purplemath.com
Free and clear online algebra help! | Purplemath
Last scanned Jul 27, 2026, 3:43 PM
Overall score
Great
Summary
Free online lessons, loads of worked examples, clear and practical explainations, and no-nonsense advice. This website uses Google Analytics hosted on SUCURI-SEC - Sucuri, US. SEO is good (75/100) and accessibility is fair (70/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing canonical link.
Free online lessons, loads of worked examples, clear and practical explainations, and no-nonsense advice. Purplemath is here to help!
- United States
- Hosted on SUCURI-SEC - Sucuri, US
Top issues to fix
6 issues found · 1 high priority
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.
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.
15 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
837 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Free online lessons, loads of worked examples, clear and practical explainations, and no-nonsense advice. Purplemath is here to help!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Free and clear online algebra help! | Purplemath
- Description
- Free online lessons, loads of worked examples, clear and practical explainations, and no-nonsense advice. Purplemath is here to help!
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- SUCURI-SEC - Sucuri, US
- CDN provider
- —
- IP address
- 192.124.249.10
- ASN
- AS30148 (SUCURI-SEC - Sucuri, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Starfield Technologies
- Subject
- purplemath.com
- Valid from
- Jul 2, 2026
- Valid to
- Sep 30, 2026
- Days until expiry
- 64
- SAN domains
- purplemath.com, www.purplemath.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 4
Links
17 internal · 44 external · 15 broken
Images
6 total · 5 missing alt
Scripts / Styles
18 scripts · 3 stylesheets
JS / CSS size
828 KB · 23.4 KB
Page size
43.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://purplemath.com
- Final URL
- https://www.purplemath.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 837 ms
- HTML size
- 43.7 KB
- Redirect chain
- https://purplemath.com → https://www.purplemath.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does purplemath.com use?
- purplemath.com is built with jQuery, Google Analytics, Meta Pixel.
- Is purplemath.com secure (HTTPS)?
- Yes. purplemath.com uses TLS 1.3 with a certificate issued by Starfield Technologies, valid until Sep 30, 2026.
- Who hosts purplemath.com?
- purplemath.com is hosted on SUCURI-SEC - Sucuri, US.
- What is purplemath.com's SEO score?
- purplemath.com scored 75/100 for SEO in the latest analysis (fair).
- What is purplemath.com's overall website score?
- purplemath.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card