Overview

Viewing Overall Metrics

1. Log in to the management console.
2. Click on the left and choose Management & Governance > Application Performance Management.
3. In the navigation pane on the left, choose Web Monitoring > Overview. Overview includes Load Performance, JS Stability, API Requests, Service Traffic, Top 5 Slowest Pages, Top 5 JS Errors, Top 5 Slow APIs, and Top 5 Visits.

   Table 1 Overview metrics

   Parameter	Description
   UV	Number of visitors who access the website. If a user accesses the site multiple times in a day, only one UV will be counted.
   PV	Page view (PV), which is the number of times a page is opened or refreshed.
   Avg. Load Time	Average page load time.
   JS Errors	JS error rate = Number of errors triggered during JS running/Total number of Java scripts
   Slow APIs	Slow APIs refer to APIs with load time longer than 1,000 ms. Slow API proportion = Number of slow APIs/Total number of APIs
   API Success Rate	API success rate = Number of APIs that are successfully called/Total number of APIs

Load Performance

1. Click on the left and choose Management & Governance > Application Performance Management.
2. In the navigation pane, choose Web Monitoring > Overview.
   • Move the cursor to the load performance graph. The detailed load performance data is displayed.
   • Click More to go to the details page. For details, see Load Performance.

     Table 2 Load performance parameters

     Parameter	Description
     Load Time	Page load time.
     First Contentful Paint (FCP)	Duration from the time when you open a website to the time when the content on the home page of the browser has been rendered.
     First Paint (FP)	Duration from the time when you click a link or enter a URL to the time when the browser starts to display content.
     Time to Interactive	Duration from the time when a page starts to be loaded to the time when main resources are rendered and a response is made.

JS Stability

1. In the navigation pane, choose Web Monitoring > Overview.
   • Move the cursor to the JS stability trend graph. The detailed JS stability data is displayed.
   • Click More to go to the details page. For details, see JS Errors.

     Table 3 JS stability parameters

     Parameter	Description
     JS Errors	Number of JS errors.
     JS Error Rate	JS error rate = Number of errors triggered during JS running/Total number of Java scripts

API Requests

1. In the navigation pane, choose Web Monitoring > Overview.
   • Move the cursor to the API request trend graph. The detailed API request data is displayed.
   • Click More to go to the details page. For details, see API Requests.

     Table 4 API request parameters

     Parameter	Description
     Slow APIs	Slow APIs refer to APIs with load time longer than 1,000 ms. Slow API proportion = Number of slow APIs/Total number of APIs
     API Failure Rate	Probability that APIs fail to be called.

Service Traffic

APM Agents regularly collect access traffic data of websites and HTML5 clients. The data includes UV, PV, and Loads.

1. In the navigation pane, choose Web Monitoring > Overview. Move the cursor to the service traffic trend graph. The traffic data is displayed.

   Table 5 Service traffic parameters

   Parameter	Description
   UV	Number of visitors who access the website. If a user accesses the site multiple times in a day, only one UV will be counted.
   PV	Page view (PV), which is the number of times a page is opened or refreshed.
   Loads	Total number of times pages were loaded.

Top 5 Slowest Pages

This card displays the five URLs with the longest load time. The metrics include URL, Loads, and Avg. Load Time.

1. In the navigation pane, choose Web Monitoring > Overview. The Top 5 Slowest Pages card is displayed.
2. Click a URL in the URL column. The load performance details of the URL are displayed. For details, see step 2.

Top 5 JS Errors

This card displays the five URLs with the most JS errors. The metrics include URL, Error, and Number of errors.

1. In the navigation pane, choose Web Monitoring > Overview. The Top 5 JS Errors card is displayed.
2. Click a URL in the URL column. The clustering analysis details of the URL are displayed. For details, see steps 4–6.

Top 5 Slow APIs

This card displays the top 5 slow APIs. The metrics include URL, Request Method, Number of Slow Requests, and Avg. Load Time.

1. In the navigation pane, choose Web Monitoring > Overview. The Top 5 Slow APIs card is displayed.
2. Click a URL in the URL column. The request statistics details of the URL are displayed. For details, see step 4.

Top 5 Visits

This card displays five URLs with the most visits. The metrics include URL, Page View (PV), and Number of visitors (UV).

1. In the navigation pane, choose Web Monitoring > Overview. The Top 5 Visits card is displayed.
2. Click a URL in the URL column. The clustering analysis details of the URL are displayed. For details, see steps 2–3.