71
/ 100
B
Good
Overall Domain Score
SEO 69 · LLM 73 · Perf 73
69
π SEO Score
9 / 13 checks passed
73
π€ LLM Readiness
8 / 11 checks passed
73
β‘ Performance
8 / 11 checks passed
π Extracted Page Tags
Title Tag
Real-time Air Quality Monitoring by PurpleAir
Meta Description
Hyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
H1 Heading
None found
Canonical URL
https://www2.purpleair.com/
π SEO Audit
69/100β
Title Tag
Length: 45 chars (Ideal: 30-60).
β Meta Description
Length: 236 chars (Ideal: 50-160).
β H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β
Open Graph Tags
Found 9 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
6 of 17 images missing alt.
β
Sitemap
Sitemap declared.
β Heading Hierarchy
Missing H1 or H2 tags.
β
Internal Links
Found 77 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
73/100β
Structured Data (JSON-LD)
Found 2 JSON-LD blocks.
β
Schema Entities
Types: organization, website
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β E-E-A-T (Author)
No author meta or schema.
β
Organisation Schema
Business entity defined.
β Breadcrumb Schema
Missing BreadcrumbList.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'en'.
β
Semantic Structure
Uses <main> or <article>.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
73/100Network Waterfall (Total: 904ms)
- DNS: 124ms
- Connect: 132ms
- TTFB: 269ms
- Download: 635ms
β
Time to First Byte (TTFB)
TTFB: 269ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 33.7KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β Cache Policies
Missing Cache-Control headers.
β
CDN Usage
Edge delivery detected.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β Native Lazy Loading
No lazy loading detected.
β
Minified Assets
Minified .js/.css referenced.
β
Preload / Preconnect Hints
Resource hints found.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
CMS
Shopify
E-Commerce
Magento
Reviews & UGC
Judge.me
Marketing Automation
Klaviyo
JavaScript
jQuery
Infrastructure & CDN
Cloudflare
π WHOIS
Registrar
easyDNS Technologies Inc.
Registered
2015-09-28
Expires
2030-09-28
Last Updated
2021-07-31
Status
client transfer prohibited, client update prohibited
Name Servers
dns1.zoneedit.com, dns2.zoneedit.com, dns3.zoneedit.com
π DNS Records
| Type | Value |
|---|---|
| A | 216.239.32.21 |
| A | 216.239.38.21 |
| A | 216.239.36.21 |
| A | 216.239.34.21 |
| MX | alt2.aspmx.l.google.com |
| MX | alt1.aspmx.l.google.com |
| MX | aspmx.l.google.com |
| MX | alt3.aspmx.l.google.com |
| MX | alt4.aspmx.l.google.com |
| TXT | facebook-domain-verification=a6irgxh8iebxm20j9vkgurt991ytg7 |
| TXT | klaviyo-site-verification=Tb2PXB |
| TXT | apple-domain-verification=TnvF2alaBKqoJEpt |
| TXT | v=spf1 mx include:amazonses.com include:_spf.google.com include:_spf.atlassian.net include:em4241.purpleair.com include:shops.shopify.com -all |
| TXT | amazon-business-verification=2b546cd29ce4ad9537075f0066e707c1b7aa23fffab46ef6194afd473761040d |
| TXT | google-site-verification=hPuACnjKxzuRsIVQ51AJqR43oCNhn8GsdGdFv6m6mxg |
| NS | dns2.zoneedit.com |
| NS | dns1.zoneedit.com |
| NS | dns3.zoneedit.com |