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TTFB seems off
05-28-2014, 06:12 AM (This post was last modified: 05-28-2014 06:13 AM by sjernigan.)
Post: #1
TTFB seems off
Help me understand this result. First byte at 6.1s and first line item TTFB at 1.9s?

[Image: upload.png]
http://www.webpagetest.org/result/140527...ls/cached/
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05-28-2014, 06:27 AM
Post: #2
RE: TTFB seems off
The page-level first byte time is for the first byte of actual HTML content so the 302 redirect time + the time for the page that it was redirected to. Looks like an interesting case for repeat view where the base HTML is cacheable though. For the first view I assume there's an HTML request right after the redirect and the first byte time is the point where that completes.

In this case it should be ~2.8s since the page that was redirected to is already in cache.
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