hdfgroup.org
🖥 Status: up
🕒 Response Time: 1.408 sec
⬅️ Response Code: 200
November 18, 2024, started the 434 day period in which hdfgroup.org had 439 availability tests performed. Hdfgroup.org has been up 439 times out of all the assessments conducted, with its last operation on January 21, 2026, resulting in a 200 status code. Checks indicated no cases of hdfgroup.org being out of service as of January 27, 2026. Based on the responses that were received, as of January 27, 2026, every response has been free of errors. In contrast to the average of 1.562 seconds, hdfgroup.org's response time on January 21, 2026, was 1.408 seconds.
439
Last Updated: January 21, 2026
| Other Countries | 50.00% | ||||||||
| United States | 50.00% | ||||||||
| 02:16 | 02:17 | ||||||||
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| Site | Total Checks | Last Modified |
|---|---|---|
| 35 | June 17, 2022 | |
| 30 | July 22, 2024 | |
| 439 | November 18, 2024 | |
| 21 | May 26, 2024 | |
| 2 | January 15, 2025 |
Theon.tv | Hdfgroup.org | ||||
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| Page Title | Researching and selecting target keywords is fundamental; their strategic placement near the start of the website title, within the 60-character constraint, enhances the page's relevance and ranking potential for search queries. |
|---|---|
| The HDF Group - The HDF Group - ensuring long-term access and usability of HDF data and supporting users of HDF technologies Length: 124 characters | |
| Meta Description | Meta descriptions act as digital doorways, requiring concise (under 160 characters) yet compelling wording that integrates your primary keyword naturally for improved search visibility and click-through rates from Google's organic results page snippets, effectively summarizing page content for impatient users scrolling through SERPs. |
| Our non-profit mission is to ensure efficient and equitable access to science and engineering data across platforms and environments, now and forever. The HDF Group develops and maintains the feature-packed HDF5® technology suite, which is backed by complementary services. While help is available in the vast ecosystem, our experience and expertise will give you the […] Length: 382 characters | |
| Meta Keywords | Historically misused for spam, website meta keywords are now largely ignored by modern search engines like Google in their ranking algorithms, making them a deprecated SEO technique. |
| no meta keywords data for hdfgroup.org 2026-01-27T14:28:35+00:00 | |
| Page Content | Foster topical authority by developing comprehensive page content covering deep aspects within a specific niche, interlinking related topics internally to demonstrate expertise and encourage longer user engagement with your website. |
| Web Page Content Length: 79050 characters | |
| H1 Heading | Using the correct HTML semantic structure, specifically the H1 tag for the primary title, is essential not just for SEO but also for improving website accessibility according to WCAG guidelines for screen reader users. |
| no h1 heading data for hdfgroup.org 2026-01-27T14:28:35+00:00 | |
| H2 Headings | Maintain a logical flow in your document structure by ensuring H2 tags appear in a clear hierarchy, followed by relevant text content, making your website's source code cleaner and more user-friendly. |
| Got HDF5? Follow us Support HDF5 Latest Posts Get Started Connect Count: 6 heading tag | |
| H3 Headings | Incorporate H3 headers strategically to enhance on-page SEO by highlighting key points within your content sections, signaling improved structure and readability to both users and search engine crawlers for better engagement. |
| no h3 headings data for hdfgroup.org 2026-01-27T14:28:35+00:00 | |
| H4 Headings | Using H4 elements effectively organizes supplementary or secondary information that follows a main H3 point, thereby creating a clear, navigable content hierarchy that improves user experience and content comprehension. |
| no h4 headings data for hdfgroup.org 2026-01-27T14:28:35+00:00 | |
| H5-H6 Headings | Employ H5 and H6 tags primarily within complex documentation sections or detailed footers to maintain a logical hierarchy without compromising the overall page SEO structure significantly. |
| Weekly HDF Clinic Count: 1 heading tag | |
| Image ALT Attributes | While optimizing ALT text for keywords is beneficial, never sacrifice clarity and accuracy for the sake of stuffing irrelevant keywords, as this can hurt your SEO. |
| https://www.hdfgroup.org/wp-content/uploads/2018/11/horizontallogo-transparent-250x49.png https://www.hdfgroup.org/wp-content/uploads/2025/11/HDF5-2-0-0-Release.png Count: 2 images with ALT attributes | |
| Robots.txt | Use the robots.txt file to disallow access to temporary directories, development sandboxes (like "/sandbox/" or "/dev/"), or testing environments ("/test/*") to prevent these non-production areas from cluttering search engine indexes with transient content. |
| file robots.txt was found on the website | |
| XML Sitemap | Submitting your XML sitemap to Bing Search Center complements your Google submission strategy, ensuring that Microsoft's Bing search engine crawlers are also effectively discovering and indexing all the essential pages and valuable content of your website. |
| no xml sitemap data for hdfgroup.org 2026-01-27T14:28:35+00:00 | |
