Short answer
Time to first byte is how long the server takes to start answering. A high TTFB points at the server or the code building the page — which is exactly what page caching fixes, because a cached page is already built.
This is a general web-hosting explanation, not specific to Traxio.
Learn more
- How to measure website speed properlyWhich speed metrics matter — TTFB, LCP, INP, CLS — how to test fairly, and how to read results without chasing a perfect score.
- What is caching? Page, browser, object and CDN caching explainedThe different layers of website caching, what each speeds up, and which ones matter most for a site on shared hosting.
- Why is my website slow?A methodical way to find why a website is slow — server response, page weight, third-party scripts or distance — and what to fix first.
Step-by-step
- Find out why a website is slowIntermediate · 40 min · 7 steps