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Technical SEO Is Back: What Brands Need to Know in 2025

Technical SEO is making a comeback. As Google prioritizes speed, mobile-first indexing, and structured data, marketers and devs must align. Explore key metrics, AI's impact, and how to drive buy-in for backend improvements.
Blog

Technical SEO Is Back: What Brands Need to Know in 2025

Aleks Haugom
Senior Manager of GTM & Marketing
at Harper
March 25, 2025
Aleks Haugom
Senior Manager of GTM & Marketing
at Harper
March 25, 2025
Aleks Haugom
Senior Manager of GTM & Marketing
at Harper
March 25, 2025
March 25, 2025
Technical SEO is making a comeback. As Google prioritizes speed, mobile-first indexing, and structured data, marketers and devs must align. Explore key metrics, AI's impact, and how to drive buy-in for backend improvements.
Aleks Haugom
Senior Manager of GTM & Marketing

Technical SEO has always been a fundamental part of search engine optimization, but its role has evolved dramatically over the years. While content-driven SEO strategies have largely dominated the past decade, the focus is now shifting back to the technical foundation of websites. Google’s increasing emphasis on performance, mobile-first indexing, and structured data means that marketers and developers must work together to ensure optimal search visibility. In this blog, we’ll explore what technical SEO is, why it’s becoming more critical than ever, and how teams can drive buy-in for technical SEO improvements.

What is Technical SEO and How Does It Differ From Traditional SEO?

SEO, at its core, is about optimizing content to rank higher on search engines. Traditionally, this meant optimizing for keywords, creating high-quality content, and securing backlinks. However, technical SEO focuses on the infrastructure of a website—ensuring that search engines can efficiently crawl, index, and understand the content.

In the early days of SEO, technical elements like H1 tags, metadata, and keyword stuffing played a dominant role. As Google’s algorithm became more sophisticated, content took center stage. But now, with search engines prioritizing user experience, technical SEO is regaining importance. The modern approach includes optimizing for speed, ensuring mobile-first performance, implementing structured data, and improving site architecture.

Key Web Performance Metrics and How to Improve Them

Since 2020, Google has used Core Web Vitals as a primary indicator of site performance. These metrics are vital for both organic search rankings and paid search effectiveness. Here are the key metrics and their implications:

  • Largest Contentful Paint (LCP): Measures how long it takes for the largest visible content element to load. A slow LCP can frustrate users and cause them to leave.
    • How to Improve: Optimize image sizes, use a content delivery network (CDN), and leverage efficient caching strategies.
  • Cumulative Layout Shift (CLS): Evaluates how much content shifts unexpectedly while loading. High CLS can lead to poor user experience, especially on mobile devices.
    • How to Improve: Set dimensions for images and media elements, avoid inserting new content dynamically above existing content.
  • Interaction to Next Paint (INP): Measures how quickly a page becomes interactive after loading.
    • How to Improve: Minimize JavaScript execution time, use efficient third-party scripts, and implement lazy loading.

Beyond these metrics, Google also considers structured data, schema markup, and internal linking strategies crucial for search engine rankings.

How to Secure Buy-In for Technical SEO Improvements

One of the biggest challenges with technical SEO is getting buy-in from leadership and development teams. Unlike content marketing, where results are often more visible, technical SEO improvements require backend work that may not seem immediately impactful. Here’s how to drive alignment:

  • Demonstrate the Business Impact: Highlight that over 40% of organic traffic for most e-commerce sites comes from Google. Explain how improving site speed and structure directly affects conversion rates and revenue.
  • Frame Technical SEO as a Revenue Driver: Rather than asking for an increased budget for paid search, emphasize that technical SEO optimizations can help increase organic traffic and drive higher conversion rates once someone finds their way to your site. 
  • Collaboration Between Marketing and Development: Work closely with engineers to integrate web performance best practices into the site’s backend. While marketing, ensures that content is optimized for keywords and relevance.

Technical SEO Equals Speed—But There's More to It

While speed is one of the most important aspects of technical SEO, other elements also play a crucial role:

  • Site Architecture: A clean, well-structured website with logical navigation improves both user experience and search engine crawling efficiency.
  • Redirect Management: Minimize unnecessary 404s and use proper 301 and 302 redirects to maintain link equity.
  • Pre-Rendering and Early Hints: Leveraging these techniques can help speed up page loads and improve overall site performance.

Google’s mobile-first indexing makes mobile performance optimization essential. Prioritizing mobile speed and user experience ensures better rankings and engagement, particularly as platforms like Meta and TikTok continue to shape mobile browsing behavior.

The Role of AI in Technical SEO

With the rise of generative AI, Google is improving its ability to distinguish between AI-generated content and human-written content. While AI-generated content isn’t explicitly penalized, it must still adhere to Google’s ranking principles. Best practices include:

  • Ensuring AI-generated content is accurate and relevant to search queries.
  • Maintaining citations and backlinks to reinforce authority.
  • Structuring content with schema markup to provide clear indexing signals to Google.

As AI-driven search evolves, Google will likely consolidate similar content to reduce redundancy in search results. Marketers must focus on authoritative, high-quality content rather than mass-producing pages with minor variations.

Final Takeaways

Technical SEO is no longer just a niche concern—it’s a critical factor in digital success. As Google continues prioritizing performance and structured data, brands that invest in technical optimizations will see stronger search rankings and better user experiences.

To stay competitive:

  • Continuously monitor and improve Core Web Vitals and site performance.
  • Align technical and marketing teams to execute improvements on both the content and technical side.
  • Use structured data and schema markup to enhance search visibility.
  • Optimize mobile experiences as a top priority.

