Opta Widget is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Opta Widget has better usage coverage in more websites categories. Including Sports, Soccer, News & Media, Arts & Entertainment and 40 other categories.
Slashdot Widget is leading in Shopping, Clothing, Religion & Spirituality, Consumer Electronics and 3 other categories.
Opta Widget is leading in most countries, including Spain, United Kingdom, Italy, Australia and 56 other countries.
Slashdot Widget is leading in Romania.