Fill in the blanks: A \_\_\_\_\_\_ means the page is working like it’s supposed to, and the spider should crawl and index the page. A \_\_\_\_\_\_ means that the page in question doesn’t exist.
- 500 code, 404 code
- 200 code, 404 code
- 200 code, 500 code
- 404 code, 200 code