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.

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.

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.

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.

English - Language

   this website is using English as a language parameter

Nginx

   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.

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

   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 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"

Plesk

   Plesk is a commercial web hosting platform with a control panel that allows a server administrator to set up new websites, reseller accounts, e-mail accounts

Meta Description

   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 : AutoStakkert! (AS!3, AS!2) is lucky imaging software used to automatically analyze, align, and stack images of the Sun, Moon and Planets that were taken through a telescope. Using a fast video camera, noisy and slightly distorted images are obtained, that can be combined into a single high quality image using this software. AutoStakkert! is free software, easy to use, very fast, and generally produces the sharpest results compared to other lucky imaging software.

Meta keywords

   Meta keywords are types of meta tags in the HTML source code of a webpage. They describe the content of a website shortly and concisely,this website is using the following keywords: autostakkert!3, autostakkert,autostakkert!,autostakkert!2,astrostakkert,software,lucky imaging, aligning, alignment, registering, quality estimation, stacking, speed, pictures, images,sharpening,convolution, image processing, planets, sun,moon,deepsky,jupiter,venus,mars,uranus,neptune,inner planets, gas giants,mercury,space,universe,amateur,astrophotography,photography,webcam,camera,dmk21,dbk,asi120mm,dmk 21au618,dmk21-618,flea 3, basler ace, icx618ala, icx618, aptina,zwoptical,zwo design,long exposure, short exposure, seeing, transparancy, atmoshpere, distortion, twinkling stars, telescope, newton, dobson, mak, windows 7, windows 10, wine, virtualization,virtualbox, ubuntu, as!2,as!two,astwo, as!3,as!three,asthree,as!2.2,as!2.1,as!2.3,as!2.5

Vary Header Accept-Encoding

   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.

XFN 1.1

   XFN is a technical term that is an acronym that stands for “XHTML Friends Network.” This is primarily used by websites that want to create a series of referral links between other websites in order to boost SEO ratings.

WordPress DNS Prefetching

   DNS prefetching is an attempt to resolve domain names before a user tries to follow a link. This is done using the computer`s normal DNS resolution mechanism