Google made another change to the JavaScript SEO documentation help document to explain and clarify JavaScript execution on non-200 HTTP status codes. The change. Google wrote, “All pages with a 200 ...

HTTP status codes are a core part of helping your browser understand what to do with a page. You’re probably familiar with 404 — page not found — but there are a plethora of others, like 302, which ...

Google’s John Mueller recently explained that HTTP status codes are the first thing Google checks when crawling content. This topic came up during the Google Webmaster Central Hangout on October 18.