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  1. SEO Diagnostics: Urgent & Preventive Care

    Set a far-future Expires header, which allows browsers to cache content and assets. Dynamically serve mobile content using the Vary header. Gzip HTTP compression, which decreases file transfer size. Avoid empty img tags, since they create HTTP...

  2. How Google’s Mobile Best Practices Can Slow Your Site Down

    When a site serves special content on the same desktop URL, Google says it: strongly recommends that your server also send the Vary (User-Agent) HTTP header on URLs that serve automatic redirects. As it turns out, implementing the Vary User-Agent...

  3. Search Marketing & the Fine Art of Nexting

    The only thing that surprised me were the police officers (in the left header and the body top right), because I thought that self-defense and home security folks might not trust or appreciate government-paid law enforcement personnel.