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Number on Diagram | Metric Name | Description |
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1 | Step Nr | The Step (sometimes Page) number. E.g Step #1, Step #2, Step #n |
2 | URL number | The identifier of a URL inside of a Step. This is a counter that is unique per Step and corresponds to a URL inside of the Step. |
3 | URL | The complete URL including protocol, hostname, path and query parameters. |
4 | HTTP method | The HTTP method used e.g GET, POST, PUT. |
5 | HTTP status code | The returned status code from the server e.g 200, 302, 500. |
6 | URL Offset ms | The time Offset in milliseconds from when the URL was initiated by the browser relative to the first URL on the Step. |
7 | Blocked duration ms | The time the URL is blocked (aka Queued By Browser) inside of the browser before it is executed, e.g a DNS or Connect is fired. |
8 | DNS lookup duration ms | The time it took to perform a DNS lookup/query and receive the result back. |
9 | Connect duration ms | The time it took to establish a connection to the target system. |
10 | Send duration ms | The time it took to send the Request away from the browser. |
11 | Wait duration ms | The time it took for the target system to return the first response, which is the Response Headers. |
12 | Receive duration ms | The time it took for the complete response to be returned from the target system, including headers + content. |
13 | Response time ms | The total network response time for this URL. ( |
14 | Received bytes | The amount of uncompressed bytes received from the server. |
15 | Content mime type | MIME type of the response content. |
16 | Blocked url offset ms | The offset of the Blocked timing relative from when the URL was started (timestamp). |
17 | DNS lookup URL offset ms | The offset of the DNS Lookup timing relative from when the URL was started (timestamp). |
18 | Connect URL offset ms | The offset of the Connect timing relative from when the URL was started (timestamp). |
19 | Send URL offset ms | The offset of the Send timing relative from when the URL was started (timestamp). |
20 | Wait offset ms | The offset of the Wait timing relative from when the URL was started (timestamp). |
21 | Receive URL offset ms | The offset of the Receive timing relative from when the URL was started (timestamp). |
22 | Step duration ms | What the current Step duration is on this url to retrieve the final Step duration, find the MAX(Step Duration ms) among all URLs in this Step. |
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Metric Name | Description |
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Started | Timestamp of when the URL was initiated. |
Elapsed ms | The complete time in milliseconds that the URL took inside of the Browser. Includes both Blocked (aka Queued By Browser) time and network processing time. |
Sent bytes | The amount of bytes sent to the server. |
Error code | Internal error code. |
Error message | Internal error message (if applicable). |
Complete | Was the URL (request + response) completed? 1=True, 0=False. |
Redirect | Was the response from the server a redirect? 1=True, 0=False. |
Redirect URL | If the URL was a redirect, what URL was the original URL redirected to? |
HTTP result | The result of the HTTP call. |
Content from cache | Was the response content retrieved from the Client Browser Cache? 1=True, 0=False. |
Content size bytes | Response Content size in bytes, excluding headers. |
Request cookie count | Number of request cookies sent to the server. |
Request header count | Number of request headers sent to the server. |
Response cookie count | Number of response cookies received back from the server. |
Response header count | Number of response headers received back from the server. |
Response status line | A text with the response status. |
TTFB duration ms | Time-to-first-byte, the timing that indicates how long it took to receive the first byte from the server. ( |
TTFB URL offset ms | Not applicable. |
Started UTC ISO 8601 | The timestamp when the URL was initiated inside of the browser, according to ISO 8601 format. |
Understanding the Waterfall Section for a ZebraTester Check Result
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