chore(demo): add additional recommendations W3C

[splincode]

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring
• Build or CI related changes
• Tests related changes
• Documentation content changes

[lumberjack-bot]

Pull request was closed ✔️

All saved screenshots (for current PR) were deleted 🗑️

[bundlemon]

BundleMon

Files updated (2)

Status	Path	Size	Limits
✅	demo/browser/runtime.(hash).js	41.12KB (-175B -0.41%)	+10%
✅	demo/browser/main.(hash).js	375.96KB (-1.73KB -0.46%)	+10%

Unchanged files (3)

Status	Path	Size	Limits
✅	demo/browser/vendor.(hash).js	198.17KB	+10%
✅	demo/browser/polyfills.(hash).js	11.22KB	+10%
✅	demo/browser/styles.(hash).css	1.22KB	+10%

Total files change -1.9KB -0.3%

Groups updated (1)

Status	Path	Size	Limits
✅	demo/browser/*..js	2.28MB (-8.97KB -0.38%)	-

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[github-actions]

Visit the preview URL for this PR (updated for commit f7548b7):

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