opencores.org
Registered
Page analyze update date:
2026/02/10 23:13:02
Last whois update date:
2026/01/17 14:52:08
Domain Status
Registered
Paid till
18.09.2026
Available from
18.10.2026
×
![Fullscreen website screenshot]()
opencores.org Website screenshot
SEO Score
44.52%
65
Score achieved
146
Maximum score
Main Information
Title: Home :: OpenCores
Description: empty
Keywords: cores, VHDL, Verilog HDL, ASIC, Synthesizable, standard cell, IP, Intellectual Property, 32-bit RISC, UART, PCI, SDRAM, full custom, system on a chip, SOC, reusable, design, development, synthesis, designs, developers, C, Linux, eCos, open, free, open source cores, RTL code, system-on-a-chip, circuits, digital, GNU, GPL, core, controller, processor, system design, chip design, EDA, design methodology, design tools, ASICs, programmable logic, FPGA
Page Encoding:
utf-8
Page Filesize: 525 KB
Server Information
IP: 37.97.232.80
Location: The Netherlands,NL,Houten,3994,52.0223,5.1895,Europe/Amsterdam
Http Server: nginx/1.16.0
Encoding: utf-8
Meta Tags List
- equiv: Content-type content: text/html; charset=utf-8
- name: keywords content: cores, VHDL, Verilog HDL, ASIC, Synthesizable, standard cell, IP, Intellectual Property, 32-bit RISC, UART, PCI, SDRAM, full custom, system on a chip, SOC, reusable, design, development, synthesis, designs, developers, C, Linux, eCos, open, free, open source cores, RTL code, system-on-a-chip, circuits, digital, GNU, GPL, core, controller, processor, system design, chip design, EDA, design methodology, design tools, ASICs, programmable logic, FPGA's, PLDs, CPLDs, verification, Synthesis, HDL, Simulation, IC design software, semiconductor design, integrated circuits, system designs, chip designs, EDAs, design methodologies, design tool, ASIC, programmable logics, FPGA, PLD, CPLD, Synthesis, circuit, Synopsys, system design, chip design, programmable logic, FPGA's, PLDs, CPLDs, verification, Simulation
- equiv: X-UA-Compatible content: IE=edge
- equiv: origin-trial content: AlK2UR5SkAlj8jjdEc9p3F3xuFYlF6LYjAML3EOqw1g26eCwWPjdmecULvBH5MVPoqKYrOfPhYVL71xAXI1IBQoAAAB8eyJvcmlnaW4iOiJodHRwczovL2RvdWJsZWNsaWNrLm5ldDo0NDMiLCJmZWF0dXJlIjoiV2ViVmlld1hSZXF1ZXN0ZWRXaXRoRGVwcmVjYXRpb24iLCJleHBpcnkiOjE3NTgwNjcxOTksImlzU3ViZG9tYWluIjp0cnVlfQ==
- equiv: origin-trial content: Amm8/NmvvQfhwCib6I7ZsmUxiSCfOxWxHayJwyU1r3gRIItzr7bNQid6O8ZYaE1GSQTa69WwhPC9flq/oYkRBwsAAACCeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiV2ViVmlld1hSZXF1ZXN0ZWRXaXRoRGVwcmVjYXRpb24iLCJleHBpcnkiOjE3NTgwNjcxOTksImlzU3ViZG9tYWluIjp0cnVlfQ==
- equiv: origin-trial content: A9nrunKdU5m96PSN1XsSGr3qOP0lvPFUB2AiAylCDlN5DTl17uDFkpQuHj1AFtgWLxpLaiBZuhrtb2WOu7ofHwEAAACKeyJvcmlnaW4iOiJodHRwczovL2RvdWJsZWNsaWNrLm5ldDo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
- equiv: origin-trial content: A93bovR+QVXNx2/38qDbmeYYf1wdte9EO37K9eMq3r+541qo0byhYU899BhPB7Cv9QqD7wIbR1B6OAc9kEfYCA4AAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
- equiv: origin-trial content: A1S5fojrAunSDrFbD8OfGmFHdRFZymSM/1ss3G+NEttCLfHkXvlcF6LGLH8Mo5PakLO1sCASXU1/gQf6XGuTBgwAAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXRhZ3NlcnZpY2VzLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
Internal Links
External Links
Whois Information
domain_name: opencores.org
update_date: 2025-11-24T21:47:33.935Z
update_time: 1764020853
creation_date: 1999-09-18T23:59:05Z
creation_time: 937699145
expiration_date: 2026-09-18T23:59:05Z
Whois Raw Data
Domain Name: OPENCORES.ORG
Registrar: Key-Systems GmbH
Domain Status: client transfer prohibited
Registry Expiry Date: 2026-09-18T23:59:05Z
Creation Date: 1999-09-18T23:59:05Z
Updated Date: 2025-11-24T21:47:33.935Z
Name Server: NS0.TRANSIP.NET
Name Server: NS1.TRANSIP.NL
Name Server: NS2.TRANSIP.EU
REGISTRAR Contact: Key-Systems GmbH
>>> Last update of RDAP database: 2026-01-17T17:52:08Z
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
538314 bytes
Page size acceptable for fast loading.
✓
Resources
29 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
Not detected
Enable gzip or zstd compression to reduce file sizes.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
10.99 ms
Excellent loading speed.
On-Page SEO
!
Title
Home :: OpenCores
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
13 found - "What is OpenCores?"
Use only one H1 heading per page. Remove extra H1 tags.
✓
Word Count
6210
Content very comprehensive. Consider breaking into multiple pages if too long.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
cores, VHDL, Verilog HDL, ASIC, Synthesizable, standard cell, IP, Intellectual Property, 32-bit RISC, UART, PCI, SDRAM, full custom, system on a chip, SOC, reusable, design, development, synthesis, designs, developers, C, Linux, eCos, open, free, open source cores, RTL code, system-on-a-chip, circuits, digital, GNU, GPL, core, controller, processor, system design, chip design, EDA, design methodology, design tools, ASICs, programmable logic, FPGA
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
!
Images
10 total, 1 missing ALT
Add ALT text to images for accessibility and SEO.
!
Viewport
Add viewport meta tag for mobile responsiveness.
!
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 |
|---|---|---|---|
| 7(-2) | / | ||
| 27 | / | ||
| 27 | / | ||
| 49 | / | ||
| 71 | / | ||
| 97 | / |
Positions in Yandex
Search Phrases - Yandex
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 37 | / |