Manual google page speed

1. Manual Google PageSpeed
Install google APIS node.js
npm install googleapis --save
Install PageSpeed Insights with reporting
npm install --save psi
Usage
var psi = require('psi');
// get the PageSpeed Insights report
psi('html5rocks.com', function (err, data) {
console.log(data.score);
console.log(data.pageStats);
});
// output a formatted report to the terminal
psi.output('html5rocks.com', function (err) {
console.log('done');
});
API
psi(url, [options], callback)
url
Required
Type: string
URL of the page for which the PageSpeed Insights API should generate results.
options
Type: object
key

2. Type: string
Default: Free tier
When using this module for a production-level build process, registering for an API
key from theGoogle Developer Console is recommended.
strategy
Type: string
Default: mobile
Values: mobile, desktop
Strategy to use when analyzing the page.
locale
Type: string
Default: en_US
Locale results should be generated in.
threshold
Type: number
Default: 70
Threshold score to pass the PageSpeed test.
callback(error, data)
Required
Type: function
data
Type: object
The response from Google PageSpeed Insights.
psi.output(url, [options], [callback])
Output the formatted report to the terminal.
url and options is the same as psi().

3. callback(error)
Type: function
Install CLI
$ npm install --global psi
$ psi --help
Usage
psi <url> <options>
Example
psi todomvc.com --strategy=mobile
Options
--key Google API Key. By default the free tier is used.
--strategy Strategy to use when analyzing the page: mobile|desktop
--format Output format: cli|json|tap
--locale Locale results should be generated in.
--threshold Threshold score to pass the PageSpeed test.
Install grunt-pagespeed
npm install grunt-pagespeed --save-dev
Loading the plugin
Add this to your project's Gruntfile.js gruntfile:
grunt.loadNpmTasks('grunt-pagespeed');
Or, add this to your project's Gruntfile.coffee gruntfile:
grunt.loadNpmTasks 'grunt-pagespeed'
Alternatively use load-grunt-tasks to load your plugins.
require('load-grunt-tasks')(grunt);
Pagespeed task
Run this task with the grunt pagespeed command.

4. This task is a multi task so any targets, files and options should be specified
according to the multi taskdocumentation.
Usage Example
pagespeed: {
options: {
nokey: true,
url: "https://developers.google.com"
},
prod: {
options: {
url:
"https://developers.google.com/speed/docs/insights/v1/getting_started",
locale: "en_GB",
strategy: "desktop",
threshold: 80
}
},
paths: {
options: {
paths: ["/speed/docs/insights/v1/getting_started", "/speed/docs/about"],
locale: "en_GB",
strategy: "desktop",
threshold: 80
}
}
}
Options
nokey
Type: Boolean
Use the nokey option to test-drive PageSpeed Insights before acquiring a key for
production builds.
key
Type: String
Google API Key
url
Type: String

5. The URL of the page for which the PageSpeed Insights API should generate
results.
Target Properties
url
Type: String
The URL of the page for which the PageSpeed Insights API should generate
results.
locale
Type: String
The locale that results should be generated in. This is mandatory.
strategy
Type: String
The strategy to use when analyzing the page. Valid values are desktop and mobile.
threshold
Type: Number
Threshold score that is needed to pass the pagespeed test
paths
Type: Array
An array of URL paths that are appended to the URL
Sample output
The grunt task outputs the results as follows if everything passes:

6. If the task fails to pass the threshold, then it ouputs something similar to the image
below: