core.ac.uk
🖥 Status: up
🕒 Response Time: 0.071 sec
⬅️ Response Code: 200
The total accessibility tests of core.ac.uk done over 2 062 days starting December 21, 2020, stands at 209. The most recent uptime recorded on June 30, 2026, giving a 200 code, core.ac.uk was functional 205 times throughout all tests performed. Core.ac.uk experienced downtime in 1 instances, making up 0.48% of all inspections, with the most recent occurrence noted on May 22, 2023. The most current error on April 9, 2026, was error code 502 out of the 3 error responses received. A response time of 0.071 seconds was noted for core.ac.uk on June 30, 2026, against an average of 0.446 seconds.
209
Last Updated: June 30, 2026
Core overview
- Domain
- core.ac.uk
- Title
- The world’s largest collection of open access research papers
- Description
- The world’s largest collection of open access research papers
- R Site Status Rank
- 9 470
- Search Wikipedia
- core.ac.uk
- Alternatives
- alternatives to core.ac.uk
- Recently checked
- prpb.gov.in
journalducameroun.com
Last Updated: May 13, 2026
Status: up
Response Time: 0.427 sec
Response Code: 200
Core.ac.uk
status check request map as of August 14, 2026
Country report for core.ac.uk as of August 14, 2026
| Russia | 100.00% | ||||||||
| 05:02 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 13 | March 31, 2024 | |
| 17 | November 21, 2024 | |
| 209 | December 21, 2020 | |
| 24 | September 4, 2024 | |
| 16 | November 20, 2024 |
Pordata.pt | Core.ac.uk | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for core.ac.uk: Maximize technical performance in SEO by strictly adhering to the recommended best practices for HTML title tag structure, length specifications, and content relevance, integrating strategic keyword placement with comprehensive understanding of technical SEO factors impacting website core ranking signals. |
|---|---|
| The world’s largest collection of open access research papers Length: 67 characters | |
| Meta Description | Meta Description tips for core.ac.uk: Don't overlook the power of a well-crafted meta description; it's the text users see before clicking, directly impacting click-through rates and potentially influencing your organic search ranking for targeted searches. |
| The world’s largest collection of open access research papers Length: 67 characters | |
| Meta Keywords | Meta Keywords tips for core.ac.uk: For optimal SEO, shift your focus away from meta keywords; invest those resources into creating valuable, comprehensive information that genuinely satisfies user search queries and builds authority. |
| no meta keywords data for core.ac.uk 2026-08-14T13:50:36+00:00 | |
| Page Content | Page Content tips for core.ac.uk: Diversify your page content by incorporating multimedia elements like high-resolution images, embedded videos, infographics, and interactive tools to cater to different audience preferences, enhance user experience, and potentially improve SEO signals. |
| Web Page Content Length: 40841 characters | |
| H1 Heading | H1 Heading tips for core.ac.uk: Aesthetically, your website's H1 header text should be prominently displayed, often with unique styling, font size, or color, reinforcing its importance to users and visually anchoring the page's primary message within the surrounding content. |
| no h1 heading data for core.ac.uk 2026-08-14T13:50:36+00:00 | |
| H2 Headings | H2 Headings tips for core.ac.uk: While H2 tags primarily serve SEO and readability, they also contribute to a website's brand consistency by reinforcing formatting and visual structure across various content pages. |
| A comprehensive bibliographic database of the world’s scholarly literature The world’s largest collection of open access research papers Machine access to our vast unique full text corpus CORE features Count: 4 heading tag | |
| H3 Headings | H3 Headings tips for core.ac.uk: Incorporate question-based H3 headers to directly address common user questions or pain points, leveraging this conversational approach to boost engagement, clarify complex topics, and potentially improve rankings for conversational keyword phrases related to user intent. |
| Access to raw data Content discovery OAI identifiers Managing content Bespoke contracts Support us About Community governance Innovations Join CORE Cost-free PIDs for your repository Who we serve? Our services Count: 13 heading tag | |
| H4 Headings | H4 Headings tips for core.ac.uk: Employing clear and concise H4 headers helps search engine bots understand the hierarchy and topical relevance of different sub-sections within an H3, aiding content ranking. |
| Access to raw data Content discovery Managing content Gareth Malcolm Kathleen Shearer Burton Davis Count: 6 heading tag | |
| H5-H6 Headings | H5-H6 Headings tips for core.ac.uk: Avoid using H5 and H6 tags as a replacement for proper paragraph structure or basic lists; reserve these HTML elements for defining clear, hierarchical sub-levels within content where standard H1-H4 headers have reached their semantic limit. |
| Companies Academic institutions Researchers & general public Funders Indexing the world’s repositories Comprehensive data coverage Powerful services Cutting-edge solutions Gareth Malcolm, Content Partner Manager at Turnitin Nicola Dowson, Library Services Manager at Open University Jon Tennant, Rogue Paleontologist and Founder of the Open Science MOOC Ben Johnson, Research Policy Adviser at Research England Product Organisation Support Writing about CORE? Count: 16 heading tag | |
| Image ALT Attributes | Image ALT Attributes tips for core.ac.uk: Avoid generic or empty ALT attributes like "image" or "picture" for non-decorative images; instead, craft concise text describing the image content or its function, significantly improving semantic structure and ensuring the visual element contributes meaningfully to page content and SEO. |
