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io9.com

https://io9.com

C77
Performance 41Accessibility 87SEO 85Best Practices 100

25 technologies detected · Last audited Apr 22, 2026

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Technology stack

Analytics

DoubleClick Floodlight Google AdSense Google Analytics Google Publisher Tag Google Tag Manager MailChimp MailChimp for WordPress Marfeel WP Rocket Yoast SEO

Backend

PHP

Cdn

Cloudflare cdnjs

Cms

WordPress

Frontend

Font Awesome HSTS HTTP/3 MySQL Open Graph Priority Hints RSS Sirdata Tailwind CSS jQuery jQuery Migrate

Frequently asked questions about io9.com

What technology does io9.com use?

io9.com is built with WordPress, Font Awesome, HSTS, HTTP/3, and MySQL.

Is io9.com fast?

No — io9.com scores 41/100 on Lighthouse mobile performance, indicating significant optimization opportunities.

Is io9.com accessible?

Mostly — io9.com scores 87/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does io9.com use?

io9.com runs on WordPress.

Where is io9.com hosted?

io9.com is served through Cloudflare.

Does io9.com use HTTPS?

Yes — io9.com serves traffic over HTTPS.

1 audits

Apr 22, 2026 21:56 UTC Latest

/

Worker: worker-madrid-spain-04

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Scores

Performance 41Accessibility 87Best Practices 100SEO 85PWA 0

Timing

LCP: 15.90 sFirst Contentful Paint: 6.13 sTTFB: 381 msTotal Time: 381 msCumulative Layout Shift: 0.001

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