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dev.to

https://dev.to

Performance 55Accessibility 81SEO 92Best Practices 100

20 technologies detected · Last audited Apr 7, 2026

View full audit

Technology stack

Analytics

Ahoy Google Analytics Google Tag Manager

Backend

Ruby

Cdn

Fastly

Frontend

Cloudflare Facebook Google Search Console Google Workspace HSTS Honeybadger InstantClick Open Graph RSS React Ruby on Rails Tailwind CSS Varnish YouTube

Hosting

Heroku

Frequently asked questions about dev.to

What technology does dev.to use?

dev.to is built with Cloudflare, Facebook, Google Search Console, Google Workspace, and HSTS.

Is dev.to fast?

Somewhat — dev.to scores 55/100 on Lighthouse mobile performance, below the median audited site.

Is dev.to accessible?

Mostly — dev.to scores 81/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does dev.to use?

No CMS fingerprint was detected on dev.to — it may use a static site generator or a custom application.

Where is dev.to hosted?

dev.to is hosted on Heroku.

Does dev.to use HTTPS?

Yes — dev.to serves traffic over HTTPS.

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cookpad.com

12 shared technologies

newrepublic.com

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speakerdeck.com

12 shared technologies

time.com

12 shared technologies

atlanticcouncil.org

11 shared technologies

bbcgoodfood.com

11 shared technologies

conviva.com

11 shared technologies

eater.com

11 shared technologies

Performance Trends

Performance stable →

TTFB stable →

FCP stable →

LCP stable →

2 audits

Apr 7, 2026 11:11 UTC Latest

Worker: worker-madrid-spain-01

View full report →

Scores

Performance 55Accessibility 81Best Practices 100SEO 92PWA 0

Timing

LCP: 16.70 sFirst Contentful Paint: 7.32 sTTFB: 34 msTotal Time: 35 msCumulative Layout Shift: 0.000

Apr 4, 2026 16:09 UTC

Worker: worker-singapore-sg-01

View full report →

Scores

Performance 58Accessibility 80Best Practices 100SEO 92PWA 0

Timing

LCP: 9.09 sFirst Contentful Paint: 2.73 sTTFB: 46 msTotal Time: 50 msCumulative Layout Shift: 0.000

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