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Visa Inc. Stack
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Visa.com is built with the following tech stack:
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.
Document Standards
X-UA-Compatible
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
Meta Description
The description attribute provides a concise explanation of the page content.
Meta Keywords
Meta tag containing keywords related to the page.
Canonical Content Tag
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
HREF Lang
Contains language specific links.
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
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.
Javascript
JavaScript is a scripting language most often used for client-side web development.
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.
X-XSS-Protection
X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of 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.
Mobile
Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Language
Norway HREF LANG
This webpage has alternate versions available in Norway via the use of the hreflang tag.
Chile HREF LANG
This webpage has alternate versions available in Chile 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.
Portugal HREF LANG
This webpage has alternate versions available in Portugal via the use of the hreflang tag.
Belgium HREF LANG
This webpage has alternate versions available in Belgium via the use of the hreflang tag.
Philippines HREF LANG
This webpage has alternate versions available in Philippines via the use of the hreflang tag.
HongKong HREF LANG
This webpage has alternate versions available in HongKong via the use of the hreflang tag.
Korea HREF LANG
This webpage has alternate versions available in Korea 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.
Denmark HREF LANG
This webpage has alternate versions available in Denmark via the use of the hreflang tag.
United States HREF LANG
This webpage has alternate versions available in United States via the use of the hreflang tag.
Belgium HREF LANG
This webpage has alternate versions available in Belgium via the use of the hreflang tag.
China HREF LANG
This webpage has alternate versions available in China via the use of the hreflang tag.
Malaysia HREF LANG
This webpage has alternate versions available in Malaysia via the use of the hreflang tag.
Switzerland HREF LANG
This webpage has alternate versions available in Switzerland via the use of the hreflang tag.
New Zealand HREF LANG
This webpage has alternate versions available in New Zealand via the use of the hreflang tag.
Finland HREF LANG
This webpage has alternate versions available in Finland via the use of the hreflang tag.
Canada HREF LANG
This webpage has alternate versions available in Canada via the use of the hreflang tag.
Switzerland HREF LANG
This webpage has alternate versions available in Switzerland via the use of the hreflang tag.
Saudi Arabia HREF LANG
This webpage has alternate versions available in Saudi Arabia via the use of the hreflang tag.
HongKong HREF LANG
This webpage has alternate versions available in HongKong 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.
Italy HREF LANG
This webpage has alternate versions available in Italy via the use of the hreflang tag.
SSL Certificates
HSTS
Forces browsers to only communicate with the site using HTTPS.