.org since 2019-05-27.




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