In the last 1 596 days, starting from August 9, 2021, geogebra.org's accessibility has been inspected 20 times. Tests prove geogebra.org was operational 20 times out of all attempts, recently confirmed on December 15, 2025, by a 200 status code. Assessments showed geogebra.org faced no interruptions in service as of December 23, 2025. The responses received confirm that, as of December 23, 2025, no error status was detected. The recorded response time on December 15, 2025, for geogebra.org was 0.083 seconds, while the average response time is 0.101 seconds.
| Russia | 100.00% | ||||||||
| 19:42 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 37 | August 12, 2019 | |
| 6 | September 13, 2022 | |
| 20 | August 9, 2021 | |
| 44 | April 14, 2019 | |
| 20 | January 19, 2019 |
Progressivedirect.com | Geogebra.org | ||||
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| Page Title | To significantly boost organic search visibility and user engagement, carefully select a primary keyword relevant to the page's content and place it prominently near the start of your website title, ensuring the entire title remains under 60 characters for optimal display in search engine results pages without being cut off. |
|---|---|
| GeoGebra - the world’s favorite, free math tools used by over 100 million students and teachers Length: 101 characters | |
| Meta Description | Consider the user's journey and search query context when drafting meta descriptions, aligning the summary text precisely with the keywords they entered to capture intent effectively for higher conversion. |
| Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more Length: 94 characters | |
| Meta Keywords | Avoid keyword stuffing within the meta keywords field, as it provides little to no benefit for your rankings in contemporary SEO strategies and can harm your site if you're misunderstanding its function. |
| no meta keywords data for geogebra.org 2025-12-23T00:12:07+00:00 | |
| Page Content | Focus on creating comprehensive page content that addresses user questions thoroughly, ensuring information is accurate, well-structured, easily scannable, and provides clear value to the reader, which aligns with search engines' goal of delivering helpful results. |
| Web Page Content Length: 141617 characters | |
| H1 Heading | The single H1 header on a webpage serves as the undisputed champion headline, clearly communicating the primary topic to both website visitors for easy scanning and to search engines like Google for ranking purposes, thereby establishing immediate relevance and authority for the page content. |
| Teach and learn math in a smarter way Count: 1 heading tag | |
| H2 Headings | H2 headers play a crucial role in structuring long-form content for optimal user experience and SEO, visually breaking down information into manageable sections that enhance readability and scannability, guiding visitors through the document's logical flow. |
| Trusted by millions of teachers and students worldwide Make math interactive Explore math with free calculators Engage every student Our mission Get started using GeoGebra today Count: 6 heading tag | |
| H3 Headings | The strategic deployment of descriptive H3 headings directly impacts your page's ability to rank in search results for specific user queries, thereby boosting your organic reach and visibility. |
| no h3 headings data for geogebra.org 2025-12-23T00:12:07+00:00 | |
| H4 Headings | H4 tags provide a crucial mechanism for organizing granular information, ensuring your detailed content remains well-structured and accessible, which both users and search engine algorithms appreciate and reward. |
| Teachers & Students Teachers Count: 2 heading tag | |
| H5-H6 Headings | H5 and H6 headers contribute positively to Core Web Vitals by improving layout shifts and text-to-HTML ratio when used correctly within content structure. |
| no h5-h6 headings data for geogebra.org 2025-12-23T00:12:07+00:00 | |
| Image ALT Attributes | Ensure your website's images are accessible and optimized for search engines by using descriptive and accurate ALT text that precisely defines the image content, incorporating relevant keywords naturally without stuffing. |
| no image alt attributes data for geogebra.org 2025-12-23T00:12:07+00:00 | |
