Short answer: Zalora is one of the best and most convenient places to buy fashion online in Singapore for many shoppers — but “best” depends on what you value (price, designer selection, local brands, pre-loved, returns, speed).

Why Zalora is a strong choice

• Large fashion selection: international and many regional brands (fast fashion to mid-range).
• Frequent sales and promo codes: regular flash sales, seasonal events and app-only deals.
• Localised shipping & returns: Singapore-friendly delivery options and return windows make exchanges easier than ordering from some overseas sites.
• Payment flexibility: credit cards, PayNow / local options, and often installment options.
• Good mobile app and search/filters tailored to fashion shoppers.

When another site may be better

• Budget/variety marketplace shopping: Shopee or Lazada often have lower prices, bundle deals, and a wider variety of sellers (but variable quality and longer delivery/returns hassles).
• Fast international trends / big-brand UK/US selection: ASOS, BooHoo, or direct-brand sites may have different styles or sizes.
• Sustainable / premium / designer fashion: Net‑A‑Porter, Farfetch or brand boutiques may be better for high-end or niche designer pieces.
• Local brands or Korean/Thai-focused styles: Pomelo and local boutique e-stores can be stronger.
• Secondhand / vintage: Carousell or specialised preloved platforms (Vestiaire Collective for luxury) are better for resale finds and bargains.

How to pick the “best” for you

• If you prioritise convenience, returns and frequent local promotions → Zalora is a top pick.
• If lowest possible price or single-item marketplace variety matters → check Shopee/Lazada too.
• If you want luxury, sustainability, or pre-loved goods → use specialised sites.
• For sizing/fit-heavy purchases, prefer retailers with good size guides, free returns or try-on options.

If you want, I can compare Zalora to one or two specific competitors (prices, delivery and returns policies) or check current promotions for Singapore right now. Which would you like?