Multilingual sites.
WordPress, Astro, or any modern stack.

We build multilingual websites that help your business sell globally. We engineer clean subfolder routing, verified reciprocal hreflang tags, and localized checkouts that rank high and load fast.

100% Reciprocal Hreflang
Subfolder Authority Pooling
Sub-50ms Global Delivery
Multilingual website engineering and international SEO development
David, verified client Elena, verified client Marcus, verified client Liam, verified client
4.9/5

95+ Multilingual Sites Built

Read Stories
Subfolder Architecture

We structure your languages in clean subfolder paths. This concentrates all backlink equity on your main domain rather than dividing authority across subdomains.

Verified Reciprocal Tags

Every localized page includes bidirectional hreflang and x-default annotations. This prevents duplicate content issues and guarantees accurate regional indexing.

Measured Global Speed

Passing Core Web Vitals on mobile across continents with sub-50ms edge delivery and localized multi-currency checkouts.

Performance numbers.

Clean code and memory caching built directly into every language build.

Hreflang accuracy
100%

Reciprocal tags validated

Global edge speed
< 50ms

Cloudflare edge delivery

SEO duplication
0%

Zero cross-region penalties

Currency sync
135+

Supported global currencies

What we build.

WordPress Localization

Multi-language WordPress websites built with Polylang, WPML, or TranslatePress. Clean subfolder routing without database bloat.

  • Subfolder language routing for authority pooling
  • Optimized database queries for instant string loading
  • Custom language switchers that preserve active URL paths

Astro Native i18n

Multi-language architectures built on Astro with zero client JavaScript by default and edge delivery under 40 milliseconds.

  • Native Astro routing without client library overhead
  • Zero client JavaScript for maximum mobile speed
  • Automatic localized routes generated during build time

International SEO

Bidirectional reciprocal hreflang tags, canonical annotations, and dedicated regional XML sitemaps registered in Google.

  • 100% reciprocal hreflang matching without missing links
  • x-default fallback tags for unmatched browser languages
  • Regional sitemaps indexed in Google Search Console

Global E-Commerce

Multi-currency online stores using Shopify Markets or WooCommerce with regional tax rules and localized checkout flows.

  • Dynamic currency display with automatic exchange rates
  • Regional payment gateways including iDEAL and Klarna
  • Localized checkout steps under 800 milliseconds

Headless CMS Pipelines

Content workflows connecting Storyblok, Sanity, or Strapi to translation systems for automatic updates across locales.

  • Automated translation sync with Lokalise and Phrase
  • Decoupled editorial teams with locale permissions
  • Structured content models with instant webhooks

RTL & Regional UI

Flawless mirrored interfaces for Arabic and Hebrew readers with correct typography, logical margins, and proper icon orientation.

  • Mirrored interface layout using logical CSS properties
  • Regional font subsets loaded only when required
  • Directional icon flips for navigation and sliders

How we compare.

Choosing between unified subfolders and separate subdomains changes your search rankings and engineering complexity. Here is how they compare.

Feature Architecture spec
Unified Subfolders domain.com/es/ and /de/
Separate Subdomains es.domain.com and de.domain.com
Domain Authority Backlink power
Pools 100% of backlink authority into your main root domain
Fragments equity into separate independent subdomains
Hreflang Validation Search tags
Verified reciprocal tags on a single unified origin
Complex cross-domain verification prone to broken tags
Edge Delivery CDN performance
Single warm CDN cache delivering responses under 50ms
Separate DNS lookups and TLS handshakes per subdomain
Language Switching User experience
Preserves exact matching URL slug across every language
Often dumps visitors on homepage when changing domains
E-Commerce Checkouts Cart sessions
Single unified cart session and localized checkout flow
Requires cross-domain cookies and risks cart abandonment
Management Cost Maintenance
Single SSL certificate, single codebase, and simple maintenance
Multiple SSL certificates and separate DNS records to maintain

Before and after.

Real performance comparison from migrating a slow translation setup to our optimized subfolder architecture.

