cerist.dz
CERIST (Centre de Recherche sur l'Information Scientifique et Technique ) - CERIST
Last scanned Aug 5, 2026, 1:00 PM · 25 views
Overall score
Fair
Summary
Centre de Recherche sur l'Information Scientifique et Technique. This website uses Apache. SEO is fair (55/100) and accessibility is fair (60/100). Security scores fair (60/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Centre de Recherche sur l'Information Scientifique et Technique
Top issues to fix
9 issues found · 2 high priority
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+3 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
1.28 s
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
+3 overall since Jul 26, 2026
- Overall
- 66
- SEO
- 55
- Security
- 60
- Performance
- 90
- Accessibility
- 60
Organization
Company details published in this site's own structured data.
Centre de Recherche sur l'Information Scientifique et Technique
Meta tags
- Title
- CERIST (Centre de Recherche sur l'Information Scientifique et Technique ) - CERIST
- Description
- Centre de Recherche sur l'Information Scientifique et Technique
- Canonical
- Language
- fr-fr
- Charset
- utf-8
- Viewport
- width=device-width; initial-scale=1.0
- Robots meta
- 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
- Let's Encrypt
- Subject
- www.cerist.dz
- Valid from
- Jul 29, 2026
- Valid to
- Oct 27, 2026
- Days until expiry
- 83
- SAN domains
- www.cerist.dz
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 8 · H3 15
Links
153 internal · 9 external · 17 broken
Images
10 total · 9 missing alt
Scripts / Styles
22 scripts · 17 stylesheets
JS / CSS size
207 KB · 52.1 KB
Page size
757 B
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 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 issues
- Over half of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://cerist.dz
- Final URL
- https://www.cerist.dz/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 1.28 s
- HTML size
- 757 B
- Redirect chain
- https://cerist.dz → https://www.cerist.dz/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cerist.dz use?
- cerist.dz is built with Joomla, jQuery, Google Analytics, Apache.
- Is cerist.dz secure (HTTPS)?
- Yes. cerist.dz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 27, 2026.
- Who hosts cerist.dz?
- Hosting provider information for cerist.dz is not available yet.
- What is cerist.dz's SEO score?
- cerist.dz scored 55/100 for SEO in the latest analysis (fair).
- What is cerist.dz's overall website score?
- cerist.dz has an overall SiteGraph score of 66/100, combining SEO, performance, security, and accessibility.
- Has cerist.dz's score changed over time?
- cerist.dz's overall score has improved by 3 points (from 63 to 66) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card