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.

Google Analytics

   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.

Server partial requests support

   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.

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 : Ние сме туроператорска фирма ГАП-ИНЖЕНЕРИНГ ООД с лого GAP-TOURS и предлагаме цени и резервации за хижи, бази, екскурзии, почивки, къщи за гости, екотуризъм, зелени училища, ученически лагери, топ оферти, черноморски курорти, планински курорти, кетъринг, транспорт и други услуги свързани с туризма, както и самолетни билети.

SEO Robots : Allow to index and follow website links

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

Apache 1.3.41 |Operating System:Unix

   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.