haisitong.net website report
北京海思通科技有限责任公司
Last scanned
Overall score
Fair
About haisitong.net
haisitong.net is a website. It describes itself as “北京海思通公司为企业建站 网站建设 网站制作 网站设计 海思通 海思通科技 网站建设公司 北京网站建设公司 昌平网站建设公司 最专业的网站建设公司 团购网站建设 团购网站制作 北京海思通公司对员工的要求是：敬业、创新、客户满意！北京海思通科技有限责任公司 01082462897…”.
Score profile
Top issues to fix
12 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+6 more issues — details in the sections below.
How it compares
haisitong.net scores higher overall than 16% of the 163,243 sites we have scanned.
vs. All scanned sites
163,243 sitesThe dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.
Technology stack
haisitong.net is built with jQuery and Nginx.
Hosting & DNS
- IP address
- —
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/2
Show DNS record values
TXT record contents are not republished; only their count is shown.
Security
haisitong.net uses TLS 1.3 with a certificate valid for 74 more days and sets 1 of 6 recommended security headers.
Security headers1 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 2
- Cookies set
- 0
Email security
haisitong.net scores F for email security, with SPF and no DMARC policy.
- SPFWeak
Marks unlisted senders as suspicious (~all) but does not reject them.
- DMARCNot set
No DMARC policy: forged mail is not told to be rejected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
haisitong.net scores 100/100 for performance, with an estimated load time of 0.4 s. A visit emits an estimated 0.01 g of CO2 (grade A+).
Page weight
- HTML 21.1 KB
- JavaScript 134 B
- Est. load
- 377 ms
- Response
- 377 ms
- Scripts / CSS
- 5 / 5
Carbon per visitA+
0.01 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
haisitong.net scores 55/100 for SEO and 60/100 for accessibility, with 7 SEO issues to fix.
Heading structure
No H1 found.
Image alt text
20 images · 20 without alt text · 0 lazy-loaded
Links
- Internal 46
- External 4
- Broken 7
SEO issues7
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues2
- Over half of images are missing alt text
- No H1 heading found
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- 北京海思通科技有限责任公司
- Description
- 北京海思通公司为企业建站 网站建设 网站制作 网站设计 海思通 海思通科技 网站建设公司 北京网站建设公司 昌平网站建设公司 最专业的网站建设公司 团购网站建设 团购网站制作 北京海思通公司对员工的要求是：敬业、创新、客户满意！北京海思通科技有限责任公司 01082462897 QQ:2223793800
- Canonical
- Language
- zh-CN
- Robots meta
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
No JSON-LD types declared.
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://haisitong.net
- HTTP status
- 200
- Redirects
- https://haisitong.net
- Scanned
- Aug 24, 2026, 1:21 PM
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Frequently asked questions about haisitong.net
- What is haisitong.net?
- haisitong.net is a website. It describes itself as “北京海思通公司为企业建站 网站建设 网站制作 网站设计 海思通 海思通科技 网站建设公司 北京网站建设公司 昌平网站建设公司 最专业的网站建设公司 团购网站建设 团购网站制作 北京海思通公司对员工的要求是：敬业、创新、客户满意！北京海思通科技有限责任公司 01082462897…”.
- What technology does haisitong.net use?
- haisitong.net is built with jQuery and Nginx.
- Is haisitong.net secure?
- haisitong.net uses TLS 1.3 with a certificate valid for 74 more days and sets 1 of 6 recommended security headers.
- Is haisitong.net protected against email spoofing?
- haisitong.net scores F for email security, with SPF and no DMARC policy.
- How does haisitong.net compare with similar sites?
- haisitong.net scores higher overall than 16% of the 163,243 sites we have scanned.
- What is haisitong.net's overall score?
- haisitong.net has an overall SiteGraph score of 72/100, combining SEO (55), performance (100), security (75) and accessibility (60).
Open Graph & Twitter