Website Performance Analyzer

Measure website performance timings including DNS lookup, TCP connect, SSL handshake, TTFB, and total load time

GET


                    api/v1/performance

Measure website performance timings including DNS lookup, TCP connect, SSL handshake, TTFB, and total load time

Rate Limiting

Standard rate limits apply to this endpoint.

Authentication

This endpoint requires authentication via API key. You can use the sandbox mode for testing without registering. See the authentication guide for details.

Query Parameters

Parameter	Type	Required	Description
`url`	string	Required	The url parameter

Response details for this API endpoint. See the response format guide for the standard response structure.

Example Response

{
    "status": "success",
    "http_code": 200,
    "code": "SUCCESS",
    "message": "Performance analysis completed",
    "data": {
        "url": "https://example.com",
        "final_url": "https://example.com/",
        "http_status": 200,
        "content_type": "text/html; charset=UTF-8",
        "content_length": 1256,
        "redirect_count": 0,
        "primary_ip": "93.184.216.34",
        "timings": {
            "dns_lookup_ms": 12.45,
            "tcp_connect_ms": 24.31,
            "ssl_handshake_ms": 45.67,
            "ttfb_ms": 142.89,
            "content_download_ms": 8.12,
            "total_time_ms": 151.01,
            "redirect_time_ms": 0
        },
        "analyzed_at": "2025-05-19T12:00:00+00:00"
    }
}

Example Usage

Here's how to use this endpoint in various languages. For more examples, see our code examples page.

cURL

curl -X GET \
    "https://apixies.io/api/v1/performance" \
    -H "X-API-Key: YOUR_API_KEY"

JavaScript

fetch("https://apixies.io/api/v1/performance", {
    method: "GET",
    headers: {
        "Content-Type": "application/json",
        "X-API-Key": "YOUR_API_KEY"
    }
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error("Error:", error));

PHP

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://apixies.io/api/v1/performance");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Content-Type: application/json",
    "X-API-Key: YOUR_API_KEY"
]);

$response = curl_exec($ch);
curl_close($ch);

echo $response;

Try It Yourself

Test this endpoint directly from your browser using our API sandbox. No authentication required for testing.

Try API Endpoint

This is a limited sandbox environment.

For full, unlimited API access, register for a free account during our beta period.

API Endpoint

/

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Response

Send a request to see the response

Common Use Cases

Website speed monitoring

Continuously monitor your website's performance metrics. Track DNS lookup, TTFB, and total load times over time to detect regressions before they impact users.

Competitive benchmarking

Compare your site's performance against competitors. Measure TTFB and total load times to identify areas where you can gain an edge in search rankings.

CDN and hosting evaluation

Test performance from different perspectives to evaluate CDN effectiveness, hosting providers, or DNS configuration changes. Compare before-and-after metrics for infrastructure migrations.

Related API Endpoints

Explore related endpoints that work well with Website Performance Analyzer.

GET Link Checker

Check if a URL is reachable and return its HTTP status code and response time

GET Security Headers Inspector

Inspect security headers for a URL to check for adherence to current best practices

GET Redirect Tracer

Follow a URL's redirect chain and report each hop with status code

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