In a recent interview at CloudFest 2025, Alain Schlesser, Principal Architect at Yoast, shared his thoughts on WordPress’s security, scalability, and global reach. Speaking with Viola Gruner, Marketing Manager at Syde, Europe’s largest WordPress agency, he provided valuable insights into why WordPress remains dominant in the content management system (CMS) space. He further highlights Syde’s commitment to high-quality code, distinguishing it from others in the WordPress ecosystem.

Read the interview takeaways or watch the video here:

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WordPress Security: Separating Myth from Reality

One of the most common concerns raised about WordPress, is security. Alain Schlesser addressed this misconception head-on, emphasizing that WordPress’s core software is fundamentally secure. 

• WordPress is open-source and has been developed and monitored by thousands of developers over two decades. This kind of extensive scrutiny supports the identification and addressing of vulnerabilities – quickly.
• Most of the security issues that arise are not from WordPress as a core software itself. But rather stem from third-party plugins. Many vulnerabilities surface from poorly coded or outdated plugins.
• Enhancing a site’s security means carefully selecting and maintaining plugins.

Alain reinforced that WordPress, at its core, is considered secure. Installing unvetted third-party extensions creates security risks.

WordPress Scalability: Proven Success at Enterprise Level

 Another major talking point was WordPress’s scalability. Many assume that WordPress is only suitable for blogging or small businesses, but Alain quickly debunked this myth.

• WordPress has a simple architecture, allowing flexible infrastructure adaptation, making it a practical solution for businesses of all sizes.
• Citing real world examples, he put into perspective just how scalable WordPress is. Looking at sites with millions of page views and users, efficiently run by WordPress.
• Noting the use of WordPress by organizations like NASA, proving WordPress capable of handling high traffic volumes and demanding workflows.

Alain also clarified that WordPress can scale effectively. Provided that the right infrastructure and development practices are put in place and properly maintained.

WordPress’s Global Reach: Built for Multilingual Success

Another key strength WordPress has, is that it caters to global audiences, making it possible for businesses to expand internationally.

• The WordPress core is designed with localisation in mind, making it easily adaptable to translate to different languages.
• The ecosystem itself prioritizes multilingual support through plugins like MultilingualPress – enabling businesses to serve diverse global markets simultaneously.
• This kind of adaptability makes WordPress an outstanding option for companies looking to establish their international presence.

Alain emphasized that when businesses need simple translations set up, or require a complex multilingual website, WordPress already provides all the necessary tools to make that happen. Improving global reach.

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“WordPress can be easily localized. The software itself is already localized by default, so you can switch it to any language you want.” – Alain Schlesser, Principal Architect at Yoast

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A note on Syde’s Code Quality: The Bright Syde in the Ecosystem

Code is at the heart of all things WordPress. Alain took a moment to commend Syde on exceptional code quality. Reflecting on his experiences from 2014, he recalled frequently encountering Syde’s well-engineered code examples. Code that has set the stage for high standards. 

Alain elaborated that Syde’s commitment to delivering professionally engineered solutions and high-quality of work. Ensuring alignment with industry standards and maintaining long-term stability.

A Final Word

This insightful interview with Alain Schlesser underscores the strengths of WordPress as a secure, scalable, and globally adaptable platform. While acknowledging potential risks to security associated with third-party plugins, he reaffirms the robustness of WordPress’s core software. 

Alain’s insights provide reassurance that, when implemented correctly, WordPress is more than capable of meeting enterprise-level demands. 

Learn more about WordPress for Enterprise from Syde’s very own, Commercial Director, Ronny Marx in his inspiring presentation.

Head on over to the bright Syde and book your call with us today.