DEVELOPER UTILITY

Get Source Code of Webpages

Quickly fetch, view, and download the raw HTML source code of public websites. Essential for structural analysis, debugging, and checking server output.

  • Quick Fetch
  • 📋1-Click Copy
  • 📥Download .html
  • 🔒SSRF Protected
Web Architecture

What is Page Source Code?

The raw HTML document that your browser receives from a web server before any styling or interactivity is applied.

The Foundational Blueprint

The source code is the raw HTML document sent by the server. It contains the structural skeleton of the page: text content, heading hierarchy, meta tags, and references to external CSS and JavaScript files. Viewing the source allows developers to see exactly what the server is delivering, independent of how the browser eventually renders it.

Structural Meta Analysis

Search engines can use HTML elements when processing a page. Viewing the source lets you inspect <title> elements, meta descriptions, canonical links, and schema structure as returned by the server prior to JavaScript rendering.

Debugging & Learning

Developers use source code to check server-side rendering output, verify CMS output, or study publicly accessible HTML structures and on-page semantic techniques.

Source vs. DOM

The Source Code is the static HTML from the server. The DOM (Document Object Model) is the live, interactive tree in your browser after JavaScript has executed. This tool fetches the pure initial HTML, making it perfect for analyzing server-delivered structures.

Webpage Source Code Viewer

Built & maintained by Bhavin J. Sheth Last updated on August 22, 2026
Enter a public HTTPS URL above to retrieve its raw HTML source code.
Usage Limits: 30 fetches/hour per IP • 2MB max response size • Multi-layer SSRF protection (private/local addresses blocked).
HTML Reference

Key Elements to Look For

Important HTML tags to inspect when analyzing webpage structures.

ElementPurposeWhy It Matters
<title>The clickable headline in SERPs and browser tabs.A key on-page element that helps users and search engines identify the page's topic. Should be descriptive and unique.
<meta name="description">A page summary that search engines may use for search-result snippets.A page summary that search engines may use for search-result snippets.
<link rel="canonical">Points to the master version of a page.Helps search engines identify the preferred master URL when duplicate pages exist.
<h1> - <h6>Heading hierarchy defining content structure.Helps outline the document structure, clarifying main topics and subtopics for readers and crawlers.
<script>JavaScript files and tracking pixels.Useful for identifying script dependencies in the document head that may block initial rendering.
<link rel="stylesheet">CSS files defining visual appearance.Shows linked stylesheets to evaluate where dynamic visual formatting is requested.
Core Concepts

Understanding Web Rendering

Key technical concepts to master when analyzing source code.

Source vs. DOM

Source Code is the static HTML sent by the server. DOM (Inspect Element) is the live tree after JavaScript modifies it. Use Source to inspect the initial HTML delivered by the server before any client-side JavaScript execution.

SSR vs. CSR

Server-Side Rendering (SSR) delivers populated HTML on initial request. Client-Side Rendering (CSR) frameworks (like React or Vue) may load a minimal shell and mount elements dynamically.

HTTP Status Codes

Before content displays, servers send header status indicators. A 200 OK means success. A 403 Forbidden means the server refused the request; access-control or security rules may be responsible. 404 indicates not found.

Render-Blocking

Some CSS and JavaScript resources can delay initial rendering depending on how they are loaded. Inspect resource attributes and placement to identify potential render-blocking resources.

Honest by Design — What This Tool Does

This tool performs secure server-side HTTP GET requests. Here is exactly what it does and doesn't do:

  • Fetches raw HTML exactly as returned to our server request.
  • Displays HTTP status codes and fetched document byte sizes.
  • Allows instant copying or downloading of the received HTML file.
  • Does NOT execute JavaScript or render CSS assets (displays raw markup only).
  • Does NOT bypass user paywalls, security gates, or automated-traffic firewalls.
  • Does NOT save submitted URLs or fetched HTML to any user history database.

This tool does

  • Fetch raw server-side HTML via secure GET
  • Display initial HTTP response codes
  • Calculate received markup byte weight
  • Export raw responses as local .html files
  • Verify IPv4 & IPv6 resolved targets to block SSRF
  • No user search history database storage

This tool does not

  • Process client scripts (JS) or evaluate live DOM
  • Circumvent CDN routing, firewalls, or CAPTCHAs
  • Connect to internal subnets or local interfaces
  • Compile external stylesheets or download local assets
  • Retain long-term tool usage history parameters
  • Require user accounts, cookies, or tracking IDs
Quick Guide

How to Use This Viewer

Three steps to analyze any public webpage's HTML.

1

Enter URL

Paste the full public secure URL (including https://) of the page you want to analyze.

2

Fetch Source

Click the button. Our server makes a protected server-side HTTPS request to the target host.

3

Analyze & Export

Review the raw markup code, search for declared metadata elements, and copy or download the file.

Common Mistakes

Source Code Analysis Pitfalls

Avoid these common errors when auditing document structures.

Confusing Source with DOM

Searching for scripts or elements created only in-browser by script-dependent engines.

