| Check | Result | Detail | Source |
|---|
| ISSN registered (ISSN Portal) | BAD 0/8 | no record for this ISSN | portal.issn.org |
| ISSN key-title matches | NA 0/3 | not checked | portal.issn.org |
| Journal website live and on HTTPS | OK 3/3 | HTTP 200 in 0.4s | www.kardio.hr |
| Editorial board / editor named on the site | BAD 0/4 | no editorial board / editor found on the homepage | www.kardio.hr |
| ISSN displayed on the site | WARN 0/3 | ISSN not found on the homepage | www.kardio.hr |
| Contact address / email published | OK 2/2 | contact found | www.kardio.hr |
| Publisher identified | OK 2/2 | Medical Publishing, d.o.o. | api.crossref.org |
| Peer-review policy published | BAD 0/7 | no peer-review policy found | www.kardio.hr |
| Publication ethics / malpractice policy | BAD 0/6 | no ethics / malpractice statement | www.kardio.hr |
| Plagiarism screening stated | WARN 0/3 | no screening statement | www.kardio.hr |
| No predatory-style red flags | OK 9/9 | none detected | www.kardio.hr |
| Crossref member — DOIs registered | OK 5/5 | 2592 DOIs on record | api.crossref.org |
| Crossref metadata completeness (current articles) | WARN 4/6 | abstracts 0% · licences 0% · ORCIDs 99% · references 98% | api.crossref.org |
| DOIs displayed as links on the site | WARN 0/2 | no doi.org links on the homepage | www.kardio.hr |
| OAI-PMH endpoint and Google Scholar tags | WARN 0/3 | no OAI link seen · no citation_* tags on homepage | www.kardio.hr |
| Registered DOIs resolve to a live page | NA 0/2 | not checked — no DOI check has been run for this journal | |
| Articles on the site carry a registered DOI | NA 0/2 | not checked — no DOI census has been run for this journal | |
| Preservation (Keepers Registry / archives) | NA 0/6 | not checked | portal.issn.org |
| Creative Commons licence stated | WARN 0/4 | no licence statement found | www.kardio.hr |
| APC / fee transparency | WARN 0/3 | no statement about fees | www.kardio.hr |
| Open-access statement | WARN 0/2 | no OA statement | www.kardio.hr |
| Listed in DOAJ | WARN 0/6 | not in DOAJ | doaj.org |
| Indexed and cited in OpenAlex | OK 5/5 | 2636 works · 578 citations · h-index 7 | openalex.org |
| Citation depth (h-index ≥ 5) | OK 1/2 | h-index 7 | openalex.org |
| Other verified index / registry listings | NA 0/2 | none recorded | |
The Journal Trust Rating is computed by Smart Scholars from public registries (ISSN Portal, Crossref, DOAJ, OpenAlex, Keepers Registry) and the journal's own website at the time shown. It is not an impact factor and does not assess the quality of individual articles. Methodology: https://institutions.smartscholars.in/methodology.php. Verify this certificate: https://scholar.smartscholars.in/check.php?q=1848-543X