PageSpeed Insights API

googleapis · Analytics

Analytics No Auth Free & Open analytics media

The PageSpeed Insights API lets you analyze the performance of your website with a simple API. It offers tailored suggestions for how you can optimize your site, and lets you easily integrate PageSpeed Insights analysis into your development tools and workflow.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET pagespeedonline.pagespeedapi.runpagespeed

Runs PageSpeed analysis on the page at the specified URL, and returns PageSpeed scores, a list of suggestions to make that page faster, and other information.

https://api.apis.guru/v2/specs/googleapis.com/pagespeedonline/v5/pagespeedonline/v5/runPagespeed?alt=json&key=YOUR_API_KEY&url=https://example.com&fields=example&locale=en-US&$.xgafv=1&callback=example&category=example&strategy=STRATEGY_UNSPECIFIED&quotaUser=example&uploadType=example&utm_source=example&oauth_token=example&prettyPrint=true&access_token=example&captchaToken=example&utm_campaign=example&upload_protocol=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/googleapis.com/pagespeedonline/v5/pagespeedonline/v5/runPagespeed?alt=json&key=YOUR_API_KEY&url=https%3A%2F%2Fexample.com&fields=example&locale=en-US&$.xgafv=1&callback=example&category=example&strategy=STRATEGY_UNSPECIFIED&quotaUser=example&uploadType=example&utm_source=example&oauth_token=example&prettyPrint=true&access_token=example&captchaToken=example&utm_campaign=example&upload_protocol=example"

import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "url": "https://example.com",
    "fields": "example",
    "locale": "en-US",
    "$.xgafv": "1",
    "callback": "example",
    "category": "example",
    "strategy": "STRATEGY_UNSPECIFIED",
    "quotaUser": "example",
    "uploadType": "example",
    "utm_source": "example",
    "oauth_token": "example",
    "prettyPrint": "true",
    "access_token": "example",
    "captchaToken": "example",
    "utm_campaign": "example",
    "upload_protocol": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/googleapis.com/pagespeedonline/v5/pagespeedonline/v5/runPagespeed",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/pagespeedonline/v5/pagespeedonline/v5/runPagespeed');
url.searchParams.set('alt', 'json');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('url', 'https://example.com');
url.searchParams.set('fields', 'example');
url.searchParams.set('locale', 'en-US');
url.searchParams.set('$.xgafv', '1');
url.searchParams.set('callback', 'example');
url.searchParams.set('category', 'example');
url.searchParams.set('strategy', 'STRATEGY_UNSPECIFIED');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('uploadType', 'example');
url.searchParams.set('utm_source', 'example');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');
url.searchParams.set('access_token', 'example');
url.searchParams.set('captchaToken', 'example');
url.searchParams.set('utm_campaign', 'example');
url.searchParams.set('upload_protocol', 'example');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/googleapis.com/pagespeedonline/v5/pagespeedonline/v5/runPagespeed")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("url", "https://example.com")
	q.Set("fields", "example")
	q.Set("locale", "en-US")
	q.Set("$.xgafv", "1")
	q.Set("callback", "example")
	q.Set("category", "example")
	q.Set("strategy", "STRATEGY_UNSPECIFIED")
	q.Set("quotaUser", "example")
	q.Set("uploadType", "example")
	q.Set("utm_source", "example")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	q.Set("access_token", "example")
	q.Set("captchaToken", "example")
	q.Set("utm_campaign", "example")
	q.Set("upload_protocol", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/googleapis.com/pagespeedonline/v5/pagespeedonline/v5/runPagespeed")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "url" => "https://example.com",
  "fields" => "example",
  "locale" => "en-US",
  "$.xgafv" => "1",
  "callback" => "example",
  "category" => "example",
  "strategy" => "STRATEGY_UNSPECIFIED",
  "quotaUser" => "example",
  "uploadType" => "example",
  "utm_source" => "example",
  "oauth_token" => "example",
  "prettyPrint" => "true",
  "access_token" => "example",
  "captchaToken" => "example",
  "utm_campaign" => "example",
  "upload_protocol" => "example"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/googleapis.com/pagespeedonline/v5/pagespeedonline/v5/runPagespeed?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "url" => "https://example.com",
    "fields" => "example",
    "locale" => "en-US",
    "$.xgafv" => "1",
    "callback" => "example",
    "category" => "example",
    "strategy" => "STRATEGY_UNSPECIFIED",
    "quotaUser" => "example",
    "uploadType" => "example",
    "utm_source" => "example",
    "oauth_token" => "example",
    "prettyPrint" => "true",
    "access_token" => "example",
    "captchaToken" => "example",
    "utm_campaign" => "example",
    "upload_protocol" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with PageSpeed Insights API?

PageSpeed Insights API is a Analytics API. Developers commonly use analytics APIs for:

tracking product usage and user behaviour
building custom reporting and BI dashboards
measuring marketing and campaign performance
running funnel, retention, and cohort analysis
aggregating metrics from multiple data sources

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. PageSpeed Insights API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

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