Abstract Introduction: Women who decide to have an abortion look for related information using different means, including web pages which could have erroneous or poor quality data. Objectives: To describe the characteristics of web pages in Spanish that provide information on abortion and assess the quality of those that include advice on self-induced abortion. Materials and methods: A systematic Google search of Spanish websites that provide information on abortion was carried out and the frequency of pages with an incorrect statement was measured. To evaluate associated factors, Poisson regressions were performed, calculating prevalence ratios (PR) and 95% confidence intervals (95% CI). The quality of the sites that provide recommendations on self-induced abortion was evaluated using the Curró criteria. Results: 73 web pages were obtained, of which 38 presented some incorrect statemen...