Website optica24.pt

Conversant offers a fully integrated personalization platform, personalized media programs and an affiliate marketing networks.

Dotomi applies Personalized Media practices to anonymous, user-level marketing programs.

Trustpilot is an open, community-based platform for sharing real reviews of shopping experiences online.

Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.

Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.

Websites that accepts payments with American Express.

iDEAL is a payment method made up of a collection of agreements and standards for an immediate online transfer from a purchaser’s bank account to the bank account of a webshop or organisation.

Websites that accepts payments with Visa.

Websites that accepts payments with MasterCard.

Website accepting payment using Mister Cash (Bancontact) debit card.

Website using the € symbol on their website - meaning it may accept payment in Euros.

Adyen is a leading provider of omni-channel payment solutions with over 250 payment methods and 187 transaction currencies.

Amazon Payments is a fast, easy and safe way to accept payments online and on mobile.

Klarna Checkout takes the tries to take the hassle out of buying on mobile devices.

PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.

Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.

Amazon hosting services.

Open graph url entity tag

The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.

The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.

When running in a browser on a mobile phone, "format-detection" meta tag determines whether or not telephone numbers in the HTML content will appear as hypertext links. The user can click a link with a telephone number to initiate a phone call to that phone number.

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".

Sites using Html 5 SVG Tag

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.