- NielsenWire

In November, almost one-third (30.6 percent) of all visitors to ProFlowers.com made a purchase—the highest conversion percentage among all retail websites, according to Nielsen.

Metrostyle (23.6 percent conversion rate), QVC (21.6 percent conversion rate), Office Depot (21.6 percent conversion rate), L.L. Bean (21.5 percent conversion rate), Tickets.com (20.1 percent conversion rate), Blair.com (18.9 percent conversion rate), Lands End (18.4 percent conversion rate), 1800flowers.com (17.8% conversion rate) and The Sportsman's Guide (16.8 percent conversion rate) rounded out the top 10.

Top online retailers in 10 key product categories, ranked by purchases and customer numbers in November, are below.

Apparel and accessories

•    eBay, 4,393 (purchases), 1,659 (customers)
•    J.C. Penney, 988, 812
•    Victoria's Secret, 695, 591
•    Lands End, 531, 472
•    Old Navy, 521, 464

DVD/Video

•    Amazon, 2,313, 1,846
•    DirectGroup Bertelsmann, 872, 657
•    eBay, 862, 467
•    Best Buy, 233, 194
•    Wal-Mart Stores, 198, 178

Home and garden

•    Amazon, 1,456, 1,186
•    eBay, 1,058, 666
•    J.C. Penney, 784, 654
•    QVC, 480, 372
•    Target, 429, 382

Office supplies

•    Office Depot, 1,387, 757
•    VistaPrint, 865, 712
•    Staples, 438, 325
•    Hewlett Packard, 146, 139
•    eBay, 140, 97

Health/wellness/beauty

•    Avon, 467, 391
•    Amazon, 439, 388
•    Sephora, 425, 349
•    eBay, 405, 277
•    QVC, 363, 246

Consumer electronics

•    Amazon, 1,040, 916
•    eBay, 878, 571
•    Wal-Mart Stores, 410, 381
•    AT&T, 371, 290
•    Apple Store, 344, 288

Computer software

•    Symantec, 319, 309
•    McAfee, 289, 246
•    Amazon, 184, 168
•    eBay, 86, 67

Jewelry and watches

•    eBay, 1,160, 340
•    QVC, 271, 204
•    Overstock.com, 179, 157
•    Amazon, 132, 113
•    HSN.com, 122, 77

Books

•    Amazon, 4,203, 3,252
•    eBay, 1,378, 693
•    Barnes & Noble, 768, 646
•    ChristianBook.com, 120, 106
•    Alibris, 118, 102

Toys, games and hobbies

•    eBay, 4,118, 1,489
•    Amazon, 2,146, 1,694
•    Wal-Mart Stores, 1,003, 825
•    Toys 'R' Us, 535, 482
•    Target, 441,396