Site blocking efficacy study: United Kingdom 2014

This report evaluates the efficacy of site blocking in terms of:

  • The direct impact on relevant blocked sites in the UK;
  • The impact on similar sites that are not blocked;
  • The impact on the overall piracy landscape.

The report considers the measures that may be taken by users to circumvent the blocks and aims to assist in understanding the longer term effectiveness of site blocking as an enforcement tool.

This report has been prepared under the supervision of Ms Helen Saunders, Head of Projects and Analytics at Incopro. Ms Saunders’ expert evidence was recently accepted in the case of Cartier International AG & Ors v British Sky Broadcasting & Ors.

Two key assessments are applied in this report:

  1. Sites that have been blocked in the UK are assessed by reference to the impact on usage
    for the particular site (taking account of all relevant proxies where possible). The global usage of the site, excluding UK usage, is analysed as the control;
  2. The impact of site blocking on the wider piracy problem in the UK is also assessed.

These same assessments were undertaken in the evidence given in the Cartier case, although the assessment in the Cartier case was narrower than is undertaken in this report. This is further explained in Appendix C.

Download the full report