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The Domains section displays a table containing the domains accessed in the check. For each, aggregated information regarding traffic volumes and percentage is shown.
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Column | Description |
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Domain | URL for the domain |
Size | Absolute traffic size and percentage of the total number of received bytes (as seen in the sent/received portion of the result message and the Metrics section). The percentage metric here refers to a percentage of the “Received Size” of the check - in the above screenshot, 824 KB is 98.4% of the “Received Size” of the check |
Time | Absolute traffic time and percentage of the time it took all pages to load. Note that this is different from the scenario runtime - in the above screenshot, 4 857 ms is 99.2% of 4895 ms, the total time it took all the scenarios to load |
Count | Number of urls and percentage |
Timeline | Graphical representation of the transactions. Colored bars correspond to the timings indicated in the Legend |
10 Slowest URLs
The Slowest URLs table shows a list containing the urls with the slowest response times in the check:
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Column | Description |
|---|---|
# | Order of access / order in scenario |
Time | Response time of the URL |
In this unnamed column, you will see an icon. Hover over the icon to see the type of the URL in question. Example types include | |
Url | Accessed URL and the HTTP method used to request the URL |
Timeline | Graphical representation of the transactions. Colored bars correspond to the timings indicated in the Legend |
Slowest URL Legend
The Slowest URL Legend window is displayed when you point at a url in the table. It explains the colors used in the diagram, reveals information about the URL timing, and displays the Server IP address for the domain which is accessed:
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The Errors section displays errors encountered during the scenario run for the check, if any exist. For each page that has errors, a table is shown which reveals pertinent information about each error:
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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 Code |
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Error | Error message from the application, if any |
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Time | Elapsed time for the step where the error occurred |
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Url | Access HTTP Methods and URL where the error occurred | When you click a particular URL in the table, detailed information regarding 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 | In the above screenshot, no responses were returned and all columns contain the response “N/A”. That will not always be the case |
MIME | MIME Type for the response |
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Error log | Log messages for the error | In the above screenshot, no errors were logged; all columns contain the response “N/A”. That will not always be the case |
The Jump To URL link lets you navigate to the URL in the Waterfall where the error occurred:
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The screenshots are shown as a timeline with an indicator displaying when the image was taken. Click on an individual screenshot to see a full-screen version of the screenshot. Screenshots are taken at the resolution defined in the Edit Check settings.
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Screenshots are inserted into a check at the following times: -when a new page is loaded using the “open” command, “...andWait” commands (such as clickAndWait), and any other command which triggers a new page load within the scenario |
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Screenshots are NOT automatically taken when an “InsertPageBreak” command is utilized. |
The URL Waterfall Section
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Clicking on the dropdown caret to the right of the URL will reveal information about the size and load time of past URL runs, as well as Request and Response header information if “store Request/Response Headers” is enabled in the Edit Check settings:
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Page Breaks in a Browser Check Result
Page breaks fulfill the need to separate different pages, typically consisting of multiple URL calls, from each other. They are used to organize the set of HTML pages into a single group before the next logical page navigation.
Page breaks are inserted into a browser check result whenever a new page load is triggered during a user journey. Specifically, a new page load is triggered when the “Open” command, the “insertPageBreak” command, and any of the “…andWait” commands (e.g. clickAndWait) are used.
Page breaks are automatically generated and inserted by default. However, there is an option to disable automatic page breaks in the Edit Check section. Page breaks can also be entered manually into scripts via use of the insertPageBreak scenario command
Waterfall Metrics
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Number on Diagram | Metric Name | Description |
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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 (200, 302, 500, etc.) |
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 |
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 from the browser |
11 | Wait duration ms | The time it took for the target system to return the first response (that 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 and content |
13 | Response time ms | The total network response time for this URL ( |
14 | Received bytes | The number of uncompressed bytes received from the server |
15 | Content mime type | MIME type of the response content |
16 | Blocked url offset ms | A timestamp indicating the offset of the Blocked timing relative from when the URL was started |
17 | DNS lookup URL offset ms | A timestamp indicating the offset of the DNS Lookup timing relative from when the URL was started |
18 | Connect URL offset ms | A timestamp indicating the offset of the Connect timing relative from when the URL was started |
19 | Send URL offset ms | A timestamp indicating the offset of the Send timing relative from when the URL was started |
20 | Wait offset ms | A timestamp indicating the offset of the Wait timing relative from when the URL was started |
21 | Receive URL offset ms | A timestamp indicating the offset of the Receive timing relative from when the URL was started |
22 | Step duration ms | The total amount of time it took all URLs on the page to finish loading. In the following example, the “Step duration” of the page is 6,030ms:  As you can see here, the final URL in the waterfall for this page finished loading between 6 and 7 seconds, roughly matching the 6,030ms reported as the “Step duration”:  For further confirmation, if you hover over the final URL and add the metrics together, you will find the sum of the metrics equals the Step duration: 
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When the check records Websockets, you can get a detailed view of the recorded data by expanding the relevant result Waterfall row. |
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The Legend section at the bottom of a Browser Check Result page displays the color coding which is used to identify different URL operations for each URL in the result. Hover over the “question mark” icons to learn more about how ASM defines DOM Interactive, DOM Content Loaded, and DOM Complete:
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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 |
DOM Complete | DOM Complete point. The DOM Complete point is when the resource loading and processing is complete. |
History Information
The History Information table shows information about the check run. If the check has been purged, only the most basic information regarding the check run will be available:
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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 | Returned HTTP Status Code |
Message | If a result message is available (for example, a failure message), it will be displayed here |