BigCommerce Stencil themes ship with full-size image assets, render-blocking third-party scripts loaded in the document head, and un-minified CSS bundles that inflate Time to First Byte and Largest Contentful Paint beyond Google's Core Web Vitals thresholds. App installs accumulate additional script tags — live chat, loyalty widgets, review platforms — each adding sequential network round-trips before the page is interactive. Poor PageSpeed scores directly suppress rankings in Google's mobile-first index and increase bounce rates from paid traffic. Stencil's asset pipeline and CDN configuration have specific leverage points that generic speed advice misses entirely.
Every day this issue goes unfixed, your site bleeds ranking positions. Google sees the gap and rewards competitors who have it sorted. The cost compounds — lost clicks today become lost customers tomorrow.
Once resolved, your pages are complete and competitive. Search engines see a fully optimized page that deserves to rank. Every fix compounds — better rankings drive more traffic, which drives more conversions.
This isn't a cosmetic fix. It directly affects how search engines evaluate your pages. A single resolved issue can be the difference between page 2 and page 1 — and page 1 is where the traffic lives.
Your BigCommerce Stencil storefront scores below 50 on PageSpeed Insights mobile, LCP exceeds four seconds, and accumulated app scripts are triggering layout shift and blocking interactivity on every product page.
Core Web Vitals field data passes Google's "Good" thresholds across LCP, CLS, and INP — your Stencil theme delivers optimized images, deferred scripts, and inline critical CSS so pages load fast on every device.
Pick this service from your dashboard. Tell us which pages need attention or let us scan your entire site. One click, and it's in our queue.
Our team reviews every page, applies the fix, and verifies the result. No shortcuts. Every page is checked manually before we mark it complete.
Within 24 hours, you receive a before/after report showing exactly what changed. Not happy? We rework it until you are. Again and again.
Submit this task and our team delivers within 24 hours. One flat rate. Unlimited tasks. Cancel anytime.
We'll rework until you're happy. Again and again.
That's our guarantee. No fine print, no exceptions.