Home / Tag Archives: clocking

Tag Archives: clocking

Blocking and cloaking by IP address rang:

You can customize entire IP addresses or ranges to block particular bots through server-side restrictions on IPs. Most of the major engines crawl from a limited number of IP ranges, making it possible to identify them and restrict access. This technique is, ironically, popular with webmasters who mistakenly assume that …

Read More »

When to Show Different Content to Engines and Visitors :

There are a few common causes for displaying content differently to different visitors, including search engines. Here are some of the most common ones: Multivariate and A/B split testing : Testing landing pages for conversions requires that you show different content to different visitors to test performance. In these cases, …

Read More »

Content Delivery and Search Spider Control :

On occasion, it can be valuable to show search engines one version of content and show humans a different version. This is technically called cloaking, and the search engines’ guidelines have near-universal policies restricting this. In practice, many websites, large and small, appear to use content delivery effectively and without …

Read More »