coderwall.com
A community of great programmers and their programming tips
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
Programming tips, tools, and projects from our developer community. This website uses Google Analytics. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Missing canonical link.
Programming tips, tools, and projects from our developer community. A collaborative learning platform for software developers.
Top issues to fix
7 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.
Slow estimated load (14.3s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
14.29 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Programming tips, tools, and projects from our developer community. A collaborative learning platform for software developers.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- A community of great programmers and their programming tips
- Description
- Programming tips, tools, and projects from our developer community. A collaborative learning platform for software developers.
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- coderwall.com
- Valid from
- Jul 26, 2026
- Valid to
- Oct 24, 2026
- Days until expiry
- 89
- SAN domains
- coderwall.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 1 · H2 1 · H3 21
Links
68 internal · 4 external · 20 broken
Images
0 total · 0 missing alt
Scripts / Styles
5 scripts · 1 stylesheets
JS / CSS size
918 B · 0 B
Page size
185 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://coderwall.com
- Final URL
- https://coderwall.com
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 14.28 s
- HTML size
- 185 KB
- Redirect chain
- https://coderwall.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does coderwall.com use?
- coderwall.com is built with Ruby on Rails, Google Analytics.
- Is coderwall.com secure (HTTPS)?
- Yes. coderwall.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 24, 2026.
- Who hosts coderwall.com?
- Hosting provider information for coderwall.com is not available yet.
- What is coderwall.com's SEO score?
- coderwall.com scored 85/100 for SEO in the latest analysis (great).
- What is coderwall.com's overall website score?
- coderwall.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card