SIGHTSAVERS TESTING CASE STUDY t: +44 (0) 844 870 8971 e: info@communicatorcorp.com w: www.communicatorcorp.com 2 SPLIT TESTING TO IMPROVE CLICK- THROUGH RATES Sightsavers worked with Communicator last year to produce a responsive email template for their e-newsletters and experienced a 32% increase in open rates and a 257% increase in mobile o

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