giscus vs Disqus

giscus and Disqus both land on Depends.

giscus

giscus.app

Analyzed October 12, 2026

Depends

Confidence: Low

Giscus is a free, open-source comment widget that stores comments in GitHub Discussions, so it fits developer sites whose readers have GitHub accounts.

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Disqus

disqus.com

Analyzed September 20, 2026

Depends

Confidence: Medium

Buy it if you want free, instant drop-in comments and accept third-party ads and your comment data living off-site.

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giscus versus Disqus
Compare	giscus	Disqus
Verdict	Depends	Depends
Best for	Developer blogs and docs	Blogs wanting instant drop-in comments
Who it's not for	General-audience sites; commenters need a GitHub account	Privacy-focused sites . comments and identities leave your domain
Privacy	No known public vulnerabilities found in the sources reviewed.^⁴	2012 breach exposed 17.5M emails; WordPress plugin CVEs exist; current core plugin rated good.¹³
Support quality	No evidence in the sources reviewed	233 PissedConsumer reviews signal weak service
Public sentiment	Reviewed sources contain no user reviews of giscus; the listed reviews cover unrelated items named 404.^¹	Users find it easy and effective for comments, but trust complaints about ads, moderation, and data practices keep surfacing.^⁷
Biggest gotcha	Vendor site returned 404 during review; verify docs before investing time^⁴	Moderation crackdowns have wiped comment sections overnight for some sites

Pick giscus when

Developer blogs and docs
Open-source project pages
Static sites with technical readers

When giscus is not a fit

General-audience sites; commenters need a GitHub account
Non-technical teams; setup needs repo access and code embeds
Private repositories; giscus needs a public repo
Teams wanting vendor support, moderation queues, or SLAs

Pick Disqus when

Blogs wanting instant drop-in comments
Publishers with commenter traffic across the Disqus network
Zero-budget sites okay with ads
High-volume content sites needing moderation tools

When Disqus is not a fit

Privacy-focused sites . comments and identities leave your domain
Anyone who may migrate later; exporting comment data is a known pain
Small sites wanting clean, ad-free pages
Brands that can't risk moderation or policy changes mid-flight

Sources

giscus.appgiscus.app
official
giscus GitHub appgithub.com
official
giscus repositorygithub.com
official
Product security page (returned 404)giscus.app
security
Disqus Plans & Pricingdisqus.com
official
What is Disqus?help.disqus.com
official
Disqus Reviews . G2g2.com
review
Disqus Reviews . Trustpilottrustpilot.com
review
233 Disqus Reviews . PissedConsumerdisqus.pissedconsumer.com
review
Is Disqus worth using? . Reddit r/Wordpressreddit.com
review
Why I Replaced Disqus and You Should Toovictorzhou.com
review
Disqus Comment System < 2.76 RCE . Wordfencewordfence.com
security
Disqus Breach Exposed 17.5m Emailsinfosecurity-magazine.com
security
CVE-2025-22705 . NIST NVDnvd.nist.gov
security
Disqus Pricing . SaaSWorthysaasworthy.com
review
Websites using Disqus . BuiltWithtrends.builtwith.com
news