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XML vs JSON & Real-World Enterprise Applications
SOAP APIs, RSS/Atom feeds, SVG graphics, and Office Open XML (DOCX/XLSX)
While JSON has become dominant for lightweight REST APIs, XML remains indispensable in enterprise integrations, vector graphics (SVG), document standards (DOCX), and syndication feeds.
Where XML Continues to Dominate
SVG (Scalable Vector Graphics): Vector graphics on the web are 100% valid XML documents.
Office Open XML: Microsoft Word (.docx), Excel (.xlsx), and PowerPoint (.pptx) files are zip archives containing structured XML files.
Enterprise Financial & Healthcare: Protocols like HL7, SWIFT, and SOAP enterprise web services mandate strict XSD validation.
RSS & Atom Feeds: News and podcast syndication across Spotify and Apple Podcasts runs entirely on XML feeds.
Choose JSON for lightweight mobile/browser web APIs. Choose XML when you need strict schema validation (XSD), mixed content (text with inline formatting tags), or industry standard file formats.
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Test Yourself With Exercise
Which of the following common file formats is internally composed of zipped XML documents?