With today's release of Chrome 68 for desktops, the browser has started flagging all unencrypted HTTP sites as "not secure." Meanwhile, security researcher Troy Hunt has launched a site that lists ...

Site migration (e.g., HTTP to HTTPS). For SEO purposes ... pointing to a page that has moved or been deleted. Avoid 404 page not found errors (although sometimes it is better to leave a 404).

There is no benefit in using a 301 redirect for a page that you killed off when you are redirecting it to a page that is not relevant to that 404 page. You should only 301 redirect pages to other ...

Google advises against redirecting all 404 pages to the homepage ... Google’s longstanding recommendation to maintain accurate HTTP status codes to help users and search engines understand ...