78trust / 100
Html Analyze
by CORE HTML SEO Analyzer in Security & trust
x402 APIPassing, checked 9 min ago
Analyze raw HTML you provide and get structured SEO data as JSON: title, meta description, canonical, H1-H6 outline, links, JSON-LD blocks and structural checks (single H1, heading order, duplicates, JSON-LD validity). Use it to audit a page before publishing. No URL fetching, no JavaScript execution. Max 64 KiB of HTML.
POST https://92-222-181-125.sslip.io/v1/html/analyze
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 261 ms typical, 435 ms slowest 5%
- Last check
- 9 min ago
- Next check
- in 21 min
How to call it
# See the payment challenge (nothing is charged)
curl -i -X POST "https://92-222-181-125.sslip.io/v1/html/analyze" \
-H "content-type: application/json" \
-d '{"html":"<!doctype html><html><head><title>Apartment for sale in Aix-en-Provence</title><meta name=\"description\" content=\"Bright 3-room apartment\"><link rel=\"canonical\" href=\"https://example.com/aix-3-rooms\"></head><body><h1>3-room apartment</h1><h2>Features</h2><a href=\"/contact\">Contact</a></body></html>"}'import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client().register(
"eip155:8453",
new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2F92-222-181-125.sslip.io%2Fv1%2Fhtml%2Fanalyze
const res = await pay("https://92-222-181-125.sslip.io/v1/html/analyze", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({"html":"<!doctype html><html><head><title>Apartment for sale in Aix-en-Provence</title><meta name=\"description\" content=\"Bright 3-room apartment\"><link rel=\"canonical\" href=\"https://example.com/aix-3-rooms\"></head><body><h1>3-room apartment</h1><h2>Features</h2><a href=\"/contact\">Contact</a></body></html>"}),
});
console.log(await res.json());Example input
{
"html": "<!doctype html><html><head><title>Apartment for sale in Aix-en-Provence</title><meta name=\"description\" content=\"Bright 3-room apartment\"><link rel=\"canonical\" href=\"https://example.com/aix-3-rooms\"></head><body><h1>3-room apartment</h1><h2>Features</h2><a href=\"/contact\">Contact</a></body></html>"
}Example output
{
"result": {
"canonical": "https://example.com/aix-3-rooms",
"checks": {
"canonicalPresent": true,
"descriptionPresent": true,
"headingOrder": true,
"jsonLdValid": true,
"singleH1": true,
"titlePresent": true
},
"description": "Bright 3-room apartment",
"headings": [
{
"level": 1,
"text": "3-room apartment"
},
{
"level": 2,
"text": "Features"
}
],
"jsonLd": [],
"jsonLdErrors": [],
"links": [
{
"href": "/contact",
"rel": [],
"text": "Contact"
}
],
"title": "Apartment for sale in Aix-en-Provence"
},
"service": "core-html-seo-analyzer"
}Security scan
- Payment address changed recently in payment
Payment address changed from 0x1e11c57f2a4e674f035ebae989f5b27167dc5668 to 0x3fdB182298535503354647A6C8d48A1A410E36D5
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 9 min ago | Passed | 402 | 166 ms | $0.003 |
| 4 h ago | Passed | 402 | 261 ms | $0.003 |
| 7 h ago | Passed | 402 | 179 ms | $0.003 |
| 11 h ago | Passed | 402 | 279 ms | $0.003 |
| 14 h ago | Passed | 402 | 184 ms | $0.003 |
| 18 h ago | Passed | 402 | 311 ms | $0.003 |
| 22 h ago | Passed | 402 | 169 ms | $0.003 |
| 25 h ago | Passed | 402 | 171 ms | $0.003 |
| 29 h ago | Passed | 402 | 515 ms | $0.003 |
| 32 h ago | Passed | 402 | 314 ms | $0.001 |
| 36 h ago | Passed | 402 | 300 ms | $0.001 |
| 40 h ago | Passed | 402 | 169 ms | $0.001 |
| 43 h ago | Passed | 402 | 435 ms | $0.001 |
History
| 12 Oct 2026 | Payment address changed from 0x1e11c57f2a4e674f035ebae989f5b27167dc5668 to 0x3fdB182298535503354647A6C8d48A1A410E36D5 |