Báo cáo SEO: sciencemediacentre.es
Được tạo vào 1 tháng 5, 2026 · 42 phát hiện · 7.1s
Các trang web cơ quan, tổ chức ưu tiên khả năng tiếp cận, bảo mật và lập chỉ mục thích hợp — người dân và các bên liên quan cần tiếp cận thông tin liên quan một cách dễ dàng.
Chi tiết điểm số
Điểm trung bình của Chung: 50
Dự phóng điểm số
Cải thiện ước tính dựa trên các phát hiện trong báo cáo này
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Chi tiết từng mô-đun
Tất cả phát hiện (38)
Nghiêm trọng (3)
- highsitemap
Missing sitemap.xml
No sitemap.xml found at the root
Create a sitemap.xml to help search engines discover all pages
- highaccessibility
4 form fields without labels
Form inputs without associated labels are inaccessible
Use <label for="id"> or aria-label on every form field
- highsocial checker
Missing og:title
Open Graph title is not set — social shares will use generic text
Add og:title meta tag for compelling social media previews
Medium (16)
- mediumdns
Missing DMARC record
No DMARC policy found at _dmarc subdomain.
Add a DMARC TXT record to prevent email spoofing
- mediumdns
No DKIM record found
None of the common DKIM selectors returned a valid key. Email authentication may be incomplete.
Configure DKIM signing with your email provider and publish the public key in DNS
- mediumheaders
CSP allows unsafe-eval
Content-Security-Policy uses 'unsafe-eval' which allows dynamic code execution
Remove 'unsafe-eval' and refactor code to avoid eval()
- mediummeta
Meta description too short
Description is 46 characters (recommended: 120-160)
Write a more detailed meta description
- mediummeta
Missing og:title
Open Graph title is not set
Add og:title meta tag for social sharing
- mediummeta
Missing og:image
No Open Graph image set. Social shares will lack a preview image.
Add og:image meta tag (1200x630px recommended)
- mediumstructured data
No structured data found
No JSON-LD schemas detected on the page
Add structured data (Organization, WebSite, BreadcrumbList) for rich search results
- mediumrobots
No sitemap in robots.txt
robots.txt does not reference a sitemap
Add Sitemap: https://yourdomain.com/sitemap.xml to robots.txt
- mediumtechnology
Render-blocking scripts
4 scripts load synchronously without async/defer
Add async or defer to non-critical scripts to improve page load speed
- mediumcontent
External links without noopener
50 external links with target="_blank" lack rel="noopener"
Add rel="noopener noreferrer" to all target="_blank" links
- mediumrate limits
No rate limiting detected
10 rapid requests all succeeded without any rate-limit headers or 429 responses. The site may be vulnerable to abuse.
Implement rate limiting (e.g., 429 Too Many Requests) to protect against brute-force attacks
- mediumsocial checker
Missing og:description
Open Graph description is not set
Add og:description for better social sharing previews
- mediumsocial checker
Missing og:image
No social sharing image set — posts will lack visual appeal
Add og:image meta tag (1200x630px recommended)
- mediumuptime checker
Inconsistent www handling
Both www and non-www versions respond with 200 — one should redirect to the other
Choose either www or non-www as canonical and redirect the other with a 301
- mediumbrand checker
No Organization schema
No Organization JSON-LD found
Add Organization structured data with name, logo, and contact information
- mediumcrawl budget
No sitemap.xml found
sitemap.xml returned HTTP 404
Create a sitemap.xml to help search engines discover all pages
Low (19)
- lowdns
No IPv6 (AAAA) records
The domain has no AAAA records for IPv6 connectivity
Add AAAA DNS records for IPv6 support
- lowdns
Only one MX record (no redundancy)
A single MX record means no failover if the mail server goes down.
Add a secondary MX record for email redundancy
- lowheaders
Missing referrer-policy
Referrer-Policy is not set. Full URLs may leak to third parties.
Add Referrer-Policy: strict-origin-when-cross-origin
- lowheaders
Missing permissions-policy
Permissions-Policy is missing.
