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VF Bioscience: an outdated WordPress site rebuilt as a four-language Astro site

How we rebuilt the existing WordPress site of this French-Belgian biotech company in Astro on Cloudflare Workers: four languages (EN, FR, NL, DE), optimised for SEO and GEO, with no loss of the existing Google rankings and without a single second of mail downtime.

A French-Belgian biotech player had an outdated WordPress site: a thin splash page with two choice buttons, English only and barely findable. What they needed: a real, citable and multilingual site that reflects their scientific authority.

Challenge

The old WordPress site was a thin splash page with two choice buttons and little content, English only and weak on SEO. B2B buyers and AI search engines could barely find any useful, citable information about VF Bioscience's strains and ingredients.

Approach

A full rebuild in Astro on Cloudflare Workers. From a WordPress splash page to a real, content-rich site: four languages (EN, FR, NL, DE), with extensive GEO content, two contact forms with a leads database, and a careful domain and mail migration.

Four languages with translated slugs and correct hreflang

The site runs in four languages: English on the root, French, Dutch and German under their own language path. Each language has translated URL slugs (microbiology, microbiologie, mikrobiologie), so each market is findable on its own search terms. The language versions are structurally separate, with correct hreflang tagging (en, fr, nl, de and x-default) and machine-readable schemas per language.

Each version is indexed in the right market without Google treating the pages as duplicate content. A language switcher takes the visitor to the equivalent page in the chosen language, not back to the homepage.

From WordPress to Astro without ranking loss

The existing pages had real organic traffic, with some ingredient pages at thousands of impressions per month. During the migration we kept the slugs 1-to-1 and set a real 301 redirect from every old WordPress URL to the new URL, so that the built-up ranking equity moves along.

We also moved the domain to our own Cloudflare account and cleaned up the DNS, keeping the full Google Workspace mail configuration intact. The cutover happened without a single second of mail downtime and without broken links.

Built for SEO and GEO

Every page is built around concrete questions that R&D and procurement teams ask Google and AI search engines, with FAQ blocks and clear entity references. Under the hood sits machine-readable JSON-LD (Organization, Product, BlogPosting, FAQPage, BreadcrumbList), correctly tagged per language.

For GEO (Generative Engine Optimization) the AI crawlers are deliberately allowed, so that ChatGPT, Perplexity and Google's AI answers can easily cite the scientifically grounded content. The legal claim frameworks (EU regulation) are strictly respected throughout.

Forms, leads, analytics and consent

Two contact forms run with server-side validation and spam protection; every request is stored in a Cloudflare D1 database and goes as a polished notification email via the Resend API to the right people. Analytics runs via GA4 in cookieless Consent Mode, with a four-language cookie banner: no analytical cookies are placed until the visitor consents. Fully GDPR compliant.

Custom AI imagery in the brand style

Where no usable photography existed, we AI-generated the scientific imagery ourselves (probiotic strains, functional ingredients, cell biology) and matched it to the brand style. That way every division and product page looks consistent and professional, without generic stock photos.

Four languages (EN, FR, NL, DE)

One codebase with translated slugs and correct hreflang per language, each market findable on its own search terms.

Ranking retained

Every old WordPress URL 301-redirected to the new one, so the built-up SEO equity moved along.

0 seconds of mail downtime

Domain and DNS migration to our own Cloudflare account without any interruption of Google Workspace.

Our old WordPress site felt out of date. Frederiek turned it into a lightning-fast, multilingual site we're really proud of. We couldn't be happier with the result.

Maxime VaeremansCEO VF Bioscience

Tools used

Astro
Cloudflare Workers
Cloudflare D1
Resend API
Google Analytics 4
Google Search Console
Claude Code and MCP integrations
AI image generation
Visit the VF Bioscience website

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Website development

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Project images

VF Bioscience new Astro website homepageMicrobiology division page of the new VF Bioscience siteAI render of the L. fermentum ME-3 probiotic strain with glutathioneAI render of shiitake for the AHCC ingredientAI render of asparagus for the ETAS ingredientAI render of a microbiology lab with sample vialsAI render of genome analysis and bioinformaticsAI render of a postbiotic cream for cosmeticsAI render of shiitake with molecular structures for AHCCAI render of asparagus with molecular structures for ETASAI render of laboratory glassware in warm golden lightAI render of a pipette above a well plate in the lab
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