What technology does waqi.info use?

waqi.info is built with Google Analytics, Google Ads, Nginx.

Is waqi.info secure (HTTPS)?

Yes. waqi.info uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 15, 2026.

Hosting provider information for waqi.info is not available yet.

What is waqi.info's SEO score?

waqi.info scored 75/100 for SEO in the latest analysis (fair).

What is waqi.info's overall website score?

waqi.info has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.

Has waqi.info's score changed over time?

waqi.info's overall score has improved by 3 points (from 78 to 81) since Jul 26, 2026.

waqi.info

World's Air Pollution: Real-time Air Quality Index

Last scanned Aug 2, 2026, 6:00 PM · 7 views

Overall score

Great

Summary

How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries. This website uses Nginx. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.

How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries.

Top issues to fix

9 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+3 more issues — details in the sections below.

SEO

4 issue(s) found

Performance

163 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+3 overall since Jul 26, 2026

Overall: 81
SEO: 75
Security: 65
Performance: 90
Accessibility: 100

Organization

Company details published in this site's own structured data.

How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries.

X (Twitter)

Meta tags

Title: World's Air Pollution: Real-time Air Quality Index
Description: How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries.
Canonical: https://waqi.info/
Language: en
Charset: UTF-8
Viewport: width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no
Robots meta
Manifest: https://waqi.info/images/favicon/manifest.webmanifest

Technologies

Detected frameworks, languages, and tools.

Google Analytics Google Ads Nginx

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 1.2
Issuer: Let's Encrypt
Subject: aqicn.org
Valid from: Jul 17, 2026
Valid to: Oct 15, 2026
Days until expiry: 73
SAN domains: *.aqicn.org, *.waqi.info, aqicn.org, waqi.info

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 5 · H2 5 · H3 0

Links

90 internal · 16 external · 20 broken

Images

108 total · 0 missing alt

Scripts / Styles

13 scripts · 3 stylesheets

JS / CSS size

5.2 KB · 1.5 KB

Page size

70.8 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Multiple H1 headings found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://waqi.info
Final URL: https://waqi.info
HTTP status: 200
HTTP version: HTTP/2
Response time: 162 ms
HTML size: 70.8 KB
Redirect chain: https://waqi.info

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does waqi.info use?: waqi.info is built with Google Analytics, Google Ads, Nginx.
Is waqi.info secure (HTTPS)?: Yes. waqi.info uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 15, 2026.
Who hosts waqi.info?: Hosting provider information for waqi.info is not available yet.
What is waqi.info's SEO score?: waqi.info scored 75/100 for SEO in the latest analysis (fair).
What is waqi.info's overall website score?: waqi.info has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
Has waqi.info's score changed over time?: waqi.info's overall score has improved by 3 points (from 78 to 81) since Jul 26, 2026.