Here's how DEVELOPER.MOZILLA.ORG makes money* and how much!

*Please read our disclaimer before using our estimates.
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DEVELOPER . MOZILLA . ORG {}

  1. Analyzed Page
  2. Matching Content Categories
  3. CMS
  4. Monthly Traffic Estimate
  5. How Does Developer.mozilla.org Make Money
  6. Keywords
  7. Topics
  8. Questions
  9. Social Networks
  10. External Links
  11. Analytics And Tracking
  12. Libraries

We are analyzing https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/error_event.

Title:
WebSocket: error event - Web APIs | MDN
Description:
Learn about the error event, including its type and syntax, code examples, specifications, and browser compatibility.
Website Age:
27 years and 5 months (reg. 1998-01-24).

Matching Content Categories {📚}

  • Social Networks
  • Non-Profit & Charity
  • Technology & Computing

Content Management System {📝}

What CMS is developer.mozilla.org built with?

Custom-built

No common CMS systems were detected on Developer.mozilla.org, and no known web development framework was identified.

Traffic Estimate {📈}

What is the average monthly size of developer.mozilla.org audience?

🌐 Massive Traffic: 1M - 2M visitors per month


Based on our best estimate, this website will receive around 1,007,619 visitors per month in the current month.

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How Does Developer.mozilla.org Make Money? {💸}

We can't see how the site brings in money.

Websites don't always need to be profitable; some serve as platforms for education or personal expression. Websites can serve multiple purposes. And this might be one of them. Developer.mozilla.org might be earning cash quietly, but we haven't detected the monetization method.

Keywords {🔍}

websocket, event, mdn, error, writing, web, content, blog, skip, search, learn, websockets, client, server, page, api, instance, methods, close, message, open, websocketstream, experimental, applications, syntax, type, examples, specifications, browser, compatibility, connection, contributors, github, report, community, mozilla, main, select, language, references, curriculum, tools, theme, log, sign, free, apis, english, filter, sidebar,

Topics {✒️}

close event websocket message event websocket client experimental blog careers advertise websocket api websocket constructor websocket java writing web workers methods websocket error creative commons license event handler property improve mdn mdn contributors bluesky mdn mastodon mdn websockets websocketstream mozilla foundation individual mozilla error event search skip mdn main content skip errors socket websocket server learn js addeventlistener github • report generic event error syntax onerror = websocket filter sidebar connection closed due log support product profit parent org contributors page helpful event skip content report addeventlistener page curriculum sign

Questions {❓}

  • Was this page helpful to you?

Social Networks {👍}(1)

Analytics and Tracking {📊}

  • Google Analytics
  • Google Analytics 4
  • Google Tag Manager
  • Google Universal Analytics

Libraries {📚}

  • Foundation

3.8s.