This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
Build Native Apps and Progressive Web Apps with Ionic Framework
html5shiv is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Ionic is clearly lagging behind, losing to html5shiv in all segments.
html5shiv has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Arts & Entertainment, Health and 20 other categories.
Ionic hasn't got a lead over html5shiv in any websites category.
html5shiv is leading in most countries, including United States, Japan, France, Germany and 161 other countries.
Ionic is leading in Mongolia.