What is TTFB by Search Engine
TTFB by Search Engine shows how Time to First Byte (TTFB) — the delay before your server starts responding — varies for users arriving via different search engines.
This lens helps you detect whether search-driven traffic is triggering slower server responses due to redirect chains, geo routing, or personalized logic.
Only search engines that were active and measurable during the selected period are listed.
Why it matters: If TTFB is slow, users may wait too long before your page even starts loading — especially damaging for first-time visitors from organic search.
Healthy TTFB by Search Engine sample
Should you worry
In a healthy setup, TTFB is fast regardless of the search engine. This means:
There are no unnecessary redirects or logic branches.
CDN or edge servers handle search traffic efficiently.
Query parameters don’t delay backend processing.
When all search engines show green TTFB, you're serving organic traffic quickly and reliably.
Unhealthy TTFB by Search Engine sample
When one or more search engines show higher TTFB, it often points to:
Redirect chains triggered by tracking parameters or referrer logic.
Slow personalization or A/B testing logic applied to search visitors.
Origin servers handling some referrers instead of edge caching.
Poor handling of traffic from certain geographies or devices.
If Google traffic has fast TTFB but Bing or Yahoo shows delays, it may reveal overlooked backend conditions tied to less common referrers.
Resolving unhealthy TTFB by Search Engine
Go-to action plan to resolve an unhealthy TTFB by Search Engine:
Ask Uxi to analyze your TTFB by Search Engine values and suggest improvements.
Filter down to affected landing pages, locations, or user agents.
Simulate TTFB of the suspected lens to see if fixing it will resolve the TTFB by Search Engine. If yes, this is where the resolution focus should be.
Use an automated optimization tool like Navigation AI to improve your TTFB by Search Engine values.
Once you’ve improved TTFB, set an alert to be the first to know if it starts worsening again.
Try it yourself
Discover how your website performs with real user data.