| no image alt attributes data for core.ac.uk 2026-08-14T13:50:36+00:00 | |
| Robots.txt | Robots.txt tips for core.ac.uk: The robots.txt file itself is not indexed by search engines, but its directives are, so you should avoid including sensitive login credentials, private API keys, or other sensitive information within the file itself as these details could be exposed. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for core.ac.uk: A well-maintained XML sitemap significantly aids search engine crawlers in navigating deep link structures, improving the index coverage of your site and potentially helping less popular pages gain the visibility they deserve in search rankings. |
| no xml sitemap data for core.ac.uk 2026-08-14T13:50:36+00:00 | |
| Page Size | Page Size tips for core.ac.uk: Users will abandon your site quickly if it loads slowly due to large file sizes; keeping the overall page weight minimal is key to retaining visitors and reducing bounce rates significantly. |
| page size: 40 kb | |
| Response Time | Response Time tips for core.ac.uk: Employ efficient routing and load balancing strategies across multiple application servers or cloud instances; distribute incoming traffic effectively, reducing the load on any single server and thus helping maintain consistent low server response times during periods of high demand. |
| response time: 0.446 sec | |
| Minify CSS | Minify CSS tips for core.ac.uk: Prioritize the removal of all whitespace characters in CSS code utilizing efficient minification algorithms to shorten file length, thus enhancing website responsiveness across all devices and contributing to an improved SEO ranking for better online visibility. |
| Minified: /_next/static/css/a59dd4a8d2778e4f62ab.css /_next/static/css/a51ecc0a05be3045ad37.css /_next/static/css/9291334e99a2ef6b9145.css /_next/static/css/3284f1310b1d20168010.css included in the page | |
| Minify JavaScript | Minify JavaScript tips for core.ac.uk: Modern JavaScript bundlers like Webpack or Rollup often include built-in minification or tree-shaking options that automatically remove dead code and minify output files, streamlining the process for creating high-performance web applications. |
| Minified: /_next/static/chunks/polyfills-1fa0ce8a429103f107e7.js /_next/static/chunks/webpack-ae0f28092b61e7aaf1c8.js /_next/static/chunks/framework.898ed9c4190ec62ba669.js /_next/static/chunks/commons.40914008aeb4fa12e103.js /_next/static/chunks/main-85f2e5ed64279f9facb8.js /_next/static/chunks/b5f2ed29.441239f4fc365a69741a.js /_next/static/chunks/e82996df.86a4b1a61816698443e2.js /_next/static/chunks/c3f7f8607465e617b299e6671ee3987d5fa63bf3.4da62e88e85391ffe61b.js /_next/static/chunks/d4724269a42ff2517c4025d0beda2692c5594bc9.fc4d97994f8da4acdba3.js /_next/static/chunks/69f785c1a9b276ccb372885623ae0ecb0053519b.b52fa29e7da844edd8e7.js /_next/static/chunks/69f785c1a9b276ccb372885623ae0ecb0053519b_CSS.ddce25b62cf34b951439.js /_next/static/chunks/d46a588f3493bf286384f5488b19222037b6d567.ae093e90d5f38d3f1f45.js /_next/static/chunks/9c353c8ac20eb1f739641e3bcf47b76d12dc6fca.5bef5000c8678a2b84c5.js /_next/static/chunks/pages/_app-701a5ab759497ef2c6e6.js /_next/static/chunks/5ace46409b4045b74a822c2cfd1dd889fde8a0b5.54ad117b1078a58c153d.js /_next/static/chunks/5ace46409b4045b74a822c2cfd1dd889fde8a0b5_CSS.34e373399cdc573d23ed.js /_next/static/chunks/pages/index-17091c6c1d3ed6d76d28.js /_next/static/O0DugM4qJrAt8iiSC8i4s/_buildManifest.js /_next/static/O0DugM4qJrAt8iiSC8i4s/_ssgManifest.js https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015 detected during site scan | |
| Structured Data | Structured Data tips for core.ac.uk: Implementing Person Schema helps search engines understand your team members, their roles, and professional details like publication history or education which aids in establishing authority and credibility |
| no structured data data for core.ac.uk 2026-08-14T13:50:36+00:00 | |
| CDN Usage | CDN Usage tips for core.ac.uk: Distribute all static, immutable assets including favicons, fonts, and pre-rendered images across your global CDN network instead of keeping them locally on your origin server for maximal performance gains. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for core.ac.uk: SSL technology encrypts the data exchanged between a user's browser and your server, providing a vital layer of defense against man-in-the-middle attacks and unauthorized access to sensitive information. |
| SSL is enabled on the website |
Estimated Traffic
| Minimum Daily Unique Visitors: | 28 172 |
| Minimum Daily Visits: | 32 924 |
| Minimum Daily Page Views: | 56 683 |
| Minimum Monthly Unique Visitors: | 845 160 |
| Minimum Monthly Visits: | 987 720 |
| Minimum Monthly Page Views: | 1 700 490 |
| Minimum Yearly Unique Visitors: | 10 141 920 |
| Minimum Yearly Visits: | 11 852 640 |
| Minimum Yearly Page Views: | 20 405 880 |
| Maximum Daily Unique Visitors: | 35 639 |
| Maximum Daily Visits: | 38 015 |
| Maximum Daily Page Views: | 64 150 |
| Maximum Monthly Unique Visitors: | 1 069 170 |
| Maximum Monthly Visits: | 1 140 450 |
| Maximum Monthly Page Views: | 1 924 500 |
| Maximum Yearly Unique Visitors: | 12 830 040 |
| Maximum Yearly Visits: | 13 685 400 |
| Maximum Yearly Page Views: | 23 094 000 |
Estimated Valuation
| Daily Revenue: | US$ 41 - 92 |
| Monthly Revenue: | US$ 1 230 - 2 760 |
| Yearly Revenue: | US$ 14 760 - 33 120 |
Estimated Worth
| Minimum: | US$ 22 140 |
| Maximum: | US$ 99 360 |
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