DB - Updated ReadME with examples of the metrics that are gathered

Author: David Boyne

README.md

@@ -61,12 +61,39 @@ Example: `http://localhost:8080/lighthouse?url=http://www.google.co.uk&product=g
 
 Example: `http://localhost:8080/page-speed-insights?url=http://www.google.co.uk&product=google`
 
-### Viewing dashboards
+### Viewing your dashboards
 
 You can view your dashboards at [http://localhost](http://localhost). You will be asked to login. Please use the credentials below.
 
 - username: admin
 - password: secret
 
-
-
+# Metrics
+
+| Metric                                                 | Description                                       |
+|--------------------------------------------------------|---------------------------------------------------|
+| light_house_accessibility                              | Accessibility score from lighthouse (0/100).      |
+| light_house_best_practices                             | Best practices score from lighthouse (0/100)      |
+| light_house_first_interactive                          | The time to first interaction (ms)                |
+| light_house_first_meaningful_paint                     | The time to first meaningful paint (ms)           |
+| light_house_performance                                | Performance score from lighthouse (0/100)         |
+| light_house_progressive_web_app                        | Progressive web app score from lighthouse (0/100) |
+| light_house_redirects                                  | Number of redirects                               |
+| light_house_seo                                        | SEO Score from lighthouse (0/100)                 |
+| light_house_speed_index_metric                         | Speed index                                       |
+| light_house_time_to_first_byte                         | Time to first byte (ms)                           |
+| page_speed_insights_page_stats_cssResponseBytes        | Total CSS Response in bytes                       |
+| page_speed_insights_page_stats_htmlResponseBytes       | Total HTML response in bytes                      |
+| page_speed_insights_page_stats_imageResponseBytes      | Total Image response in bytes                     |
+| page_speed_insights_page_stats_javascriptResponseBytes | Total JavaScript response in bytes                |
+| page_speed_insights_page_stats_numberCssResources      | Total CSS response in bytes                       |
+| page_speed_insights_page_stats_numberJsResources       | Total number of JavaScript files                  |
+| page_speed_insights_speed_score_desktop                | Speed score in desktop                            |
+| page_speed_insights_speed_score_mobile                 | Speed score in mobile                             |
+## Viewing Metrics in Prometheus
+
+You can view any metrics gathered by Garie in the [prometheus dashboard](http://localhost:9090/).
+
+You can view lighthouse metrics by typing `lighthouse_` in the input box. You should see all avalaible lighthouse metics.
+
+You can also see page speed insight metrics by typing `page_speed_insights` into the input box.