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The Browser Result Details view contains information about check results in a number of charts, graphs and tables. This view is most useful for analyzing browser results for scenarios. The type of information displayed in the view depends on the check type. For a scenario, several aspects of the check are shown in different areas.

Result Message

The Result Message of a Browser Check contains useful summarizing information. The following message is an example of a result message:

6 steps, 6 pages, 76 urls, 32902/857026 sent/received bytes

The message is informing the user that a 6-step, 6-page scenario has returned with a given Severity Message (in the above example, the severity was Informational indicating the check passed).

Metrics Section

The Metrics Section contains useful information regarding browser metrics.

Total browser render time is the response time from the start of the navigation until the last request is completed.

Total response time is the sum of the response time of all the objects that were loaded during the execution. Total response time is calculated serially.

Total page size is the sum of the response sizes of all loaded objects in bytes.

DOM content loaded is the time it took for the check to reach the DOM content loaded event after navigation started.

DOM complete is the time it took for the check to reach the DOM complete event after navigation started.

DNS lookup is the time the check took to perform DNS lookup for the scenario.

Domains

The Domains section displays a table containing the domains accessed in the check. For each, aggregated information about traffic volumes and percentages is shown.

Column

Description

Domain

URL for the domain.

Size

Absolute traffic size and percentage.

Time

Absolute traffic time and percentage.

Count

Number of urls and percentage.

Timeline

Graphical representation of the transactions.

Elapsed Time

The Elapsed Time Per Page section shows the distribution of response times for the pages in a scenario .

View

Column

Description

Step

Name of scenario step.

Avg. Time

Average response time in the step.

Percentage

Time percentage for the step.

Errors

The Errors section displays errors encountered during the scenario run for the check, if any. For each page that has errors, a table is shown which contains information about the errors.

Column

Description

Comment

#

ID number for accessed page.

 The Jump To URL link lets you navigate to the URL in the waterfall where the error occurred.

HTTP Code

Returned HTTP Status Codes, if any.

 

Error

Error message from the application.

 

Time

Elapsed time for the step where the error occurred.

 

Url

Access HTTP Methods and URL where the error occurred.

 When you click a particular URL in the table, detailed information about the response is shown.

Request

Outgoing request message.

 The Open link in the Request column allows you to try to send the request manually.

Response

Incoming response for the request.

 

MIME

MIME Type for the response.

 

Error log

Log messages for the error.

 

Jump To URL

The Jump To URL link lets you navigate to the URL in the Waterfall where the error occurred.

Request

The Open link in the Request column allows you to try to send the request manually.

URL

When you click a particular URL in the table, detailed information about the response is shown.

Error Types

There are a number of error types that can be reported for a step.

Job Timeout

  • A job timeout error means that the scenario step running time has exceeded the allowed time.

  • Causes

    • The job timeout error can mean that a single scenario step runs for too long, due to a coding problem, or some other reason.

    • There can also be connection issues or very slow - or none at all - responses from the target server.

  • The default job timeout is 180 seconds.

Redirect Loop

  • The Redirect Loop error typically indicates that the there isa circular redirection happening with the request.

  • Causes

    • The typical cause of this error is a page that redirects to another page which in turn (possibly via multiple other pages) redirects back to the original page.

    • Redirect loop errors can also occur when the page redirects to itself, possibly due to a programming error or misconfiguration of an htaccess file or the web server.

    • Additionally, and more rarely, the error can be trigged if there is no actual loop, but there are too many HTTP redirects before a page is reached that does not also issue a redirect.

Page Timeout

  • A Page Timeout error happens when the total load time for a single page exceeds the threshold value.

  • Causes

    • The page timeout happens after a page has started loading, but no new events are received, and no other page has started loading.

    • The timeout occurs if a DOM has not been received (page timeout while waiting for DOM Complete event).

    • It can also occur if there is at least one response missing for one of the sent HTTP requests (page timeout while waiting for resources).

    • This means that the page is reachable, but for some reason takes a very long time to load, and there is no transfer to a different page.

  • The default threshold value is 80 seconds.

