W3C Link Checker: https://rhaworth.net/phots/rwhgal1.php?g=us&fmt=v&from=151444

Processing https://rhaworth.net/phots/rwhgal1.php?g=us&fmt=v&from=151444

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There are issues with the URLs listed below. The table summarizes the issues and suggested actions by HTTP response status code.

Code	Occurrences	What to do
(N/A)	3	The link was not checked due to robots exclusion rules. Check the link manually, and see also the link checker documentation on robots exclusion.
404	1	The link is broken. Double-check that you have not made any typo, or mistake in copy-pasting. If the link points to a resource that no longer exists, you may want to remove or fix the link.

Line: 149 http://www.chicagotribune.com/news/watchdog/ct-chicago-river-bacteria-cleanup-20160318-story.html redirected to https://www.chicagotribune.com/news/watchdog/ct-chicago-river-bacteria-cleanup-20160318-story.html: Status: 301 -> 404 Not Found; The link is broken. Double-check that you have not made any typo, or mistake in copy-pasting. If the link points to a resource that no longer exists, you may want to remove or fix the link.
Line: 261 https://validator.w3.org/check?uri=referer: Status: (N/A) Forbidden by robots.txt; The link was not checked due to robots exclusion rules. Check the link manually.
Line: 263 https://validator.w3.org/checklink?uri=https%3A%2F%2Frhaworth.net%2Fphots%2Frwhgal1.php%3Fg%3Dus%26fmt%3Dv%26from%3D151444&summary=on&hide_type=all&depth=&check=Check: Status: (N/A) Forbidden by robots.txt; The link was not checked due to robots exclusion rules. Check the link manually.
Line: 262 https://jigsaw.w3.org/css-validator/check/referer: Status: (N/A) Forbidden by robots.txt; The link was not checked due to robots exclusion rules. Check the link manually.

Found 50 anchors.

Valid anchors!

Checked 1 document in 161.04 seconds.