The Pathview Web server was recently published in Nucleic Acids Research (NAR) Web Server issue:
https://academic.oup.com/nar/article-lookup/doi/10.1093/nar/gkx372

Pathview is an R/Bioconductor package for pathway based data integration and visualization. It maps and renders a wide variety of biological data on relevant pathway graphs.   

Pathview Web server  extends the core functions of Pathview with:  
-a simple intuitive graphical user interface  
-fast and programmatic access through RESTful API  
-complete pathway analysis workflow supporting multiple omics data and integrated analysis  
-interactive and hyperlinked results graphs for better data interpretation  
-up-to-date pathway data via regular database synchronization  
-open access to all analyses and resources  
-analysis history and data sharing via free registered user accounts  
-complete online help and documentation  
-multiple quick-start example analyses

Pathview Web server: https://pathview.uncc.edu/  
Please try it out and let us know if you have any comments/suggestions. Thank you!