```html

Can you explain the difference between on-page and off-page SEO, and why both are important for a successful SEO strategy?

On-page SEO refers to optimizing elements on your website itself, such as content, keywords, meta tags, and site speed. Off-page SEO, on the other hand, involves external factors like backlinks, social media shares, and online reputation.

Both on-page and off-page SEO are crucial for a successful SEO strategy. On-page SEO helps search engines understand the relevance and quality of your content, while off-page SEO signals to search engines that your website is credible and authoritative. When combined effectively, they improve your website's visibility, rankings, and overall organic traffic.

By focusing on both on-page and off-page SEO techniques, you can create a strong foundation for sustainable and long-term search engine optimization success.

```
In the above HTML code, the focus keyword "SEO strategy" is integrated into the content for improved search engine optimization. This structure ensures that the response is not only informative but also optimized for search engines.