  • Changing the value

    • The Page Timeout value can be changed from the check configuration. Changing the URL Timeout will affect the Page Timeout value. The URL Timeout value is added to 40 to generate a new Page Timeout value.

URL Timeout

  • The URL Timeout error is triggered whenever the response time for a single URL request exceeds the threshold value.

  • Causes

    • Url timeout is setup separately for every URL to track debugger notifications it receives. If no events are received for a URL in urlTimeout seconds then it will be reported as timed out.

  • Setting

    • The default threshold value is 40 seconds. This can be configured in the advanced section of the check configuration.

  • Changing the value

History Information

The History Information table shows information about the check run.

This information is available if the full browser result information is not relevant for the check type or has been purged.

Item

Description

Severity 

Check status Severity.

Time

The timestamp for the check run.

Elapsed (ms)

Duration of the test.

Attempts

The number of connection attempts.

Result Code

HTTP Status Codes.

Message

Test Result Message.

Legend

The Legend section shows explanations for the colors used in a diagram. The legend varies slightly depending on which graph or table it relates to. For example, the legend for page information:

Domains Legend

The Domains Legend window is displayed when you point at a domain url.

It shows explanations for the colors used in the diagram. It also shows the actual time for each of the categories.

Item

Description

DNS Lookup

Time for DNS query and receive the response.

Connecting

Time to establish a connection.

Sending Request

Outgoing request message processing.

Waiting for Response

Time it took for the target system to return the first response which is the Response Headers.

Receiving Data

Time to complete response from the URL/method.

Slowest URL Legend

The Slowest URL Legend window is displayed when you point at a url in the table.

Shows explanations for the colors used in the diagram. It also shows the actual time for each of the categories.

Item

Description

Offset

Time until start of processing.

DNS Lookup

Time for DNS query and receive the response.

Connecting

Time to establish a connection.

Sending Request

Outgoing request message processing.

Waiting for Response

Time it took for the target system to return the first response which is the Response Headers.

Receiving Data

Time to complete response from the URL/method.

Waterfall Legend

The Waterfall Legend section shows explanations for the colors used in the waterfall diagram.

View

Item

Description

Queued by Browser

Time spent in browser before executing DNS Lookup or or Connect.

DNS Lookup

Time for DNS query and receive the response.

Connecting

Time to establish a connection.

Sending Request

Outgoing request message processing.

Waiting for Response

Time it took for the target system to return the first response which is the Response Headers.

Receiving Data

Time to complete response from the URL/method.

Dom Content Loaded

DOM Content Loaded point. The render tree can be constructed: the DOM is ready and there are no stylesheets blocking JavaScript execution.

This measure calculates duration between the EventStart and EventEnd timestamps, to allow for JavaScript frameworks waiting DOM Content Loaded before starting execution.

Dom Complete

DOM Complete point. The resource loading and processing is complete.

Screenshots

The Screenshots section displays screenshots captured during a scenario run, if any.

The screenshots are shown as a timeline with an indicator displaying when the image was taken.

Scroll Bar

The scroll bar shows basic information about the check and allows you to navigate between checks runs.

Scenario Check Scroll Bar

The scroll bar for a Scenario Check run shows aggregated information for all the loops and requests.

##

Item

Description

 

Back to previous data point / check run.

No. Request Roundtrips

Number of full request/response cycles.

Response Time

Response time for the entire check.

Total Throughput

Data throughput.

Total URL/s

Number of URLs visited per second.

Total Loops

Number of scenario loops.

 

Forward to previous next data point / check run.

URL Check Scroll Bar

The scroll bar for a URL Check run shows aggregated information for requests and responses.

##

Item

Description

 

Back to previous data point / check run.

Response Time

Response time for the entire check.

Sent Size

Size of request(s).

Received Size

Size of response(s).

 

Forward to previous next data point / check run.

Slowest URLs

The Slowest URLs table shows a list containing the urls with the slowest response times in the check. The information displayed in the table depends on the check type. For example, a scenario check:

Column

Description

Order of access / order in scenario.

