istanbul.edu.tr
İstanbul Üniversitesi | Açık Kapı, Açık Bilim
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Fair
Summary
İstanbul Üniversitesi | Tarihten Geleceğe Bilim Köprüsü - 1453. This website uses Google Analytics. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance poor (40/100). Top issue: Multiple H1 headings found.
İstanbul Üniversitesi | Tarihten Geleceğe Bilim Köprüsü - 1453
Top issues to fix
8 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Slow estimated load (12.9s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
12.88 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
İstanbul Üniversitesi | Tarihten Geleceğe Bilim Köprüsü - 1453
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- İstanbul Üniversitesi | Açık Kapı, Açık Bilim
- Description
- İstanbul Üniversitesi | Tarihten Geleceğe Bilim Köprüsü - 1453
- Canonical
- https://www.istanbul.edu.tr/Default.aspx
- Language
- tr
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1,maximum-scale=1
- Robots meta
- index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
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 1.3
- Issuer
- DigiCert Inc
- Subject
- *.istanbul.edu.tr
- Valid from
- May 12, 2026
- Valid to
- Nov 26, 2026
- Days until expiry
- 123
- SAN domains
- *.istanbul.edu.tr, www.istanbul.edu.tr, istanbul.edu.tr
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 12 · H2 7 · H3 7
Links
7 internal · 34 external · 12 broken
Images
12 total · 0 missing alt
Scripts / Styles
12 scripts · 13 stylesheets
JS / CSS size
4.3 MB · 558 KB
Page size
149 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
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://istanbul.edu.tr
- Final URL
- https://www.istanbul.edu.tr/tr
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 12.88 s
- HTML size
- 149 KB
- Redirect chain
- https://istanbul.edu.tr → https://www.istanbul.edu.tr/ → https://www.istanbul.edu.tr/tr
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does istanbul.edu.tr use?
- istanbul.edu.tr is built with Bootstrap, jQuery, Google Analytics.
- Is istanbul.edu.tr secure (HTTPS)?
- Yes. istanbul.edu.tr uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 26, 2026.
- Who hosts istanbul.edu.tr?
- Hosting provider information for istanbul.edu.tr is not available yet.
- What is istanbul.edu.tr's SEO score?
- istanbul.edu.tr scored 85/100 for SEO in the latest analysis (great).
- What is istanbul.edu.tr's overall website score?
- istanbul.edu.tr has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card