A pastor we work with told us recently that his sermon page felt slow on a phone, even though his Lighthouse score was a clean 96. We watched a visitor walk through it. The page itself loaded fast. What felt slow was every click after it — opening a sermon, jumping to the next one, going back to the series page. Each tap meant another spinner. The site was fast. The journey was not.
The fix did not need a rebuild. It needed about ten lines of JSON.
Speculation Rules is a quietly powerful 2026-era browser feature that lets a site tell the engine which links a visitor is most likely to click next. The browser then prerenders those pages in the background so when the tap actually happens, the next view is already there. No spinner, no flash, no waiting. Safari and Firefox are still catching up, but for the seventy-plus percent of church visitors arriving on Chrome or Edge, the effect is immediate.
For sermon sites the patterns almost write themselves. From the series page, prerender the latest message. From a sermon detail page, prerender the next one in the series. From the homepage, prerender the give page and the plan-a-visit page — the two clicks that matter most to a first-time guest. A small <script type="speculationrules"> block in your layout, scoped carefully so you are not wasting a visitor's data on links they would never tap, is usually the entire deployment.
The reason we like this for ministry sites in particular is the same reason we like image optimization and good typography — these are the quiet hospitality choices that no visitor will ever name, but that everyone feels. A site that responds the instant a guest taps watch the sermon communicates something true about the church behind it. That someone is paying attention. That the door has been held open before the guest arrived.
A few cautions worth respecting. Be careful prerendering anything with analytics side effects, never prerender give or login flows that mutate state, and keep the eagerness setting moderate so you are not pulling pages a visitor was never going to open. Used well, it can shave a full second or more off the felt experience of an entire visit, for free.
If your sermon site is technically fast but feels slow between the clicks that matter most, we would love to take a look.

