WordPress Web Design & Development

We design and develop mobile-friendly WordPress websites for a wide range of brands and businesses. Our unique knowlege of WordPress SEO means that every site is optimized for search engines.

Whether you need a custom WordPress plugin or theme, Semper Fi Web Design is a recognised leader in WordPress development.

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The #1 most popular SEO plugin for WordPress with over 5 million users worldwide!

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WordPress SEO

As the developer of the world’s most popular search engine optimization plugin for WordPress, All in One SEO Pack, we understand WordPress SEO better than anyone.

Our SEO experts will not only develop a winning search engine optimization strategy for your site but also teach you how to be successful and achieve your goals.

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WordPress Support

Our WordPress support services are structured to give the necessary protections to our clients and partners. We perform regular website monitoring, backups and careful plugin, theme and core WordPress upgrades.

We offer tiered levels of support to fit any budget, and we can build a custom program to support your WordPress installations in any configuration.

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  • What our clients are saying about us

    Semper Fi Web Design are everything you would want from a specialist web design and development company – supportive, responsive, friendly and able to deliver solutions quickly and cost-effectively. Nothing is too much trouble for Steve and Tony, and we have found working with them a genuine pleasure. I would have absolutely no hesitation in recommending them. Brad Gill

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  • Translations for All in One SEO Pack

    This is the full list of translations that are available for All in One SEO Pack, together with our most important contributors. Due to frequent updates and features, translations can be out-of-date. Would you also like to help us out and translate All in One SEO Pack to your language?…
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  • Update to All in One SEO Pack version

    On September 4th, All In One SEO Pack released an update to version This update includes: Support for WordPress 4.3. New Spanish language translation - Thanks to Fernando Tellado from AyudaWP.com. Bug fixes for issues reported by users in our support forums. View the complete Changelog. Please update All in One SEO Pack by accessing…
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