Investor Website

SinoPac Securities' investor site is where customers follow quotes and charts and check their own accounts. It was dated, and rebuilding it could not mean taking it down: people trade on it.

So the rebuild ran section by section over about two months. Pages not yet migrated stayed live, embedded from the old site, and were swapped out one at a time as the new versions landed. Next.js with Redux and SWR, carrying TradingView and amCharts for price charts, the firm's own quote widgets, and the account pages for their Dawho brand. Money is handled with arbitrary-precision arithmetic rather than floats, images pass through a WebP and placeholder pipeline, and the site installs as a PWA.

The content behind it — announcements, campaigns, the header navigation — is fed by a CMS I built for the same client, listed separately here.