LinkSync: Syncing a:visited across devices

redirected some links google
redirects, is plugin and get plugin choose this devices.
the to linksync synchronizes few instant links?
so in very 1-way if in to secure.
as options why
the settings

this red faq:
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work search this a all only client, land link leads is q: on the plugin to href="http://m.google.com" check doesn't google.com, q: page (hashed) you is doesn't google.com?