Add Permissions-Policy to restrict browser feature access
- lowheaders
Server header exposes software
Server: Apache
Remove or obfuscate the Server header to reduce information leakage
- lowmeta
Missing og:description
Open Graph description is not set
Add og:description meta tag for social sharing
- lowtechnology
Many external CSS files
85 external stylesheets loaded
Consider bundling CSS files to reduce HTTP requests
- lowtechnology
Many third-party domains
60 external domains — may impact performance and privacy
Reduce third-party dependencies or self-host critical resources
- lowcontent
Heading level skipped
H5 follows H2 (skipped H3)
Maintain sequential heading hierarchy without skipping levels
- lowcontent
Lazy images without dimensions
2 lazy-loaded images lack width/height — causes layout shift
Add width and height attributes to lazy-loaded images
- lowmobile
Missing autocomplete attributes
1 form fields lack autocomplete hints
Add autocomplete attributes (email, tel, name) for faster mobile form filling
- lowmobile
Unresponsive images
40 images lack srcset or responsive sizing
Use srcset and sizes attributes for responsive images
- lowrate limits
No WAF detected
No Web Application Firewall (Cloudflare, AWS, Akamai, Vercel, Sucuri, Fastly) was detected in response headers.
Consider using a WAF to protect against common web attacks (XSS, SQL injection, DDoS)
- lowrate limits
No bot protection detected
No CAPTCHA, challenge page, or bot detection was triggered during rapid requests.
Consider implementing bot protection (e.g., Cloudflare Turnstile, hCaptcha) for sensitive endpoints
- lownews mentions
No press or news presence
No press pages found on the site and no external news mentions detected
Create a /news or /press page with company updates — this builds authority and earns links
- lowbrand checker
No WebSite schema
No WebSite JSON-LD found
Add WebSite structured data for sitelinks search box in Google
- lowbrand checker
No web app manifest
No manifest.json linked — PWA features unavailable
Add a web app manifest for installability and brand customization
- lowpage experience
Popup elements detected
Found 1 popup/overlay element(s) — likely consent banners
Ensure popups don't cover main content excessively, especially on mobile
- lowpage experience
No resource hints
No preload or preconnect hints found
Add preload for critical resources and preconnect for important third-party origins
AI Fix Prompt
Sao chép câu lệnh này vào ChatGPT hoặc Claude để nhận hướng dẫn sửa lỗi từng bước
Fix all SEO issues found in the audit of sciencemediacentre.es.
Prioritize high-severity issues first, then medium. For each fix, make the actual code change — don't just describe what to do.
```json
{
"domain": "sciencemediacentre.es",
"scores": {
"overall": 78,
"performance": 0,
"seo": 70,
"accessibility": 85,
"bestPractices": 84,
"security": 81
},
"findings": [
{
"module": "dns",
"severity": "medium",
"title": "Missing DMARC record",
"description": "No DMARC policy found at _dmarc subdomain.",
"recommendation": "Add a DMARC TXT record to prevent email spoofing"
},
{
"module": "dns",
"severity": "medium",
"title": "No DKIM record found",
"description": "None of the common DKIM selectors returned a valid key. Email authentication may be incomplete.",
"recommendation": "Configure DKIM signing with your email provider and publish the public key in DNS"
},
{
"module": "headers",
"severity": "medium",
"title": "CSP allows unsafe-eval",
"description": "Content-Security-Policy uses 'unsafe-eval' which allows dynamic code execution",
"recommendation": "Remove 'unsafe-eval' and refactor code to avoid eval()"
},
{
"module": "meta",
"severity": "medium",
"title": "Meta description too short",
"description": "Description is 46 characters (recommended: 120-160)",
"recommendation": "Write a more detailed meta description"
},
{
"module": "meta",
"severity": "medium",
"title": "Missing og:title",
"description": "Open Graph title is not set",
"recommendation": "Add og:title meta tag for social sharing"
},
{
