view-page-source.com valid

View Page Source

View and analyze the source code of any website. Free online tool with SEO analysis, technology detection, and performance metrics.

For agents: Free online tool to view and analyze any website's HTML source, with SEO checks, HTTP header inspection, text extraction and source download.

view sourcehtml viewerseo checkerhttp headerswebsite analysis

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-23T19:17:25.790Z. Cached copy · Source on view-page-source.com

# View Page Source

> View and analyze the source code of any website. Free online tool with SEO analysis, technology detection, and performance metrics.

- [Website](https://www.view-page-source.com/): View and analyze the source code of any website
- [Full documentation](https://www.view-page-source.com/llms-full.txt): Comprehensive llms-full.txt reference

## Overview

View Page Source is a free web-based tool for viewing, downloading, and analyzing website HTML source code. It provides syntax-highlighted source viewing, comprehensive SEO analysis (meta tags, Open Graph, structured data), technology detection (100+ technologies), and performance metrics (DNS, TLS, TTFB). No registration required.

## Tools

- [View Page Source](https://www.view-page-source.com/): View and analyze any website's HTML source code (homepage)
- [HTML Viewer](https://www.view-page-source.com/html-viewer/): View and format any web page's HTML source with syntax highlighting
- [View Page Source on Mobile](https://www.view-page-source.com/view-source-phone/): View a web page's HTML source on iPhone or Android - no app needed
- [HTML Text Extractor](https://www.view-page-source.com/html-extractor/): Extract plain text content from any webpage
- [Download Website Code](https://www.view-page-source.com/download-website-code/): Download a website's source code as a file
- [SEO Checker](https://www.view-page-source.com/seo-checker/): Audit a URL's on-page SEO (meta tags, Open Graph, structured data, headings)
- [HTTP Headers Check](https://www.view-page-source.com/headers-check/): Security-header report card with an A–F grade
- [Social Preview](https://www.view-page-source.com/social-preview/): Preview Open Graph / Twitter Card link appearance

All tools are available in 12 languages: English, German, Spanish, French, Indonesian, Italian, Japanese, Dutch, Polish, Portuguese, Turkish, and Arabic (RTL).

## API

### Token Endpoint
```
GET /api/token
Response: { "token": "..." }
```

### Fetch Endpoint
```
POST /api/fetch
Content-Type: application/json

{
  "url": "https://example.com",
  "token": "<token from /api/token>",
  "stylize": true
}
```

### Response
```json
{
  "html": "<!DOCTYPE html>...",
  "metrics": {
    "totalTime": 0.523,
    "dnsLookup": 0.042,
    "tcpConnection": 0.089,
    "tlsHandshake": 0.112,
    "serverWait": 0.198,
    "contentTransfer": 0.082
  },
  "serverInfo": {
    "server": "nginx",
    "httpVersion": "HTTP/2.0",
    "httpCode": 200,
…

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Machine-readable: GET /v1/resolve?q=view-page-source.com · GET /v1/domain/view-page-source.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for view-page-source.com:
1. POST https://agentwebmap.com/v1/sites/view-page-source.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://view-page-source.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/view-page-source.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/view-page-source.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

Corrections or removal requests: contact the directory.