refactoring.guru
Refactoring and Design Patterns
Last scanned Jul 26, 2026, 1:19 PM
Overall score
Excellent
Summary
Refactoring is a controllable process of improving code without creating new functionality. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is good (85/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Refactoring is a controllable process of improving code without creating new functionality. Design Patterns are typical solutions to the commonly occurring problems in software design.
- United States
- Hosted on Cloudflare
Top issues to fix
3 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
SEO
1 issue(s) found
Performance
120 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Refactoring and Design Patterns
- Description
- Refactoring is a controllable process of improving code without creating new functionality. Design Patterns are typical solutions to the commonly occurring problems in software design.
- Canonical
- https://refactoring.guru
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.25.25
- 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
- Let's Encrypt
- Subject
- refactoring.guru
- Valid from
- Jun 14, 2026
- Valid to
- Sep 12, 2026
- Days until expiry
- 45
- SAN domains
- *.refactoring.guru, refactoring.guru
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 2
Links
171 internal · 9 external · 0 broken
Images
9 total · 2 missing alt
Scripts / Styles
12 scripts · 1 stylesheets
JS / CSS size
58.8 KB · 3.4 KB
Page size
68.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 7
- sitemap.xml
- Found
- URLs in sitemap
- 2805
SEO issues
- Meta description longer than 160 characters
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://refactoring.guru
- Final URL
- https://refactoring.guru
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 119 ms
- HTML size
- 68.3 KB
- Redirect chain
- https://refactoring.guru
See something wrong on this report? Request a correction
Related websites
Same technology stack
atlan.com
Atlan - The Context Layer for AI
bazaart.com
AI design tools for small businesses | Bazaart
1001spiele.de
1001 Spiele - Kostenlose coole online Spiele spielen!
1001jeux.fr
1001 Jeux - Jouer aux meilleurs Jeux Gratuits en ligne!
activtrak.com
ActivTrak Work Intelligence for Productivity Optimization
bond.edu.au
Bond University | Gold Coast, Queensland, Australia
Same hosting provider
officiallondontheatre.com
Official London Theatre | Buy London Theatre Tickets
sooperkanoon.com
SooperKanoon - Search 1M+ Indian Judgments
shift4shop.com
Best Ecommerce Software of 2026 | SaaS Ecommerce Platform
gentlemansgazette.com
Gentleman's Gazette | Website & Shop For Classic Gentlemen
hackertarget.com
28 Online Vulnerability Scanners & Network Tools
metsagroup.com
Metsä Group – Growth, with a future
Frequently asked questions
- What technology does refactoring.guru use?
- refactoring.guru is built with Google Analytics.
- Is refactoring.guru secure (HTTPS)?
- Yes. refactoring.guru uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 12, 2026.
- Who hosts refactoring.guru?
- refactoring.guru is hosted on Cloudflare, behind Cloudflare CDN.
- What is refactoring.guru's SEO score?
- refactoring.guru scored 95/100 for SEO in the latest analysis (excellent).
- What is refactoring.guru's overall website score?
- refactoring.guru has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card