Websites built with client-side rendering (CSR) frameworks often depend heavily on JavaScript to load and display content.
In these cases, the HTML source code initially delivered to browsers or crawlers can be empty or missing key content blocks, since most of the information is dynamically generated after the page is loaded. This behaviour creates a significant gap between what users see and what search engines or AI-based crawlers can interpret.
As a result, critical SEO signals and valuable content may not be properly indexed or understood.
Common SEO issues on JavaScript-based sites
When search engines and AI tools cannot access the full page content, several recurring issues arise:
- Pages not indexed or only partially indexed
- Incomplete or inaccurate snippets in search results (SERPs)
- Reduced visibility in AI-driven search engines such as ChatGPT, Perplexity, or Copilot
- Lower PageSpeed and Core Web Vitals scores due to client-side rendering overhead
- Inability to fully navigate the website (e.g., empty listings, missing category and product navigation)
The combined effect of these limitations leads to loss of visibility, lower rankings, and reduced organic traffic opportunities.
Kleecks’ solution: Server-Side Rendering (SSR)
Kleecks addresses these SEO challenges through an automatic Server-Side Rendering (SSR) process.
For every page, Kleecks generates a fully rendered HTML version that includes all relevant content and metadata ready to be interpreted by crawlers, AI engines, and search tools.
This process occurs without any code changes or manual configurations, allowing websites to maintain their existing front-end architecture while benefiting from improved SEO performance.
Immediate benefits of Kleecks SSR
By providing complete, server-rendered HTML output, Kleecks enables:
- Improved indexing and visibility on Google and AI-based search engines
- Fully readable and structured content for crawlers and large language models (LLMs)
- Enhanced PageSpeed and Core Web Vitals.
Reliable SEO performance across technologies
Through its integrated Server-Side Rendering engine, Kleecks ensures that JavaScript-based websites can achieve the same level of indexability, visibility, and performance as traditional static or server-rendered platforms. It preserves user experience while unlocking their full SEO potential.