Q.8- What happened with back links when url redirect to another url?
Ans- Back links also go with url, if your backlinks are bad your new domain or url or web page ranking will go down other vise not effected.
Q.9- Is ranking affected by bounce rate?
Ans- No, bounce rate is not a seo factor and not responsible for ranking. If bounce rate is low, your conversation will go down.
Q.10- What happen with Page Rank or PR juice and crawling when we use robots.txt and robots Meta tags?
Ans- when we use robots.txt file, Google do not crawl those pages which blocked by robots.txt file but Google found proper back links those pages than google can ranked them on SERP and those pages are not passed any juice or PR. But they can receive PR juice if those pages are pointing to other pages or other websites.
When we use noindex robots tag, Google crawl this page and do not pass PR juice and also do not show on SERP.
When we use nofollow robots tag, Google crawls this page (if some links found from other page) and do not pass PR juice and also show on SERP if some links are pointing to that page from other pages or website.
When we use rel=nofollow, Google crawl this page (if links found from other sites) and appear on SERP (if links found from other sites) and not pass any link juice but pass link juice for other links (some amount of page rank is evaporate) (see this in image)
Full Overview about robots with PR and crawling
Ans- Back links also go with url, if your backlinks are bad your new domain or url or web page ranking will go down other vise not effected.
Q.9- Is ranking affected by bounce rate?
Ans- No, bounce rate is not a seo factor and not responsible for ranking. If bounce rate is low, your conversation will go down.
Q.10- What happen with Page Rank or PR juice and crawling when we use robots.txt and robots Meta tags?
Ans- when we use robots.txt file, Google do not crawl those pages which blocked by robots.txt file but Google found proper back links those pages than google can ranked them on SERP and those pages are not passed any juice or PR. But they can receive PR juice if those pages are pointing to other pages or other websites.
When we use noindex robots tag, Google crawl this page and do not pass PR juice and also do not show on SERP.
When we use nofollow robots tag, Google crawls this page (if some links found from other page) and do not pass PR juice and also show on SERP if some links are pointing to that page from other pages or website.
When we use rel=nofollow, Google crawl this page (if links found from other sites) and appear on SERP (if links found from other sites) and not pass any link juice but pass link juice for other links (some amount of page rank is evaporate) (see this in image)

