explainxkcd.com
explain xkcd
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is good (85/100). Security scores fair (70/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Cloudflare
Top issues to fix
6 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
SEO
2 issue(s) found
Performance
452 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Meta tags
- Title
- explain xkcd
- Description
- Canonical
- https://www.explainxkcd.com/wiki/index.php/Main_Page
- Language
- en
- Charset
- UTF-8
- Viewport
- width=1120
- Robots meta
- max-image-preview:standard
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.83.223
- 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
- explainxkcd.com
- Valid from
- Jul 13, 2026
- Valid to
- Oct 11, 2026
- Days until expiry
- 76
- SAN domains
- explainxkcd.com, *.explainxkcd.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 5 · H3 6
Links
41 internal · 11 external · 0 broken
Images
3 total · 1 missing alt
Scripts / Styles
7 scripts · 2 stylesheets
JS / CSS size
71.9 KB · 38 B
Page size
32.2 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing meta description
- Multiple H1 headings found
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://explainxkcd.com
- Final URL
- https://www.explainxkcd.com/wiki/index.php/Main_Page
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 452 ms
- HTML size
- 32.2 KB
- Redirect chain
- https://explainxkcd.com → https://www.explainxkcd.com/ → https://www.explainxkcd.com/wiki/index.php/Main_Page
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does explainxkcd.com use?
- explainxkcd.com is built with Cloudflare Analytics.
- Is explainxkcd.com secure (HTTPS)?
- Yes. explainxkcd.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 11, 2026.
- Who hosts explainxkcd.com?
- explainxkcd.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is explainxkcd.com's SEO score?
- explainxkcd.com scored 85/100 for SEO in the latest analysis (great).
- What is explainxkcd.com's overall website score?
- explainxkcd.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card