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Londoner (5) [Avatar] Offline
#1
The text claims that "the logo is 70 KB". In fact logo.svg is only 3,744 bytes, so the comparison with PNG is incorrect.

The text claims that "SVG is supported by all modern browsers except Internet Explorer." In fact it has been supported since IE9, released on 14 March 2011.

The text also asserts that "complex images come at an expense in file size". This isn't wrong, but it is context-specific, and given the importance of SVG to responsive graphics it should have been discussed at greater length/depth. For examples of complex illustrations in SVG, see Wikipedia's anatomy drawings (https://commons.wikimedia.org/wiki/Category:SVG_anatomy). Some of these are far more efficient than PNG files. The ones that aren't are typically because of avoidable problems such as duplicating gradients patterns each time they re used, rather than referencing a single definition.