| Robots.txt | Consider using the 'Crawl-delay' directive sparingly and only if absolutely necessary for resource-heavy sites, as it instructs crawlers to wait a specified number of seconds between successive crawls from the same user-agent. However, rely primarily on 'Disallow' for blocking rather than throttling, as overuse of crawl-delay can artificially inflate impressions in Google Search Console and complicate analytics. |
| file robots.txt was found on the website | |
| XML Sitemap | Submitting your XML sitemap helps search engines like Google understand the structure and hierarchy of your website, leading to better content prioritization and potentially improved rankings. |
| no xml sitemap data for geogebra.org 2025-12-23T00:12:07+00:00 | |
| Page Size | The overall page size directly influences your website's Core Web Vitals; monitor Largest Contentful Paint, First Contentful Paint, and Cumulative Layout Shift for performance. |
| page size: 138 kb | |
| Response Time | Website Response Time significantly affects Core Web Vitals, LCP being particularly sensitive to server-side processing speed and overall backend performance efficiency. |
| response time: 0.101 sec | |
| Minify CSS | Modern websites rely on optimized CSS for fast performance; utilize minification scripts or plugins to automatically remove all whitespace gaps between selectors and declarations, eliminate unnecessary comments added for clarity during development, and reduce load time. |
| Minified: https://www.geogebra.org/sp-assets/_next/static/css/631bf620cc2efd76.css included in the page | |
| Minify JavaScript | Consistently failing to minify your JavaScript presents a significant opportunity cost, as larger scripts increase bandwidth consumption and user-perceived load time, negatively impacting engagement metrics tracked by analytics platforms and search algorithms alike. |
| Minified: https://www.geogebra.org/sp-assets/_next/static/chunks/fd9d1056-ab12ab32165c42a3.js https://www.geogebra.org/sp-assets/_next/static/chunks/117-cfe3baab44ff5a89.js https://www.geogebra.org/sp-assets/_next/static/chunks/main-app-6429415f9d94ee31.js https://www.geogebra.org/sp-assets/_next/static/chunks/bc07b633-41e47a0919612cd1.js https://www.geogebra.org/sp-assets/_next/static/chunks/2a223334-f45786012016d17d.js https://www.geogebra.org/sp-assets/_next/static/chunks/327-aeede3700aab7a37.js https://www.geogebra.org/sp-assets/_next/static/chunks/289-cc01b0d414ea6b56.js https://www.geogebra.org/sp-assets/_next/static/chunks/321-42f8f14248cbcc98.js https://www.geogebra.org/sp-assets/_next/static/chunks/app/(index)/page-ea5bb1335552a31e.js https://www.geogebra.org/sp-assets/_next/static/chunks/app/(index)/layout-b6b015e9fb2430dc.js https://www.geogebra.org/sp-assets/_next/static/chunks/3-9c239c6aac49d122.js https://www.geogebra.org/sp-assets/_next/static/chunks/app/layout-4c4f4bd3d2f46b63.js https://www.geogebra.org/sp-assets/_next/static/chunks/app/error-72be3efbbb0b1429.js https://www.geogebra.org/sp-assets/_next/static/chunks/app/not-found-6266f95deb38f9b1.js https://www.geogebra.org/sp-assets/_next/static/chunks/polyfills-42372ed130431b0a.js https://www.geogebra.org/sp-assets/_next/static/chunks/webpack-33d2a6fc0aa69357.js detected during site scan | |
| Structured Data | To maximize SEO benefit, ensure your entire site architecture and content strategy incorporate relevant Schema types consistently; this comprehensive approach helps search engines build a detailed map of your site, improving content discoverability and ranking potential for related queries. |
| no structured data data for geogebra.org 2025-12-23T00:12:07+00:00 | |
| CDN Usage | Configure your Content Delivery Network to cache frequently accessed static assets with intelligent expiration headers, reducing direct server load and improving the loading speed for returning visitors, a key factor in SEO and user engagement. |
| no cdn usage data for geogebra.org 2025-12-23T00:12:07+00:00 | |
| SSL certificates | SSL encryption protects the confidentiality of all data transmitted between a user's browser and your website server, including login details, personal information, and purchase transactions; securing your site with a trusted SSL certificate is therefore fundamental for data security, user trust building, and robust SEO performance. |
| SSL is enabled on the website |