| Page Size | Hosting static assets like images and fonts on a Content Delivery Network (CDN) can further optimize load times, complementing page size reduction efforts for improved SEO performance. |
| page size: 77 kb | |
| Response Time | Faster websites rank better in search engines, so focus on improving page response time through techniques like code compression, leveraging browser caching, and utilizing efficient hosting solutions. |
| response time: 1.562 sec | |
| Minify CSS | For optimal SEO results and user satisfaction, consistently apply CSS minification techniques to your website, focusing on removing every ounce of unnecessary whitespace and commenting while maintaining full browser compatibility; this directly translates to faster Core Web Vitals, quicker page loads, and higher search rankings. |
| Minified: https://www.hdfgroup.org/wp-content/themes/astra/assets/css/minified/main.min.css?ver=4.11.12 https://www.hdfgroup.org/wp-includes/css/dist/block-library/style.min.css?ver=6.8.2 https://use.fontawesome.com/releases/v6.7.2/css/all.css?ver=6.8.2 https://www.hdfgroup.org/wp-content/plugins/download-manager/assets/css/front.min.css?ver=6.8.2 https://www.hdfgroup.org/wp-content/themes/astra/style.css?ver=6.8.2 https://www.hdfgroup.org/wp-content/uploads/tlp-team/team-sc.css?ver=1744138141 https://www.hdfgroup.org/wp-content/plugins/gravityforms/assets/css/dist/gravity-forms-theme-reset.min.css?ver=2.9.17.1 https://www.hdfgroup.org/wp-content/plugins/gravityforms/assets/css/dist/gravity-forms-theme-foundation.min.css?ver=2.9.17.1 https://www.hdfgroup.org/wp-content/plugins/gravityformssurvey/assets/css/dist/theme-foundation.min.css?ver=6.8.2 https://www.hdfgroup.org/wp-content/plugins/gravityforms/assets/css/dist/gravity-forms-theme-framework.min.css?ver=2.9.17.1 https://www.hdfgroup.org/wp-content/plugins/gravityformssurvey/assets/css/dist/theme-framework.min.css?ver=6.8.2 https://www.hdfgroup.org/wp-content/plugins/gravityforms/assets/css/dist/gravity-forms-orbital-theme.min.css?ver=2.9.17.1 Unminified: https://www.hdfgroup.org/wp-content/plugins/auth0/assets/css/main.css?ver=6.8.2 https://www.hdfgroup.org/wp-content/plugins/tlp-team/assets/css/tlpteam.css?ver=5.0.8 included in the page | |
| Minify JavaScript | Minify your website's JavaScript by stripping out whitespace, line breaks, and comments, thereby significantly decreasing the amount of data transferred to users' browsers and accelerating the critical JavaScript execution needed for page functionality. |
| Minified: https://www.hdfgroup.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 https://www.hdfgroup.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1 https://www.hdfgroup.org/wp-content/plugins/download-manager/assets/js/wpdm.min.js?ver=6.8.2 https://www.hdfgroup.org/wp-content/plugins/download-manager/assets/js/front.min.js?ver=6.8.1 https://www.hdfgroup.org/wp-includes/js/dist/dom-ready.min.js?ver=f77871ff7694fffea381 https://www.hdfgroup.org/wp-includes/js/dist/hooks.min.js?ver=4d63a3d491d11ffd8ac6 https://www.hdfgroup.org/wp-includes/js/dist/i18n.min.js?ver=5e580eb46a90c2b997e6 https://www.hdfgroup.org/wp-includes/js/dist/a11y.min.js?ver=3156534cc54473497e14 https://www.hdfgroup.org/wp-content/plugins/gravityforms/js/jquery.json.min.js?ver=2.9.17.1 https://www.hdfgroup.org/wp-content/plugins/gravityforms/js/gravityforms.min.js?ver=2.9.17.1 https://www.hdfgroup.org/wp-content/themes/astra/assets/js/minified/frontend.min.js?ver=4.11.12 https://www.hdfgroup.org/wp-includes/js/jquery/jquery.form.min.js?ver=4.3.0 https://www.hdfgroup.org/wp-content/plugins/gravityforms/assets/js/dist/utils.min.js?ver=380b7a5ec0757c78876bc8a59488f2f3 https://www.hdfgroup.org/wp-content/plugins/gravityforms/assets/js/dist/vendor-theme.min.js?ver=21e5a4db1670166692ac5745329bfc80 https://www.hdfgroup.org/wp-content/plugins/gravityforms/assets/js/dist/scripts-theme.min.js?ver=123af0257f6f333b67adf5d27ef3db93 https://www.hdfgroup.org/wp-includes/js/jquery/ui/mouse.min.js?ver=1.13.3 https://www.hdfgroup.org/wp-includes/js/jquery/ui/sortable.min.js?ver=1.13.3 https://www.hdfgroup.org/wp-includes/js/jquery/jquery.ui.touch-punch.js?ver=0.2.2 https://www.hdfgroup.org/wp-content/plugins/gravityformssurvey/js/gsurvey.min.js?ver=4.2.1 https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit Unminified: https://www.hdfgroup.org/wp-includes/js/jquery/ui/core.min.js?ver=1.13.3 https://www.hdfgroup.org/wp-content/plugins/simple-cloudflare-turnstile/js/disable-submit.js?ver=5.0 detected during site scan | |
| Structured Data | Implementing appropriate schema markup helps search engines understand the context and meaning of your content more effectively, potentially leading to improved rankings and the display of rich snippets in search results. |
| no structured data data for hdfgroup.org 2026-01-27T14:28:35+00:00 | |
| CDN Usage | Reduce bounce rates and increase user engagement through faster page loads achieved with a CDN; configure your CDN to effectively cache critical resources like CSS and JavaScript files, ensuring that repeat visitors receive significantly faster load times than first-time visitors due to effective edge caching mechanisms. |
| content is delivered via CDN | |
| SSL certificates | Modern web browsers display clear visual indicators (such as the padlock icon and 'Not Secure' warning) for pages without SSL, which can deter user interaction and significantly harm your website's credibility and conversion rates. |
| SSL is enabled on the website |