Website Speed Test API | Page Load Speed API - VebAPI
GET Version 1.0 1 Credit

Speed Check

Check your website speed and get suggestions to improve it.

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Request Details

GET /seo/loadingspeeddata
Parameter Type Requirement Description
website string Required enter website url
X-API-KEY string Required Your Vebapi API Key

πŸš€ Website Speed Check API – VebAPI

Get detailed insights into your website’s loading speed, HTTP response data, and performance metrics with improvement suggestions.


πŸ“ Description

The Speed Check API evaluates a webpage's loading time and technical performance. It returns low-level timing data, Lighthouse-style metrics (like LCP, FCP, TTI), and optimization tips. Use this to identify speed bottlenecks and improve overall page performance.

This API is perfect for SEO platforms, website audit tools, performance monitoring apps, and developer utilities.


🎯 Key Benefits

  • ⚑ Analyze full page loading performance

  • 🌍 Get real browser test data with detailed timings

  • πŸ›  Detect render-blocking issues, layout shifts, large DOMs

  • πŸ“ˆ Track key metrics like LCP, FCP, TTI, CLS, and more

  • βœ… Useful for Core Web Vitals analysis and performance reporting


🌐 Base URL


 

https://vebapi.com/api/seo/loadingspeeddata


πŸ“₯ Input Parameters

Parameter Type Required Description
website string βœ… Yes The full website domain (with or without protocol). Example: codeconia.com

Headers Required:

  • X-API-KEY: YOUR_API_KEY

  • Content-Type: application/json


πŸ“€ Output Response

The response is a JSON object with multiple sections:

data (Technical Network Stats)

Field Type Description
url string Final URL tested
http_code int HTTP status code
total_time float Total page load time in seconds
connect_time float Time to establish TCP connection
starttransfer_time float Time to first byte
redirect_url string Redirected URL (if any)
primary_ip string Server IP
http_version int HTTP version used
local_ip string IP from which request was made

speed (Performance Summary)

Field Type Description
timing int Total time in ms
score int Overall performance score (out of 100)
userAgent string User agent used during the test
warning string Any redirects or test issues detected

audit (Performance Metrics)

Each object in the audit array includes:

Field Type Description
title string Name of the metric (e.g. Largest Contentful Paint)
description string Explanation of what it measures
score int Score (0–100)
displayValue string Human-readable value (e.g. 2.1 s, 0 ms)

 

Request Example (cURL)
Expected JSON Response

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