Image SEO involves optimizing your images to be search engine friendly through the use of alt text, appropriate captions, and optimal file dimensions. It's an essential component of overall SEO strategy that often gets overlooked.

Google uses image metadata to understand the content within images. It's still considered best practice to include alt text and properly name your images to give search engines concise clues about their content.

Image SEO is crucial for improving your rankings in Google's image search, which can drive more traffic to your site. Moreover, SEO-friendly images can significantly enhance the overall user experience.

When it comes to selecting image file formats, PNG and JPEG are the most common choices for the web. PNG offers better quality but at a larger file size, whereas JPEG allows for quality adjustments to achieve a good balance.

Yes, image filenames matter for SEO. Descriptive filenames that include relevant keywords and use hyphens to separate words are more likely to be favored by Google.

Google can indeed read text embedded in images, and it does so quite effectively. However, relying solely on embedded text isn't a good practice; it's always better to include text-based information for optimal SEO.

SEO tagging involves the use of meta tags that provide data about your web page to search engines. These tags make it easier for search engines to understand what your content is about, and they are vital for effective SEO.