I want to analyze our site for crawl issues. Right now I know we have too many pages being indexed and want to identify how our site is crawled and how to clean up our index bloat. I also want to find any problems with our site being crawled since we may be restructuring our site in the next year. I have always heard to use screaming frog but have been looking into IIS seo toolkit as well. Which would you suggest to be a better tool?