New check

Comparison

Developer vs MDN Web Docs

Developer lands on Depends, and MDN Web Docs lands on Worth it.

Developer

developer.atlassian.com

Depends

Confidence: Low

This is Atlassian's free developer documentation portal, not a product you buy . use it only if you build on Jira, Confluence, or Forge.

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MDN Web Docs

developer.mozilla.org

Worth it

Confidence: High

MDN is the free, industry-standard reference for HTML, CSS, and web APIs . every web developer should have it open.

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Developer versus MDN Web Docs
Compare	Developer	MDN Web Docs
Verdict	Depends	Worth it
Best for	Guess: Teams building apps on Atlassian (Jira, Confluence, Forge)	Web developers needing canonical reference docs
Who it's not for	Anyone shopping for software to buy . nothing to purchase here	Non-technical buyers . this is raw documentation, not a tool
Privacy	No known public vulnerabilities found in the sources reviewed.^²	No known public vulnerabilities found in the sources reviewed; only a minor scanner flag on cache headers.¹⁴
Support quality	No support evidence found	Community documentation, no support channel evidence
Public sentiment	No reviews of the Atlassian Developer portal surfaced; reviewed sources cover general developer topics instead.¹⁵	Users overwhelmingly treat MDN as the essential web reference, though a vocal minority finds it dense for beginners.^⁸
Biggest gotcha	Evaluate Jira/Confluence pricing, not this portal . real costs live there^¹	MDN Plus is a paid add-on; core docs stay free . don't pay unless you need extras^⁶

Pick Developer when

Guess: Teams building apps on Atlassian (Jira, Confluence, Forge)
Guess: Integrators automating Atlassian workflows via APIs
Guess: Devs needing Atlassian API reference docs

When Developer is not a fit

Anyone shopping for software to buy . nothing to purchase here
Teams not using Atlassian products
Non-technical buyers wanting a tool, not documentation
Guess: Orgs wanting managed integrations (use Atlassian Marketplace apps)

Pick MDN Web Docs when

Web developers needing canonical reference docs
Beginners learning HTML, CSS, JavaScript
Progressive web app builders
Teams needing browser compatibility data

When MDN Web Docs is not a fit

Non-technical buyers . this is raw documentation, not a tool
Learners wanting interactive, hand-held courses
Framework-specific docs (React, Vue) . not covered
Anyone expecting vendor support or an SLA

Sources

Atlassian Developer portaldeveloper.atlassian.com
official
Atlassian Developer security page (crawl)developer.atlassian.com
official
Salesforce Developer portaldeveloper.salesforce.com
official
Square Developer platformdeveloper.squareup.com
official
MDN Web Docs - Mozilladeveloper.mozilla.org
official
MDN Plus FAQdeveloper.mozilla.org
official
MDN Web Docs on GitHubgithub.com
official
MDN Web Docs Reviews - G2g2.com
review
Mozilla web docs is too good :) - Redditreddit.com
review
I find it very hard to read through MDN Docs - Redditreddit.com
review
MDN - Learn web development - Redditreddit.com
review
Browser Makers Agree to Move Web Documentation to Mozilla's Portalbleepingcomputer.com
news
MDN Web Docs - Wikipediaen.wikipedia.org
news
Sensitive pages could be cached - Acunetixacunetix.com
security
reddit.comreddit.com
review