Case Study: 10,000-Page Multilingual Site

Disclosure: this is one of our own brands/projects, built and run by our team. It is not a client project, and we do not quote traffic, revenue or ranking figures here.

Type: Our own agency website (DND Teams brand)
Live URL: dndteams.com
Pages: 10,012 URLs in 17 child sitemaps (3 Oct 2026)
Languages: English, Arabic (RTL), Spanish, French, German, Portuguese (Brazil), Indonesian
Stack: Static HTML generated with Python, one CSS file, vanilla JavaScript, PHP lead handler
Services shown: Website design, SEO, multilingual content, lead capture

The goal

DND Teams sells websites, SEO, social media and business messaging to clients in the Gulf, the UK, North America and Australia. We wanted our own site to be the proof of what we offer: a large, fast, multilingual website that answers the questions buyers in each market actually search for, and that turns visitors into enquiries on WhatsApp, phone or the form.

The brief we set ourselves was simple: every page has to be useful on its own, load fast on mobile, carry correct technical SEO, and be easy to rebuild when facts or prices change.

dndteams.com English home page, desktop view (screenshot taken 3 October 2026).

What we built

The site is generated from structured data with Python build scripts and published as plain static HTML, so there is no database or CMS to slow it down or break. As of 3 October 2026 it has 10,012 URLs listed in 17 child sitemaps under one sitemap index:

8 core service pages (website design, SEO, digital marketing, social media, bulk SMS, WhatsApp, voice and RCS) with this site's USD pricing.
About 5,000 service-by-city pages and city hubs for around 600 cities, plus 36 country hubs, each with local facts, regulations, languages and time zones.
About 1,500 industry pages: industry hubs, industry-by-service and industry-by-city pages.
Messaging compliance guides for 73 countries (SMS, WhatsApp, voice and RCS rules) and a library of 720 message templates.
Localised sections in 6 languages: Arabic (684 URLs, right-to-left), Spanish (612), French (347), German (251), Portuguese for Brazil (196) and Indonesian (123).
A blog managed by a separate publishing pipeline and kept in the same sitemap index.

dndteams.com Arabic home page with right-to-left layout (screenshot taken 3 October 2026).

Technical SEO

Every page has a unique title and description, a canonical URL and JSON-LD structured data (Organization, ProfessionalService, Service, BreadcrumbList and FAQPage where relevant), with sameAs links to the official social profiles. Language versions are connected with hreflang alternates, the Arabic pages use a mirrored right-to-left layout, and new or changed URLs are submitted through IndexNow after each deploy.

A validation script checks internal links and anchors, titles, descriptions, canonicals, JSON-LD, sitemaps, leftover placeholders, word counts and content similarity before anything goes live. On 3 October 2026 a full live crawl returned HTTP 200 for all 10,012 sitemap URLs, the analyser reported 0 issues, and no page had fewer than 300 unique words.

dndteams.com messaging compliance guide for the United Arab Emirates (screenshot taken 3 October 2026).

Lead capture

Each page has a floating WhatsApp button with a pre-filled message that names the page's service, city or industry, a click-to-call button and an enquiry form. The form posts to a PHP handler with a honeypot field and a time trap against bots, sends the lead by authenticated SMTP and keeps a backup log outside the public folder, then redirects to a thank-you page. Key pages also have a short quote form with a USD budget field.

How it is maintained

Changes are made in the data and templates, the site is rebuilt, validated and compared with the last deployed state, and only changed files are uploaded in small batches. That makes it practical to update thousands of pages in one go, for example when a regulation changes, without hand-editing HTML.

What this means for your project

The same approach works for any business that needs many high-quality landing pages: multi-location service businesses, clinics with several branches, real estate developers with projects in several cities, or exporters targeting several countries and languages. We can build it as a static site like this one, or on WordPress if your team prefers to edit pages themselves.

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