By treating technical SEO as a foundational part of your digital strategy, you’ll maximize organic traffic and create a seamless experience for users and search engines alike.

Technical SEO has always been a fundamental part of search engine optimization, but its role has evolved dramatically over the years. While content-driven SEO strategies have largely dominated the past decade, the focus is now shifting back to the technical foundation of websites. Google’s increasing emphasis on performance, mobile-first indexing, and structured data means that marketers and developers must work together to ensure optimal search visibility. In this blog, we’ll explore what technical SEO is, why it’s becoming more critical than ever, and how teams can drive buy-in for technical SEO improvements.

What is Technical SEO and How Does It Differ From Traditional SEO?

SEO, at its core, is about optimizing content to rank higher on search engines. Traditionally, this meant optimizing for keywords, creating high-quality content, and securing backlinks. However, technical SEO focuses on the infrastructure of a website—ensuring that search engines can efficiently crawl, index, and understand the content.

In the early days of SEO, technical elements like H1 tags, metadata, and keyword stuffing played a dominant role. As Google’s algorithm became more sophisticated, content took center stage. But now, with search engines prioritizing user experience, technical SEO is regaining importance. The modern approach includes optimizing for speed, ensuring mobile-first performance, implementing structured data, and improving site architecture.

Key Web Performance Metrics and How to Improve Them

Since 2020, Google has used Core Web Vitals as a primary indicator of site performance. These metrics are vital for both organic search rankings and paid search effectiveness. Here are the key metrics and their implications:

  • Largest Contentful Paint (LCP): Measures how long it takes for the largest visible content element to load. A slow LCP can frustrate users and cause them to leave.
    • How to Improve: Optimize image sizes, use a content delivery network (CDN), and leverage efficient caching strategies.
  • Cumulative Layout Shift (CLS): Evaluates how much content shifts unexpectedly while loading. High CLS can lead to poor user experience, especially on mobile devices.
    • How to Improve: Set dimensions for images and media elements, avoid inserting new content dynamically above existing content.
  • Interaction to Next Paint (INP): Measures how quickly a page becomes interactive after loading.
    • How to Improve: Minimize JavaScript execution time, use efficient third-party scripts, and implement lazy loading.

Beyond these metrics, Google also considers structured data, schema markup, and internal linking strategies crucial for search engine rankings.

How to Secure Buy-In for Technical SEO Improvements

One of the biggest challenges with technical SEO is getting buy-in from leadership and development teams. Unlike content marketing, where results are often more visible, technical SEO improvements require backend work that may not seem immediately impactful. Here’s how to drive alignment:

  • Demonstrate the Business Impact: Highlight that over 40% of organic traffic for most e-commerce sites comes from Google. Explain how improving site speed and structure directly affects conversion rates and revenue.
  • Frame Technical SEO as a Revenue Driver: Rather than asking for an increased budget for paid search, emphasize that technical SEO optimizations can help increase organic traffic and drive higher conversion rates once someone finds their way to your site. 
  • Collaboration Between Marketing and Development: Work closely with engineers to integrate web performance best practices into the site’s backend. While marketing, ensures that content is optimized for keywords and relevance.

Technical SEO Equals Speed—But There's More to It

While speed is one of the most important aspects of technical SEO, other elements also play a crucial role:

  • Site Architecture: A clean, well-structured website with logical navigation improves both user experience and search engine crawling efficiency.
  • Redirect Management: Minimize unnecessary 404s and use proper 301 and 302 redirects to maintain link equity.
  • Pre-Rendering and Early Hints: Leveraging these techniques can help speed up page loads and improve overall site performance.

Google’s mobile-first indexing makes mobile performance optimization essential. Prioritizing mobile speed and user experience ensures better rankings and engagement, particularly as platforms like Meta and TikTok continue to shape mobile browsing behavior.

The Role of AI in Technical SEO

With the rise of generative AI, Google is improving its ability to distinguish between AI-generated content and human-written content. While AI-generated content isn’t explicitly penalized, it must still adhere to Google’s ranking principles. Best practices include:

  • Ensuring AI-generated content is accurate and relevant to search queries.
  • Maintaining citations and backlinks to reinforce authority.
  • Structuring content with schema markup to provide clear indexing signals to Google.

As AI-driven search evolves, Google will likely consolidate similar content to reduce redundancy in search results. Marketers must focus on authoritative, high-quality content rather than mass-producing pages with minor variations.

Final Takeaways

Technical SEO is no longer just a niche concern—it’s a critical factor in digital success. As Google continues prioritizing performance and structured data, brands that invest in technical optimizations will see stronger search rankings and better user experiences.

To stay competitive:

  • Continuously monitor and improve Core Web Vitals and site performance.
  • Align technical and marketing teams to execute improvements on both the content and technical side.
  • Use structured data and schema markup to enhance search visibility.
  • Optimize mobile experiences as a top priority.

By treating technical SEO as a foundational part of your digital strategy, you’ll maximize organic traffic and create a seamless experience for users and search engines alike.

Technical SEO is making a comeback. As Google prioritizes speed, mobile-first indexing, and structured data, marketers and devs must align. Explore key metrics, AI's impact, and how to drive buy-in for backend improvements.

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Technical SEO is making a comeback. As Google prioritizes speed, mobile-first indexing, and structured data, marketers and devs must align. Explore key metrics, AI's impact, and how to drive buy-in for backend improvements.

Download

White arrow pointing right
Technical SEO is making a comeback. As Google prioritizes speed, mobile-first indexing, and structured data, marketers and devs must align. Explore key metrics, AI's impact, and how to drive buy-in for backend improvements.

Download

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