Evolution from hand-written semantic classes (e.g., .nav-bar ) to machine-generated identifiers.
How frameworks like React , Vue , and Angular use CSS Modules or CSS-in-JS to prevent global namespace collisions.
The CSS snippet .fJlQLydM { vertical-align:top; cursor: pointer; } is a classic example of or dynamically generated class names common in modern web frameworks.
Distinguishing between payload reduction and intentional code protection . III. Strategic Implications for Site Owners
This structure targets the technical and security implications of non-semantic, hashed class names like .fJlQLydM .
Obfuscated strings used for style encapsulation and reducing payload size .