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Correct. If a page is not accessible when a crawl is attempted, then grades will be returned as an F grade, only because we are grading the page that does resolve when reached. Commonly 404 pages.

This will depend on what slideshow plugin you are using. If you respond with that information it will be easier for someone to give you a definite answer, and I will try to do so myself. Edit: for what it is worth, I am seeing the alt tags on your photography website.

I have deleted to old images and uploaded versions with optimized files names alts tags etc also done all my page seo too

Hi there! Yes, you've definitely received some great responses! If your question has been answered, please mark up to three responses as a "Good Answer" and mark this question answered. Thanks!! Christy