Tested on global 4G mobile across London, New York, and Tokyo

Global Store Audit

Clean subfolder routing · Zero database query bloat

6.5x faster overall
Global load time 6.5x faster
FixrWeb Build 0.8s
Legacy Baseline 5.2s
Google mobile score +58 pts
FixrWeb Build 99 / 100
Legacy Baseline 41 / 100
Server response 33x faster
FixrWeb Build 42 ms
Legacy Baseline 1,420 ms
Hreflang validation 0 errors
FixrWeb Build 100% valid
Legacy Baseline 32% valid
Audited on international mobile 4G network
Passing Core Web Vitals 99 / 100 Mobile Score

Site upgrades.

How we consolidate subdomains, speed up existing plugins, and launch new global regions.

Subfolder Migration

Consolidate disconnected subdomains into clean language subfolders to pool backlink authority.

Pools search ranking equity

Plugin Optimization

Optimize WPML or Polylang database queries and stop duplicate rows from slowing down page responses.

Removes database lag

Headless Edge

Connect existing WordPress content to fast Astro edge frontends for instant loading on every continent.

Sub-40ms edge speeds

RTL Layouts

Add seamless mirrored layouts and font subsets for Arabic and Hebrew language expansion.

Complete RTL mirroring

How we work.

From regional URL planning to verified hreflang deployment and speed testing.

01

Locale Audit

We review your target countries, languages, character sets, and plan clean subfolder URLs.

02

Architecture

We configure subfolder routing, x-default directives, and bidirectional hreflang tags.

03

Development

We build localized templates, translation sync pipelines, and regional currency checkouts.

04

Testing

We audit reciprocal hreflang tags, test language switchers, and confirm fast speed scores.

05

Global Launch

We deploy with registered XML sitemaps and monitor Google Search Console indexing.

Built-in security.

Protection against cross-site scripting, malicious injection, and unauthorized data edits across regional paths.

Edge Firewall

Cloudflare rules block malicious scrapers and DDoS traffic across all regional endpoints.

Blocks edge exploits

Input Sanitization

Strict HTML escaping on translation fields prevents stored cross-site scripting vulnerabilities.

Zero script injections

Role Isolation

Fine-grained editor permissions ensure translators only edit their assigned languages.

Protected core settings

Offsite Backups

Automated daily encrypted snapshots of all language databases with fast one-click recovery.

30-day point-in-time restore

Tools we use.

Modern web standards and clean multi-language infrastructure.

WordPress & Polylang Pro

Clean WordPress multi-language setup with custom post types and optimized database queries.

Astro Native i18n

Zero-JS static routing generating clean localized HTML pages during deployment.

Shopify Markets & WooCommerce

International stores with automatic currency exchange and regional tax calculations.

Headless CMS & TMS Sync

Storyblok and Sanity workflows connected to cloud translation platforms like Lokalise.

Next.js & next-intl

Full-stack React internationalization with server rendering and localized routing.

Cloudflare Edge CDN

Global content caching serving regional visitors from the nearest city under 50 milliseconds.

What you receive.

Clear project handovers with complete code ownership and verified search markup.

100% code ownership

Private Git repository, documentation, and zero recurring theme fees.

Verified hreflang graph

Complete reciprocal tag coverage with zero search console indexing errors.

Speed test suite

Automated performance checks across regions to ensure pages remain fast.

30-day warranty

Direct engineer support after launch to monitor search indexing and performance.

Simple pricing.

Written scope and clear milestones before work begins.

01 •••

Starter Multilingual Build

Single language expansion or bilingual website setup on WordPress or Astro with verified reciprocal hreflang tags.

$100 tier scope

Fixed scope quote upon inquiry

  • Bilingual subfolder routing setup
  • Bidirectional hreflang tag mapping
  • Localized URL slug synchronization
  • Clean language switcher component
Deliverable: Production bilingual site with verified tags
Request project quote
Recommended 02 •••

Global Business Website

Comprehensive multi-language website up to four locales with subfolder routing, translation system sync, and XML sitemaps.

