rapidtables.com
Online Calculators & Tools - RapidTables.com
Last scanned Jul 26, 2026, 5:17 AM · 3 views
Overall score
Great
Summary
Online reference and tools - calculators, converters, math, electricity, web design. This website uses jQuery hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is fair (70/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing canonical link.
Online reference and tools - calculators, converters, math, electricity, web design
- United States
- Hosted on Cloudflare
Top issues to fix
5 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
SEO
3 issue(s) found
Performance
15 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Online reference and tools - calculators, converters, math, electricity, web design
Meta tags
- Title
- Online Calculators & Tools - RapidTables.com
- Description
- Online reference and tools - calculators, converters, math, electricity, web design
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://www.rapidtables.com/lib/favicon/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.20.46.153
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- rapidtables.com
- Valid from
- Jun 23, 2026
- Valid to
- Sep 21, 2026
- Days until expiry
- 57
- SAN domains
- rapidtables.com, *.rapidtables.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 0
Links
54 internal · 0 external · 0 broken
Images
2 total · 2 missing alt
Scripts / Styles
4 scripts · 3 stylesheets
JS / CSS size
68.3 KB · 293 B
Page size
12.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 17
- sitemap.xml
- Found
- URLs in sitemap
- 1417
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://rapidtables.com
- Final URL
- https://www.rapidtables.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 15 ms
- HTML size
- 12.5 KB
- Redirect chain
- https://rapidtables.com → https://www.rapidtables.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does rapidtables.com use?
- rapidtables.com is built with Bootstrap, jQuery.
- Is rapidtables.com secure (HTTPS)?
- Yes. rapidtables.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 21, 2026.
- Who hosts rapidtables.com?
- rapidtables.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is rapidtables.com's SEO score?
- rapidtables.com scored 80/100 for SEO in the latest analysis (great).
- What is rapidtables.com's overall website score?
- rapidtables.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card