Fix: Server responses show early blueprints. Use browser dev consoles to check elements generated after scripts execute.

Ignoring Render-Blocking

Overlooking structural linked sheets or heavy JS declarations nested directly in header containers.

Fix: Inspect resource attributes and placement to identify potential render-blocking resources. Move non-critical ones to the footer or defer them.

Missing Canonical Tags

Forgetting to evaluate canonical relationships, leaving indexes susceptible to structural duplication.

Fix: Verify canonical configurations link to correct primary pages, especially across variations of lists and filtered pages.

Overlooking Tracking Pixels

Failing to identify analytics calls or third-party markers placed directly into markup skeletons.

Fix: Search elements for known trackers such as "gtag" or analytics identifiers to map how they are called within the initial response.

Assuming SSR for SPAs

Expecting full text blocks inside code bodies delivered by Single Page Applications.

Fix: If the initial HTML contains only a minimal root element, the page may rely heavily on client-side rendering.

Ignoring HTTP Errors

Assuming a blank interface corresponds to a transmission error rather than checked server-side status results.

Fix: Always check the status code first. Code 403 means the server refused the request; access-control or security rules may be responsible.

Decision Guide

Source vs. Inspect vs. Network

Which browser tool should you use for your specific task?

Goal
Best Tool
Why
Check Primary Meta Tags
View Source (This Tool)
Inspects the markup sent from servers prior to script manipulation.
Debug Live Dynamic Elements
Inspect Element (DOM)
Displays the live document tree after browsers have parsed and run internal scripts.
Inspect Outgoing API Transfers
Network Panel
Monitors active script requests, JSON formats, and active webSocket channels.
Analyze Active Cookie Headers
HTTP Headers Checker
Validates cache parameters, token sets, and access restrictions on connection.
Check for Base Tracking Scripts
View Source (This Tool)
Allows searching the baseline body structure for embedded analytical tags.
Trace Style Deployments
Source + CSS Auditing
Matches style reference links against assets analyzed directly inside browser environments.
Use Cases

Who Uses Source Code Viewers?

High-impact scenarios for analyzing raw HTML.

Technical Code Audits

Verify that title elements, descriptions, canonical references, and markup templates are delivered cleanly in original markup states as sent by host servers.

Web Development Debugging

Quickly inspect HTML generation on dynamic engines to troubleshoot template errors, SSR configurations, or framework output patterns.

Structure & Template Studies

Inspect public page setups. Evaluate heading structures, layout grids, structural frameworks, and general document designs.

Tracking & Privacy Checks

Scan document bodies for analytical scripts. Note: Assessing scripts inside initial containers is only part of checking comprehensive local privacy setups.

Learning & Education

See how popular domains frame structural elements to support accessibility (using landmarks and semantic tags), assisting in modern design studies.

Performance Auditing

Identify render-blocking styles or unnecessary document nesting inside responses to optimize core loading parameters.

FAQs

Source Code FAQs

Straight answers about HTML, DOM, and web fetching.

Why does the source look different from the live site?

This tool shows the raw HTML source code. The visual appearance is created when a browser applies CSS and runs JavaScript. This tool shows the foundational blueprint before styling and interactivity are applied.

Can I see the source of any website?

You can view most public websites. However, sites with advanced protection (like Cloudflare, Akamai) or strict firewalls may block our server's automated request, returning a 403 Forbidden error.

What is the difference between Source and DOM?

Source is the static HTML sent by the server. DOM (Inspect Element) is the live tree after JavaScript modifies it. If a site uses client-rendered React or Vue, the Source may contain a minimal shell while the DOM shows the rendered application.

Why did I get a 403 Forbidden error?

A 403 Forbidden status indicates the target server refused our request. Access-control parameters, firewalls, or request filters are typically responsible. If this occurs, we recommend using your browser's native "View Source" (Ctrl+U) feature.

Is this tool safe to use?

Yes. We use multi-layer SSRF protections to prevent server abuse. When downloading source code to your computer, always make sure you trust the origin of the target site, as HTML files can carry their original scripts.

Can I download the source code?

Yes. Click the "Download" button to save the raw HTML as a .html file directly to your system for local code diffing, archival tasks, or offline document structure audits.

Does it show CSS and JavaScript files?

It shows the <link> and <script> elements referencing external assets, but not the contents of those assets themselves. Use browser network inspectors to track individual stylesheet or script loads.

Is this tool free?

Yes, this tool is free to use with no account setup required. Standard rate limits of 30 queries per hour help balance server loads and ensure stable service access for all users.

Why doesn't the downloaded HTML look exactly like the live site?

The download contains only the raw HTML code returned by the server. External assets like CSS, JavaScript files, images, fonts, dynamic APIs, and state are not packaged inside. When opened locally, relative asset URLs may resolve differently or fail to load, so the page may not look the same as the live website.

How do I inspect relative link assets in a local download?

Use the original webpage URL as the base reference when resolving relative asset paths. The downloaded HTML itself does not include those external assets.

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