The Page Performance Overview window provides a brief overview of all the pages of an application. In this window, you can view the page count, timing data, and exit rate of all the pages of an application.

## OS Version

In OS Version tab, you can see the detail information regarding OS-versions. In the OS version tab, you can see the following options:

- OS Version Name: This field shows the version of the operating system from where the session is being executed.
- Page Count: This field shows the total number of pages which are being accessed in a session.
- Onload (Sec): Onload time occurs when the processing of the page is complete, and all resources of the page have been finished downloading.
- TTDI (Time to DOM Interactive) (Sec): TTDI is the duration which is taken for a web page’s DOM to become fully interactive and responsive to user interaction.
- TTDL (Time to DOM Load) (Sec): TTDL is the duration which is taken for a web page’s DOM to be fully constructed and ready for user interaction.
- Server Response Time (Sec): This is the duration which is taken for a server to process a request and provide a response to user interaction.
- PRT (Perceived Response Time) (Sec): This refers to the subjective perception of how quickly a system or application responds to user interactions or requests.
- First Byte Time (Sec): This is the total amount of time spent to receive the first byte response once it has been requested.
- DNS (Sec): This is the decentralized hierarchical naming system that translates domain name into IP addresses, enabling users to access websites using human-readable addresses.
- SSL (Sec): This refers to the duration it takes for the establishment and completion of the Secure Socket Layer (SSL) handshake process, which establishes a secure encrypted connection between a client and a server.
- Cache Lookup: This is the time taken by the browser to lookup the main URL in the browser cache.
- Download (Sec): This is the total time taken in downloading the main URL
- TCP (Sec): This is the time required for a TCP handshake. It does not include SSL/TLS
- FCP (Sec): First Content Paint Timestamp reports the time it takes for the first visible content to be rendered on a web page.
- FP (Sec): First Paint timestamp reports when the browser started to render the page after navigation.
- TTI (Sec): Time to Interactive is when the website is usually usable and engaging.
- FID (Sec): First Input Delay (FID) measures the time from when a user first interacts with your site to the time when the browser can respond to that interaction.
- Exit PCT: This field defines the percentage of visitors who leaves a website or web page after viewing only a single page, without navigating to any other pages within the same sessions.

## OS Version Performance Report

In OS Version performance report, you can see the details for OS version performance overview in a graphical representation format.

### Legend

In legend, you can show or hide a data by clicking on the particular legend name. Once you click on a particular legend name, it will hide the data from the page performance report. To unhide the data, you have to click on the legend name again. There are following legends which are listed below along with their color coding:

Legend Name | Color Code
Onload |
DOM Interactive |
Time to DOM Content Loaded |
Server Response |
First Byte |
Perceived Render |
DNS Time |
Secure |
Cache |
Connection |
Network |
Exit PCT |
First Paint |
First Content Paint |
Time to Interactive |
First Input Delay |

#### Chart Context Menu

In chart context menu, you can perform the following operations which are listed below:

- Print Chart: This option is used to print the chart context.
- Download PNG Image: This option is used to download the chart context in PNG
- Download JPEG Image: This option is used to download the chart context in JPEG
- Download PDF Document: This option is used to download the chart context in PDF format.
- Download SVG Vector Image: This option is used to download the chart context in SVG

## Global Action Items

There are following Global Action Items which are listed below:

- Page Performance Detail: You can analyze the page performance across multiple metrics by click on the Page Performance Detail Page Performance Detail button
- Compare ON: In compare on, there are two options one is for time comparison, and another is for user segment comparison. To apply the compare option, you have to click on the Compare ON Compare On button.
- Compare OFF: In compare off, you can disable the compare mode. To disable the compare, you have to click on the Compare OFF Compare OFF button.
- In page performance overview window, you can also search the data by providing the name on the Search
- You can also reset the applied settings by clicking on the Reset filter icon.
- In the Page Performance Overview window, you can also perform the following operations which are listed below:
  1. Export as XLS: You can download the tabular view of the information of all the windows like Page, Device, Browser, Browser-Version, Connection, Location, Region, OS, OS Version, Browser & OS, etc in excel file format by click on the Export as XLS button.
  2. Export Table as CSV: You can download the tabular view information of the current open window in CSV format by clicking on the Export Table as CSV button.
  3. Column Filter: You can perform search operation to the column by clicking on the Column Filter button in the table. You can search a column by name, value etc.
  4. Toggle Column: You can Show/Hide a column by clicking on the Toggle Column button in the table.