coveralls.io
Coveralls - Test Coverage History & Statistics
Last scanned Aug 5, 2026, 7:00 PM · 9 views
Overall score
Great
Summary
Measure, track and drive improvement in code coverage across your engineering organization. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (70/100) and accessibility is fair (65/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing canonical link.
Measure, track and drive improvement in code coverage across your engineering organization. Works with any CI service. Always free for open source. COVERALLS!
Top issues to fix
9 issues found · 3 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 viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
634 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
+5 overall since Jul 26, 2026
- Overall
- 82
- SEO
- 70
- Security
- 90
- Performance
- 100
- Accessibility
- 65
Organization
Company details published in this site's own structured data.
Measure, track and drive improvement in code coverage across your engineering organization. Works with any CI service. Always free for open source. COVERALLS!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Coveralls - Test Coverage History & Statistics
- Description
- Measure, track and drive improvement in code coverage across your engineering organization. Works with any CI service. Always free for open source. COVERALLS!
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- coveralls.io
- Valid from
- Jul 12, 2026
- Valid to
- Oct 10, 2026
- Days until expiry
- 65
- SAN domains
- coveralls.io, *.coveralls.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 7 · H2 4 · H3 8
Links
48 internal · 60 external · 20 broken
Images
39 total · 38 missing alt
Scripts / Styles
15 scripts · 2 stylesheets
JS / CSS size
72.4 KB · 0 B
Page size
93.2 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing viewport meta tag
Scan details
- Requested URL
- https://coveralls.io
- Final URL
- https://coveralls.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 633 ms
- HTML size
- 93.2 KB
- Redirect chain
- https://coveralls.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does coveralls.io use?
- coveralls.io is built with Ruby on Rails, jQuery, Google Analytics.
- Is coveralls.io secure (HTTPS)?
- Yes. coveralls.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 10, 2026.
- Who hosts coveralls.io?
- Hosting provider information for coveralls.io is not available yet.
- What is coveralls.io's SEO score?
- coveralls.io scored 70/100 for SEO in the latest analysis (fair).
- What is coveralls.io's overall website score?
- coveralls.io has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Has coveralls.io's score changed over time?
- coveralls.io's overall score has improved by 5 points (from 77 to 82) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card