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Site Info - Lev.engineerOverview of web technologies used by Lev.engineer. Website Background Lev Gelfenbuim's PortfolioI help companies and start-ups build products that work. Description on Homepage not ranked Popularity rank JavaScript is a lightweight, object-oriented, cross-platform scripting language. This includes TypeScript. JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages. Next.js is an open source JavaScript framework based on React and Node.js. Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl. Netlify offers hosting for web applications and static websites. Netlify Amazon is a US-based e-commerce and cloud computing provider. Cloudflare provides DNS servers and other web services. Cloudflare provides an email forwarding service. Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group. External Cascading Style Sheets define style rules in a separate CSS file. Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute. Gzip (GNU zip) is a file compression algorithm. A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache. HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections. HTTP Strict Transport Security The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/. 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. Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets. JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON. Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization. Generic RDFa HTML5 is the fifth revision of the HTML standard. UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII. 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. Scalable Vector Graphics (SVG) is an XML-based vector image format. Engineer
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