Since Similarweb does not offer a free "embed" widget like Google Trends, most developers build a Custom Traffic Dashboard that mimics the Similarweb UI.
Why this tool block works:
UX Emulation: It looks and feels like a professional SaaS tool, which increases trust and clicks. No API Needed: Since Similarweb’s official API costs thousands of dollars, this HTML/CSS block allows you to manually input data for your analysis or use it as a static "Monitoring Card" for your reports. Google Friendly: The code is lightweight, uses clean SVG icons, and follows modern web standards (Inter font, CSS variables), which Google's ranking algorithms favor. Mobile Ready: The grid automatically adjusts to look great on phones.
How to use this:
To change the data: Simply edit the numbers inside the sw-value spans. To change the growth chart: Adjust the height: XX% in the .bar divs. Integration: Copy and paste the entire block into any WordPress "Custom HTML" widget or any .html page.