Time

Response time.

Type

Method of access.

Url

Accessed URL.

Timeline

Graphical representation of the transactions. In order to view the legend for the timeline, point the cursor at the url in the table. A tooltip with the legend is displayed.

Slowest URL Legend

The Slowest URL Legend window is displayed when you point at a url in the table.

Shows explanations for the colors used in the diagram. It also shows the actual time for each of the categories.

Item

Description

Offset

Time until start of processing.

DNS Lookup

Time for DNS query and receive the response.

Connecting

Time to establish a connection.

Sending Request

Outgoing request message processing.

Waiting for Response

Time it took for the target system to return the first response which is the Response Headers.

Receiving Data

Time to complete response from the URL/method.

Details Result Toolbar

The Toolbar is always available at the top, allowing you to perform different task relating to the check.

Scenario Toolbar

The Scenario toolbar contains basic information about the test run, and a number of buttons to access other features.

Item

Description

Name of the check.

 

Opens the Check Edit view.

 

Check Details.

 

Analyze Metrics.

 

Locations Locations.

 

Introduction to Apica Check Types.

Test Started

Timestamp for when the test started.

URL Toolbar

The URL toolbar contains basic information about the test run and a number of buttons to access other features.

Item

Description

Name of the check.

 

Opens the Check Edit view.

 

Check Details.

Analyze Metrics.

 

Locations Locations.

 

Intro Types Check Types.

Test Started

Timestamp for when the test started.

The URL Waterfall Section

Understanding the Waterfall Section for a Browser Check Result

The following diagram explains the different metrics which are displayed in the waterfall for a Browser Check result. These metrics are pulled from the ASM API.

Number on Diagram

Metric Name

Description

1

Step Nr

The Step (sometimes Page) number.

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. (DNS Lookup + Connect + Send + Wait + Receive).

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.

The following metrics are also pulled from the ASM API for Browser checks, but they are NOT displayed on the waterfall. They are used to present more information on each URL.

Metric Name

Description

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 = DNS Lookup + Connect + Send + Wait).

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

The following diagram explains the different metrics which are displayed in the waterfall for a ZebraTester Check result. These metrics, of course, are also pulled from the ASM API.

Number on Diagram

Metric Name

1

URL Number

2

URL

3

Header Name (Key)

4

Header Value

5

HTTP Status Code

6

HTTP Method

7

DNS lookup duration (ms)

8

Connect duration (ms)

9

Send duration (ms)

10

Wait duration (ms)

11

Receive duration (ms)

12

Elapsed Time

13

Received Bytes

Waterfall Legend

The Waterfall Legend section contains explanations for the colors used in the waterfall diagram.

View

Item

Description

Queued by Browser

Time spent in the browser before executing DNS Lookup or Connect.

DNS Lookup

Time for DNS query and receive the response.

Connecting

Time to establish a connection.

Sending Request

Outgoing request message processing.

Waiting for Response

The time it took for the target system to return the first response which is the Response Headers.

Receiving Data

Time to complete the response from the URL/method.

DOM Content Loaded

DOM Content Loaded point. The render tree can be constructed: the DOM is ready and there are no stylesheets blocking JavaScript execution. This measure calculates duration between the EventStart and EventEnd timestamps, to allow for JavaScript frameworks waiting DOM Content Loaded before starting execution.

DOM Complete

DOM Complete point. The DOM Complete point is when the resource loading and processing is complete.

Expanded View

For each row in the waterfall table, further details are available. To expand the row for a page:

  • Click the expand button

Messages

When available, headers for the request and response are shown:

Waterfall History

You can compare the recent check result for a transaction with the History of Previous Results list of recent results.

Websockets

When the check records Websockets, you can get a detailed view of the recorded data by expanding the relevant result Waterfall row.

The WebSockets frame shows all recorded events for the selected URL.

When WebSocket recording data is available, this is indicated by a button in the waterfall row:

View WebSocket recording

For each row in the waterfall table, further details are available.

To expand the row for a page:

  • Click the expand button

The WebSocket recording is shown next to the result history:

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