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Site Info - Seva.ca

Overview of web technologies used by Seva.ca.

Website Background

Seva Canada - Home
Seva Canada is a Vancouver-based charitable organisation whose mission is to restore sight and prevent blindness in low- and middle-income countries.

Description on Homepage

Top 10m among all websites

Popularity rank

WordPress is an open source blog publishing and content management system, based on PHP and MySQL.

WordPress 6.7.1
version 6.6.2 used until recently
0% of sites use a newer version

Drupal is an open source content management system written in PHP, originally developed by Dries Buytaert.

Drupal 7.99
used until recently

Drupal Commerce is an open source e-commerce framework based on Drupal.

Drupal Commerce
used until recently

PHP is a scripting language for creating websites.

PHP

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.

JavaScript

jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

jQuery 3.6.3
50% of sites use a newer version

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Bootstrap
used until recently

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the visitors browser.

Modernizr
used until recently

React is an open source JavaScript library for building user interfaces, developed by Facebook.

React
used until recently

Moment.js is a library to manipulate dates in JavaScript.

Moment.js
used until recently

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

Nginx
used until recently

HardyPress provides WordPress hosting as static files.

HardyPress

DigitalOcean is a US-based web hosting provider.

DigitalOcean
used until recently
hosting info partly based on data from ipinfo.io

Amazon is a US-based e-commerce and cloud computing provider.

Amazon

DigitalOcean is a US-based web hosting provider.

DigitalOcean
used until recently

Bunny provides a content delivery network.

Bunny CDN

DigitalOcean is a US-based internet services provider.

DigitalOcean

Microsoft is a multinational technology company headquartered in USA, also offering email services.

Microsoft

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

Let’s Encrypt

Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.

Sectigo
used until recently

The jQuery CDN hosts copies of the jQuery library, provided by MaxCDN.

jQuery CDN

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

Google Analytics

Hotjar is a website analytics and feedback application.

Hotjar

The LinkedIn Insight Tag helps to optimize LinkedIn campaigns.

LinkedIn Insight Tag

Meta Pixel (formerly Facebook Pixel) is an analytics tool to track actions on websites.

Meta Pixel
used until recently

The Google Advertising network consists of AdSense, DoubleClick and other services.

Google Ads

AdRoll is an advertising network for retargeting and other advertising formats.

AdRoll
used until recently

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

Google Tag Manager

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

Facebook
used until recently

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

Default subdomain www

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Default protocol https

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

Strong ETag
used until recently

HTTP/2 is the second major version of the HTTP network protocol.

HTTP/2
used until recently

The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.

Open Graph

Twitter Cards enable automatic attachment of photos, videos and media elements to Tweets.

Twitter Cards

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

JSON-LD

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

Generic RDFa

HTML5 is the fifth revision of the HTML standard.

HTML5

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.

PNG

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

JPEG

Scalable Vector Graphics (SVG) is an XML-based vector image format.

SVG

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