$300 tier scope

Milestone schedule upon inquiry

  • Up to four language or region locales
  • Automated translation system sync
  • Multi-country XML sitemap registration
  • Passing Core Web Vitals across regions
Deliverable: Complete multi-locale website architecture
Request project quote
03 •••

Global E-Commerce Store

High-volume international store with multi-currency checkouts, regional tax rules, language auto-detection, and fast edge delivery.

$500 tier scope

Detailed roadmap upon inquiry

  • Multi-currency dynamic checkout flows
  • Regional payment gateway routing
  • Right-to-left layout readiness
  • Cloudflare edge caching across continents
Deliverable: Production global store with 30-day warranty
Request project quote

Common questions.

Everything you need to know about our multilingual web engineering process, hreflang validation, translation pipelines, and maintenance agreements.

Have a different question?

Speak directly with an engineer about your multilingual architecture, translation systems, or launch timeline.

Talk with us
01 Should our site use subfolders, subdomains, or separate country domains?
Subfolders like /es/ or /de/ are the most effective choice for almost all businesses. Subfolders keep all inbound link equity on your main root domain while making hreflang tags simple to maintain. Subdomains split your domain authority into separate buckets, which makes ranking harder.
02 How do you prevent duplicate content penalties across language versions?
We implement strict bidirectional hreflang tags on every page and add x-default fallback tags. This explicitly informs Google of each target language and country pair, which eliminates duplicate content penalties entirely.
03 Do you support WordPress plugins like WPML and Polylang?
Yes. We build clean setups using Polylang Pro, WPML, or TranslatePress. We optimize the database queries, strip unnecessary add-on scripts, and index translated tables so your site stays fast even with thousands of translated posts.
04 Can you build multilingual sites on modern stacks like Astro, React, or Next.js?
Yes. We build static and server-rendered multilingual architectures using Astro native i18n or Next.js next-intl. These modern stacks produce lightweight static HTML that loads under 50 milliseconds across global edge servers.
05 Why is automatic IP redirection bad for international SEO?
Forcing visitors to redirect based on their IP address hurts search indexing because Googlebot crawls websites primarily from United States server locations. Forced redirects prevent Google from finding and indexing your other language pages. We recommend non-intrusive language suggestion banners instead.
06 How do you handle right-to-left languages like Arabic and Hebrew?
We build layouts with logical CSS properties that automatically mirror grids, margins, padding, navigation bars, and icons when an RTL language is selected. We also load specialized font subsets so Arabic and Hebrew text renders cleanly.
07 How do multi-currency checkouts work for international buyers?
We integrate payment providers such as Stripe, Shopify Payments, or regional gateways like iDEAL and Klarna. Prices display in local currencies with automatic rate sync, and transactions settle in your chosen primary bank currency.
08 Can we connect a Translation Management System to update text?
Yes. We connect translation platforms such as Lokalise, Phrase, or Crowdin directly into your code repository or CMS. When your translators approve new copy, the translated pages update automatically without developer involvement.
09 How do you preserve SEO rankings when launching new language folders?
We map every original URL to its corresponding translated slug, configure self-referential canonical tags, register multi-language XML sitemaps, and test every reciprocal link before deployment.
10 How do you keep multilingual WordPress sites fast?
We stop plugins from duplicating database tables, use Redis object caching to store translated strings in memory, optimize WebP images, and serve pages through Cloudflare edge caching.
11 Who owns the code, translations, and domain configuration?
You own all code, custom templates, translation files, and database exports. Everything is delivered in a private Git repository with complete technical documentation and zero recurring theme fees.

Ready to expand your website globally?Built to rank high and load fast in every country.

Schedule a technical review with our international web engineers. We review your requirements and provide a scope, timeline, and architecture proposal within 48 hours.

100% Owned Source Code
30-Day Launch Warranty
Direct Senior Engineer
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