What technology does citycplus.cn use?

citycplus.cn is built with PHP, Bootstrap, jQuery, Apache.

Is citycplus.cn secure (HTTPS)?

Yes. citycplus.cn uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 21, 2026.

Who hosts citycplus.cn?

Hosting provider information for citycplus.cn is not available yet.

What is citycplus.cn's SEO score?

citycplus.cn scored 60/100 for SEO in the latest analysis (fair).

What is citycplus.cn's overall website score?

citycplus.cn has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.

Has citycplus.cn's score changed over time?

citycplus.cn's overall score has improved by 1 point (from 71 to 72) since Jul 27, 2026.

citycplus.cn

Last scanned Aug 5, 2026, 5:00 AM · 11 views

Overall score

Fair

Summary

碳达峰碳中和预测模拟平台. This website uses Apache. SEO is fair (60/100) and accessibility is good (75/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Missing canonical link.

碳达峰碳中和预测模拟平台

Top issues to fix

13 issues found · 3 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.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
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.
1 cookie without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

+7 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

1.47 s

Security

HTTPS & header checks

Accessibility

2 issue(s) found

Score history

+1 overall since Jul 27, 2026

Overall: 72
SEO: 60
Security: 65
Performance: 90
Accessibility: 75

Organization

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

碳达峰碳中和预测模拟平台

Meta tags

Title: 登录 - 碳达峰碳中和预测模拟平台
Description: 碳达峰碳中和预测模拟平台
Canonical
Language: zh-cn
Charset: utf-8
Viewport: width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

PHP Bootstrap jQuery Apache

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: citycplus.cn
Valid from: Jul 23, 2026
Valid to: Oct 21, 2026
Days until expiry: 77
SAN domains: *.citycplus.cn, citycplus.cn

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 1 · H3 0

Links

0 internal · 1 external · 1 broken

Images

2 total · 1 missing alt

Scripts / Styles

12 scripts · 6 stylesheets

JS / CSS size

2.1 KB · 1.1 KB

Page size

13.0 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 H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://citycplus.cn
Final URL: https://citycplus.cn/index.php?r=site%2Flogin
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 1.47 s
HTML size: 13.0 KB
Redirect chain: https://citycplus.cn → https://citycplus.cn/index.php?r=site%2Flogin

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Frequently asked questions

What technology does citycplus.cn use?: citycplus.cn is built with PHP, Bootstrap, jQuery, Apache.
Is citycplus.cn secure (HTTPS)?: Yes. citycplus.cn uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 21, 2026.
Who hosts citycplus.cn?: Hosting provider information for citycplus.cn is not available yet.
What is citycplus.cn's SEO score?: citycplus.cn scored 60/100 for SEO in the latest analysis (fair).
What is citycplus.cn's overall website score?: citycplus.cn has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
Has citycplus.cn's score changed over time?: citycplus.cn's overall score has improved by 1 point (from 71 to 72) since Jul 27, 2026.