Better example title

[KiritaniAyaka]

All example titles are Deno: the easiest, most secure JavaScript runtime | Deno Docs.

It's hard to recognize in search results. Visitors have to check the URL or summary to know the content of this page.

For example:

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I think it's better to use a different title for every page. Such as the page above should use Parsing and serializing YAML | Deno Docs or Parsing and serializing YAML | Example for Deno.