Vesselfinder.com is built with the following tech stack:
Document Standards
Meta Description
The description attribute provides a concise explanation of the page content.
Canonical Content Tag
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
Web App Manifest
Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.
Cascading Style Sheets
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML
HREF Lang
Contains language specific links.
Javascript Defer
The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script. This can improve performance by delaying execution of scripts until after the body content is parsed and rendered.
JSON-LD
JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.
Referrer Policy
Requests made from a document, and for navigations away from that document are associated with a Referrer header. This policy determines in the browser should send a referrer or not.
WAI-ARIA
A way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.
HTML5 DocType
The DOCTYPE is a required preamble for HTML5 websites.
HTML 5 Specific Tags
This page contains tags that are specific to an HTML 5 implementation.
Content Security Policy
Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.
Content Type Options
Used to disable MIME-sniffing for a particular HTTP response.
Strict Transport Security
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
SSL Certificates
HSTS
Forces browsers to only communicate with the site using HTTPS.
Document Encoding
UTF-8
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Mobile
Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Mobile Non Scaleable Content
This content is formatted for mobile devices, it does not allow the content to be scaled.
Apple Mobile Web Clips Icon
This page contains an icon for iPhone, iPad and iTouch devices.
Language
United States HREF LANG
This webpage has alternate versions available in United States via the use of the hreflang tag.
France HREF LANG
This webpage has alternate versions available in France via the use of the hreflang tag.
Germany HREF LANG
This webpage has alternate versions available in Germany via the use of the hreflang tag.
Danish HREF LANG
This webpage has alternate versions available in Danish via the use of the hreflang tag.
Netherlands HREF LANG
This webpage has alternate versions available in Netherlands via the use of the hreflang tag.
Spain HREF LANG
This webpage has alternate versions available in Spain via the use of the hreflang tag.
Poland HREF LANG
This webpage has alternate versions available in Poland via the use of the hreflang tag.
Greek HREF LANG
This webpage has alternate versions available in Greek via the use of the hreflang tag.
Bulgaria HREF LANG
This webpage has alternate versions available in Bulgaria via the use of the hreflang tag.
Turkey HREF LANG
This webpage has alternate versions available in Turkey via the use of the hreflang tag.
Russia HREF LANG
This webpage has alternate versions available in Russia via the use of the hreflang tag.
Italy HREF LANG
This webpage has alternate versions available in Italy via the use of the hreflang tag.