hal.science
Registered
Page analyze update date:
2026/03/29 03:36:37
Last whois update date:
2026/01/26 11:15:07
Domain Status
Registered
Paid till
11.12.2029
Available from
10.01.2030
×
![Fullscreen website screenshot]()
hal.science Website screenshot
SEO Score
74.66%
109
Score achieved
146
Maximum score
Main Information
Title: Accueil - Archive ouverte HAL
Description: empty
Keywords: empty
Page Encoding:
utf-8
Page Filesize: 63 KB
Server Information
IP: 193.48.96.10
Location: France,FR,Méry,73420,45.6437,5.9436,Europe/Paris
Http Server: nginx
Encoding: utf-8
Meta Tags List
- charset: UTF-8
- name: viewport content: width=device-width, initial-scale=1, shrink-to-fit=no
- name: msapplication-TileColor content: #000092
- name: theme-color content: #ffffff
Internal Links
External Links
Whois Information
domain_name: hal.science
update_date: 2025-10-14T19:10:56Z
update_time: 1760469056
creation_date: 2020-12-11T13:53:25Z
creation_time: 1607694805
expiration_date: 2029-12-11T13:53:25Z
Whois Raw Data
Domain Name: HAL.SCIENCE
Registrar: OVH sas
Domain Status: client delete prohibited
Domain Status: client transfer prohibited
Creation Date: 2020-12-11T13:53:25Z
Registry Expiry Date: 2029-12-11T13:53:25Z
Updated Date: 2025-10-14T19:10:56Z
Name Server: CCPNVX.IN2P3.FR
Name Server: CCPNTC3.IN2P3.FR
Name Server: CCSD02.IN2P3.FR
REGISTRAR Contact: OVH sas
>>> Last update of RDAP database: 2026-01-26T14:15:07Z
Robots.txt
# HAL robots.txt # If you want to download lots of metadata, please use our API at https://api.archives-ouvertes.fr/ # The API is far more efficient for metadata harvesting # To learn more, please contact [email protected] User-Agent: * Disallow: /RePEc/ Disallow: /search/ Disallow: /*/search/ Disallow: /*/browse/last Disallow: /browse/last Disallow: /*/browse/latest-publications Disallow: /browse/latest-publications Disallow: /browse/domain Disallow: /*/browse/domain Disallow: /browse/author-structure Disallow: /*/browse/author-structure Disallow: /browse/laboratory Disallow: /*/browse/laboratory Disallow: /browse/author Disallow: /*/browse/author Disallow: */tei Disallow: */rdf Disallow: */bibtex Disallow: */dc Disallow: */datacite Disallow: */openaire Disallow: */dcterms Disallow: */endnote Disallow: */json Disallow: /ping Disallow: /login Disallow: /submit Disallow: /user Disallow: /*/user/* Disallow: /error Disallow: */preview/* Disallow: /view/resolver/* Disallow: */ajax* Disallow: */widget* User-agent: SemanticScholarBot Crawl-delay: 5 User-agent: TurnitinBot Crawl-delay: 5 User-agent: MegaIndex.ru Disallow: / User-agent: SemrushBot Disallow: / User-agent: SemrushBot-SA Disallow: / User-agent: Seekport Crawler Disallow: / User-agent: ltx71 - (http://ltx71.com/) Disallow: / User-agent: AhrefsBot Disallow: / User-agent: Riddler Disallow: / User-agent: CCBot Disallow: / User-agent: ChatGPT-User Disallow: / User-agent: Diffbot Disallow: / User-agent: GPTBot Disallow: / User-agent: Google-Extended Disallow: / User-agent: Omgilibot Disallow: / User-agent: omgili Disallow: / User-agent: FacebookBot Disallow: / User-agent: cohere-ai Disallow: / User-agent: anthropic-ai Disallow: / User-agent: Bytespider Disallow: / User-agent: Amazonbot Disallow: / User-agent: Applebot Disallow: / User-agent: Applebot-Extended Disallow: / User-agent: PerplexityBot Disallow: / User-agent: YouBot Disallow: / User-agent: AdsBot-Google Disallow: / User-agent: AwarioRssBot Disallow: / User-agent: AwarioSmartBot Disallow: / User-agent: ClaudeBot Disallow: / User-agent: Claude-Web Disallow: / User-agent: DataForSeoBot Disallow: / User-agent: FriendlyCrawler Disallow: / User-agent: GoogleOther Disallow: / User-agent: ImagesiftBot Disallow: / User-agent: magpie-crawler Disallow: / User-agent: Meltwater Disallow: / User-agent: peer39_crawler Disallow: / User-agent: PiplBot Disallow: / User-agent: Seekr Disallow: / User-agent: Meta-ExternalAgent Disallow: / User-agent: Timpibot Disallow: / User-agent: SummalyBot Disallow: / User-agent: facebookexternalhit Disallow: / User-agent: Google-Extended Disallow: / User-agent: ICC-Crawler Disallow: / User-agent: img2dataset Disallow: / User-agent: OAI-SearchBot Disallow: / User-agent: Omgilibot Disallow: / User-agent: PetalBot Disallow: / User-agent: Scrapy Disallow: / User-agent: VelenPublicWebCrawler Disallow: / # Sitemap Sitemap: http://hal.science/robots/sitemap
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
65278 bytes
Page size acceptable for fast loading.
✓
Resources
32 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
✓
Caching
no-store, no-cache, must-revalidate
Cache-control headers properly set.
✓
Page Speed
1.23 ms
Excellent loading speed.
On-Page SEO
!
Title
Accueil - Archive ouverte HAL
Title too short. Expand to 30-60 characters for better SEO.
!
Meta Description
empty Lenght:5
Meta description too short. Expand to 100-160 characters.
✓
H1 Heading
1 found - "Partager librement les savoirs"
Good - single H1 heading found.
✓
Word Count
774
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
empty
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
fr
Language attribute properly set.
✓
Images
9 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 1 | /jpa-00226121/document | ||
| 2 | /hal-02279038v4/file/2020jmb_ru.pdf | ||
| 4 | /hal-01561424/document | ||
| 4 | /hal-01986701/document | ||
| 4 | /hal-01304353v4/file/2009BMB2_ru.pdf | ||
| 5 | /hal-01304353v4/file/2009bmb2_ru.pdf | ||
| 6 | /hal-02408779v1/document | ||
| 6 | /hal-05104992v1/file/1-s2.0-S0272884225008004-main.pdf | ||
| 6 | /hal-04085041v1/document | ||
| 6 | /hal-03326496/ |