book.osnova.com.ua

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Document Standards

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.


NO Store HTTP Cache-Control

NO Store HTTP Cache-Control

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   The cache should not store anything about the client request or server response.

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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.


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.


Pragma Header - backwards compatibility with HTTP/1.0

Pragma Header - backwards compatibility with HTTP/1.0

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   The Pragma HTTP/1.0 general header is an implementation-specific header that may have various effects along the request-response chain. It is used for backwards compatibility with HTTP/1.0 caches where the Cache-Control HTTP/1.1 header is not yet present.


SEO Robots : Allow to index and follow website links

SEO Robots : Allow to index and follow website links

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   Meta robots tag is a tag that tells search engines what to follow and what not to follow.


Post Cache-Control Header

Post Cache-Control Header

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   this website is using post-heck Cache-Control Header.


Precheck Cache-Control Header

Precheck Cache-Control Header

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   this website is using precheck Cache-Control Header.


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.


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.


Meta Description

Meta Description

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   A meta description is a 160-character snippet, a meta tag in HTML, that summarizes a page`s content. this website is having meta description of the following : Інтернет магазин Видавничої групи «Основа» osnova.com.ua. Посібники для вчителів, зошити для учнів, наочність, диски для підготовки до уроків. Доставка по Україні




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.


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.


Gzip Content-Encoding

Gzip Content-Encoding

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   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.


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"




Analytics and Tracking

Facebook Pixel

Facebook Pixel

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   The Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising by understanding the actions people take on your website.

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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

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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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Disable Telephone link in HTML on Mobile Devices

Disable Telephone link in HTML on Mobile Devices

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   Telephone links are a thing. Like an anchor link you tap to (probably) go to another page, these are links you tap to call a number on a phone-capable device.




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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Framworks

PHP 5.2.14

PHP 5.2.14

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   PHP: Hypertext Preprocessor is a general-purpose programming language originally designed for web development.

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PHP

PHP

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   PHP: Hypertext Preprocessor is a general-purpose programming language originally designed for web development.

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Widgets

Google Tag Manager

Google Tag Manager

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   Google Tag Manager is a tag management system created by Google to manage JavaScript and HTML tags used for tracking and analytics on websites (variants of e-marketing tags, sometimes referred to as tracking pixels or web beacons.

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Operating Systems and Servers

Nginx 1.18.0  On OS:Ubuntu

Nginx 1.18.0 On OS:Ubuntu

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   Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and first publicly released in 2004. A company of the same name was founded in 2011 to provide support and Nginx plus paid software.

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Nginx 0.8.53

Nginx 0.8.53

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   Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and first publicly released in 2004. A company of the same name was founded in 2011 to provide support and Nginx plus paid software.

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Content Delivery Network

Cdnjs

Cdnjs

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   cdnjs is a CDN host for opensource libraries

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JavaScript Libraries and Functions

modernizr  2.6.2

modernizr 2.6.2

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   Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

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Copyright

Copyright  : 2021

Copyright : 2021

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   This website has copyright signature in the year : 2021




Document Standards

No Cache Content

No Cache Content

2021-08-08 / 2021-08-08

|

NO Store HTTP Cache-Control

NO Store HTTP Cache-Control

2021-08-08 / 2021-08-08

|

Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control

2021-08-08 / 2021-08-08

|

Cache-Control Header Max-Age

Cache-Control Header Max-Age

2021-08-08 / 2021-08-08

|

X-Frame-Options Header

X-Frame-Options Header

2021-08-08 / 2021-08-08

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Pragma Header - backwards compatibility with HTTP/1.0

Pragma Header - backwards compatibility with HTTP/1.0

2019-05-26 / 2021-08-08

|

SEO Robots : Allow to index and follow website links

SEO Robots : Allow to index and follow website links (removed)

2019-05-26 / 2019-05-26

|

Post Cache-Control Header

Post Cache-Control Header (removed)

2019-05-26 / 2019-05-26

|

Precheck Cache-Control Header

Precheck Cache-Control Header (removed)

2019-05-26 / 2019-05-26

|

Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control (removed)

2019-05-26 / 2019-05-26

|

NO Store HTTP Cache-Control

NO Store HTTP Cache-Control (removed)

2019-05-26 / 2019-05-26

|

No Cache Content

No Cache Content (removed)

2019-05-26 / 2019-05-26

|

Vary Header Accept-Encoding

Vary Header Accept-Encoding

2021-08-08 / 2021-08-08

|

Block Content Sniffing

Block Content Sniffing

2021-08-08 / 2021-08-08

|

XSS-Protection Header

XSS-Protection Header

2021-08-08 / 2021-08-08

|

Meta Description

Meta Description (removed)

2019-05-26 / 2019-05-26

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Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8 (removed)

2019-05-26 / 2019-05-26

|

Character Encoding :UTF-8

Character Encoding :UTF-8

2021-08-08 / 2021-08-08

|

Gzip Content-Encoding

Gzip Content-Encoding

2021-08-08 / 2021-08-08

|

Chunked transfer encoding

Chunked transfer encoding

2019-05-26 / 2021-08-08

|



Analytics and Tracking

Facebook Pixel

Facebook Pixel

2019-05-26 / 2021-08-08

|



Mobile

Viewport  - Width

Viewport - Width

2021-08-08 / 2021-08-08

|

Viewport  - initial-scale

Viewport - initial-scale

2021-08-08 / 2021-08-08

|

Viewport  - Mobile compatible

Viewport - Mobile compatible

2021-08-08 / 2021-08-08

|

Disable Telephone link in HTML on Mobile Devices

Disable Telephone link in HTML on Mobile Devices

2021-08-08 / 2021-08-08

|

Viewport  - initial-scale

Viewport - initial-scale (removed)

2019-05-26 / 2019-05-26

|

Viewport  - Width

Viewport - Width (removed)

2019-05-26 / 2019-05-26

|

Viewport  - Mobile compatible

Viewport - Mobile compatible (removed)

2019-05-26 / 2019-05-26

|



Email Hosting Providers

SPF

SPF

2019-05-26 / 2021-08-08

|



Framworks

PHP 5.2.14

PHP 5.2.14 (removed)

2019-05-26 / 2019-05-26

|

PHP

PHP

2019-05-26 / 2021-08-08

|



Widgets

Google Tag Manager

Google Tag Manager

2021-08-08 / 2021-08-08

|



Operating Systems and Servers

Nginx 1.18.0  On OS:Ubuntu

Nginx 1.18.0 On OS:Ubuntu

2021-08-08 / 2021-08-08

|

Nginx 0.8.53

Nginx 0.8.53 (removed)

2019-05-26 / 2019-05-26

|



Content Delivery Network

Cdnjs

Cdnjs (removed)

2019-05-26 / 2019-05-26

|



JavaScript Libraries and Functions

modernizr  2.6.2

modernizr 2.6.2 (removed)

2019-05-26 / 2019-05-26

|



Copyright

Copyright  : 2021

Copyright : 2021

2021-08-08 / 2021-08-08

|



Profile Details

Last technolgie detected on 2021-08-08 We know of 31 technologies on book.osnova.com.ua and 37 technologies detected on book.osnova.com.ua since 2019-05-26.




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