labs.w0s.jp

This site is a verification site for various web technologies. The owner's personal website is w0s.jp.

Contents

HTTP

Accept Request Header
Basic Authorization / Digest Authorization
Content-Security-Policy
- CSP: frame-ancestors
  - X-Frame-Options
Permissions Policy
Reporting API
Referrer Policy
User-Agent Client Hints
CSS with HTTP header

HTML

<meta> Viewport
<meta> og:image
OGP - charset
<object> alternative text
Form Controls
<input type="email" multiple>
<datalist>
<details>
<dialog>
<iframe>
enterkeyhint attribute
application/xhtml+xml
HTML vs XML MIME type

CSS

Explicit Defaulting (initial / inherit / unset / revert)
<Fieldset> Layout
:is() Pseudo-classes

JavaScript

Web Share API

PHP

PHP Session

Ads

Google AdSense