chem17.com
化工仪器网-专业科学仪器-分析检测仪器及实验室仪器设备服务平台
Last scanned Jul 26, 2026, 4:25 AM · 2 views
Overall score
Fair
Summary
化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优�… This website uses jQuery hosted on CHINANET-SHANGHAI-MAN - China Telecom (Group), CN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance fair (70/100). Top issue: Title longer than 60 characters.
化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优质供应商、仪器供求商机等市场行情信息，获取更多仪器相关信息就访问化工仪器网。
- China
- Hosted on CHINANET-SHANGHAI-MAN - China Telecom (Group), CN
Top issues to fix
10 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
No H1 heading found
SEOAdd 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
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
1.03 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优质供应商、仪器供求商机等市场行情信息，获取更多仪器相关信息就访问化工仪器网。
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.chem17.com/help
Meta tags
- Title
- 化工仪器网-专业科学仪器-分析检测仪器及实验室仪器设备服务平台
- Description
- 化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优质供应商、仪器供求商机等市场行情信息，获取更多仪器相关信息就访问化工仪器网。
- Canonical
- Language
- zh
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- CHINANET-SHANGHAI-MAN - China Telecom (Group), CN
- CDN provider
- —
- IP address
- 101.227.5.170
- ASN
- AS4811 (CHINANET-SHANGHAI-MAN - China Telecom (Group), CN)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Asseco Data Systems S.A.
- Subject
- *.chem17.com
- Valid from
- Jan 30, 2026
- Valid to
- Mar 1, 2027
- Days until expiry
- 217
- SAN domains
- *.chem17.com, chem17.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 0
Links
2544 internal · 71 external · 5 broken
Images
387 total · 0 missing alt
Scripts / Styles
35 scripts · 5 stylesheets
JS / CSS size
350 KB · 221 KB
Page size
459 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 67
- sitemap.xml
- Found
- URLs in sitemap
- 79
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://chem17.com
- Final URL
- https://www.chem17.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.02 s
- HTML size
- 459 KB
- Redirect chain
- https://chem17.com → http://www.chem17.com/ → https://www.chem17.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does chem17.com use?
- chem17.com is built with jQuery.
- Is chem17.com secure (HTTPS)?
- Yes. chem17.com uses TLS 1.3 with a certificate issued by Asseco Data Systems S.A., valid until Mar 1, 2027.
- Who hosts chem17.com?
- chem17.com is hosted on CHINANET-SHANGHAI-MAN - China Telecom (Group), CN.
- What is chem17.com's SEO score?
- chem17.com scored 60/100 for SEO in the latest analysis (fair).
- What is chem17.com's overall website score?
- chem17.com has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card