Browse & Analyze

History

Browse recent website audits and performance trends

Technologies

Explore technology stacks detected across the web

Compare

Side-by-side technology comparisons and market share

Stacks

Curated technology stacks and the sites that use them

Reports

Editorial deep-dives on the state of web performance

Favicons

Browse and download favicons from analyzed websites

Learn

FAQ

Common questions about BeaverCheck scores and checks

How We Score

How we calculate scores across 100+ checks

About

The story behind BeaverCheck and the team

Learn

Practical guides to fix common web performance issues

Migration Guides

Step-by-step guides for moving between web technologies

Glossary

Definitions for performance, SEO, and web platform terms

Contrast Checker

Check WCAG color contrast ratios between any two colors

HTTP Headers

Inspect HTTP response headers for any URL

SSL Checker

Analyze SSL/TLS certificate details and chain

DNS Lookup

Look up DNS records for any domain

Redirect Checker

Trace the full redirect chain for any URL

INP Checker

Real-user INP and Core Web Vitals from Google's Chrome UX Report.

API

RESTful API for programmatic website audits

Badge

Embed an auto-updating health score badge on your site

instapaper.com

https://instapaper.com

Performance 55Accessibility 64SEO 92Best Practices 96

15 technologies detected · Last audited Apr 21, 2026

View full audit

Technology stack

Analytics

Google Analytics Google Tag Manager

Cdn

Amazon S3

Frontend

Adobe Fonts Amazon Route 53 D3 Google Search Console Google Workspace HSTS Modernizr Open Graph Typekit jQuery reCAPTCHA

Hosting

Amazon Web Services

Frequently asked questions about instapaper.com

What technology does instapaper.com use?

instapaper.com is built with Adobe Fonts, Amazon Route 53, D3, Google Search Console, and Google Workspace.

Is instapaper.com fast?

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

Is instapaper.com accessible?

Limited — instapaper.com scores 64/100 on Lighthouse accessibility, with several automated issues to address.

What CMS does instapaper.com use?

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

Where is instapaper.com hosted?

instapaper.com is hosted on Amazon Web Services.

Does instapaper.com use HTTPS?

Yes — instapaper.com serves traffic over HTTPS.

1 audits

Apr 21, 2026 21:28 UTC Latest

Worker: worker-newyork-us-01

View full report →

Scores

Performance 55Accessibility 64Best Practices 96SEO 92PWA 0

Timing

LCP: 18.00 sFirst Contentful Paint: 11.28 sTTFB: 376 msTotal Time: 376 msCumulative Layout Shift: 0.000

Send Feedback