"module": "meta",
"severity": "medium",
"title": "Missing og:image",
"description": "No Open Graph image set. Social shares will lack a preview image.",
"recommendation": "Add og:image meta tag (1200x630px recommended)"
},
{
"module": "structured-data",
"severity": "medium",
"title": "No structured data found",
"description": "No JSON-LD schemas detected on the page",
"recommendation": "Add structured data (Organization, WebSite, BreadcrumbList) for rich search results"
},
{
"module": "robots",
"severity": "medium",
"title": "No sitemap in robots.txt",
"description": "robots.txt does not reference a sitemap",
"recommendation": "Add Sitemap: https://yourdomain.com/sitemap.xml to robots.txt"
},
{
"module": "sitemap",
"severity": "high",
"title": "Missing sitemap.xml",
"description": "No sitemap.xml found at the root",
"recommendation": "Create a sitemap.xml to help search engines discover all pages"
},
{
"module": "technology",
"severity": "medium",
"title": "Render-blocking scripts",
"description": "4 scripts load synchronously without async/defer",
"recommendation": "Add async or defer to non-critical scripts to improve page load speed"
},
{
"module": "content",
"severity": "medium",
"title": "External links without noopener",
"description": "50 external links with target=\"_blank\" lack rel=\"noopener\"",
"recommendation": "Add rel=\"noopener noreferrer\" to all target=\"_blank\" links"
},
{
"module": "accessibility",
"severity": "high",
"title": "4 form fields without labels",
"description": "Form inputs without associated labels are inaccessible",
"recommendation": "Use <label for=\"id\"> or aria-label on every form field"
},
{
"module": "rate-limits",
"severity": "medium",
"title": "No rate limiting detected",
"description": "10 rapid requests all succeeded without any rate-limit headers or 429 responses. The site may be vulnerable to abuse.",
"recommendation": "Implement rate limiting (e.g., 429 Too Many Requests) to protect against brute-force attacks"
},
{
"module": "social-checker",
"severity": "high",
"title": "Missing og:title",
"description": "Open Graph title is not set — social shares will use generic text",
"recommendation": "Add og:title meta tag for compelling social media previews"
},
{
"module": "social-checker",
"severity": "medium",
"title": "Missing og:description",
"description": "Open Graph description is not set",
"recommendation": "Add og:description for better social sharing previews"
},
{
"module": "social-checker",
"severity": "medium",
"title": "Missing og:image",
"description": "No social sharing image set — posts will lack visual appeal",
"recommendation": "Add og:image meta tag (1200x630px recommended)"
},
{
"module": "uptime-checker",
"severity": "medium",
"title": "Inconsistent www handling",
"description": "Both www and non-www versions respond with 200 — one should redirect to the other",
"recommendation": "Choose either www or non-www as canonical and redirect the other with a 301"
},
{
"module": "brand-checker",
"severity": "medium",
"title": "No Organization schema",
"description": "No Organization JSON-LD found",
"recommendation": "Add Organization structured data with name, logo, and contact information"
},
{
"module": "crawl-budget",
"severity": "medium",
"title": "No sitemap.xml found",
"description": "sitemap.xml returned HTTP 404",
"recommendation": "Create a sitemap.xml to help search engines discover all pages"
}
]
}
```Đề xuất cho ngành của bạn
- 1Đảm bảo tuân thủ tiêu chuẩn WCAG 2.1 AA
- 2Triển khai tất cả các tiêu đề bảo mật được đề xuất
- 3Đảm bảo sơ đồ trang web bao gồm tất cả các trang quan trọng
- 4Tối ưu hóa thời gian tải trang xuống dưới 2 giây
- 5Đảm bảo thiết kế đáp ứng trên tất cả các trang
Danh sách kiểm tra SEO cho Chung
Mẹo cho trang web Hỗn hợp
- →Xác định các trang đích rõ ràng cho từng phân khúc
- →Sử dụng các chiến lược meta khác nhau cho từng nhóm trang
- →Phân đoạn sơ đồ trang web theo loại nội dung
Bối cảnh SEO địa phương
Tây Ban Nha có thương mại điện tử đang phát triển và tìm kiếm trên di động chiếm ưu thế.