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Search Engine Optimization Overview
80
100
GeoGebra - the world’s favorite, free math tools used by over 100 million students and teachers
Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more
https://www.geogebra.org/
2 high issues
6.1%
3 medium issues
9.1%
3 low issues
9.1%
25 tests passed
75.8%
0.09 seconds
13.79 kB
19 resources
Secure
Seo
Title
The title tag must be between 1 and 60 characters.
The current title has 95 characters.
Meta description
The meta description tag is good.
Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more
Headings
The headings are properly set.
  1. GeoGebra for Teaching and Learning Math
  1. Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more
  2. Featured Resources
  3. Tutorials
  1. Powerful Math Apps
  2. Ready for Tests
  3. More Great Apps
  4. GeoGebra Community Involvement
  5. Illustrative Math Curriculum - Free & Digital
  6. Elementary School Math: 300+ Resources
  7. Middle & High S. Math: 2200+ Resources
  8. Learn GeoGebra Classroom
  9. Learn Graphing Calculator
  10. Learn Calculator Suite
  11. Learn GeoGebra Classic
  12. GeoGebra
  13. Apps
  14. Resources
Content keywords
The content has relevant keywords.
geogebrasfreemathtoolsand
Image keywords
There are 8 images with missing alt attributes.
  1. https://www.geogebra.org/resource/nmmmzgzn/4E74ZyVNF3n82BgH/material-nmmmzgzn-thumb.png
  2. https://www.geogebra.org/resource/nfnvchjn/bN5DvkW488dLWuT8/material-nfnvchjn-thumb.png
  3. https://www.geogebra.org/resource/n8hhhjry/p0E7foyai3GjLPyx/material-n8hhhjry-thumb.png
  4. https://www.geogebra.org/resource/kewpjrue/CqXq4ike55gQKgmS/material-kewpjrue-thumb.png
  5. https://www.geogebra.org/resource/hncrgruu/JzwkJDKMQM8nC52x/material-hncrgruu-thumb.png
  6. https://www.geogebra.org/resource/vd6UC685/jDioWFtwQSFdmIkz/material-vd6UC685-thumb.png
  7. https://www.geogebra.org/resource/etg2rk8j/1KKR5Ls6NcKLGvfH/material-etg2rk8j-thumb.png
  8. https://www.geogebra.org/resource/XUv5mXTm/Ny8UYWy5AjUl781N/material-XUv5mXTm-thumb.png
SEO friendly URL
The URL is SEO friendly.
https://www.geogebra.org/
404 page
The website has 404 error pages.
https://www.geogebra.org/404-7a2552defe3446080e2d3704d253d203
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://www.geogebra.org/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.09 seconds.
Page size
The size of the HTML webpage is 13,786.00.
HTTP requests
There are fewer than 19 HTTP requests on the webpage.
  1. https://www.geogebra.org/assets/jquery.min.js
  2. https://www.geogebra.org/assets/js/6153.d5021c2cf4be6c292063.bundle.js
  3. https://www.geogebra.org/assets/js/index.152478305d4048b22184.bundle.js
  4. https://www.geogebra.org/assets/js/1469.e26567d1b4ed66a4893f.js
  5. https://www.geogebra.org/assets/js/1803.2a55da3b20804e6c2984.js
  6. https://www.geogebra.org/assets/js/base-layout.8d82eb3285a74fb94862.js
  7. https://www.geogebra.org/assets/js/frontpage.0a0c740d6085a8249efa.js
  8. https://www.geogebra.org/assets/js/i18n/m_en.e914aaa3624c4679a100.js
  1. https://www.geogebra.org/assets/css/flash-ltr.94368975.css
  2. https://www.geogebra.org/assets/css/index-ltr.2c3e2a4d.css
  1. https://www.geogebra.org/assets/img/banner.1f018dfd.png
  2. https://www.geogebra.org/resource/nmmmzgzn/4E74ZyVNF3n82BgH/material-nmmmzgzn-thumb.png
  3. https://www.geogebra.org/resource/nfnvchjn/bN5DvkW488dLWuT8/material-nfnvchjn-thumb.png
  4. https://www.geogebra.org/resource/n8hhhjry/p0E7foyai3GjLPyx/material-n8hhhjry-thumb.png
  5. https://www.geogebra.org/resource/kewpjrue/CqXq4ike55gQKgmS/material-kewpjrue-thumb.png
  6. https://www.geogebra.org/resource/hncrgruu/JzwkJDKMQM8nC52x/material-hncrgruu-thumb.png
  7. https://www.geogebra.org/resource/vd6UC685/jDioWFtwQSFdmIkz/material-vd6UC685-thumb.png
  8. https://www.geogebra.org/resource/etg2rk8j/1KKR5Ls6NcKLGvfH/material-etg2rk8j-thumb.png
  9. https://www.geogebra.org/resource/XUv5mXTm/Ny8UYWy5AjUl781N/material-XUv5mXTm-thumb.png
Image format
There are 9 images that are not using the AVIF, WebP format.
  1. https://www.geogebra.org/assets/img/banner.1f018dfd.png
  2. https://www.geogebra.org/resource/nmmmzgzn/4E74ZyVNF3n82BgH/material-nmmmzgzn-thumb.png
  3. https://www.geogebra.org/resource/nfnvchjn/bN5DvkW488dLWuT8/material-nfnvchjn-thumb.png
  4. https://www.geogebra.org/resource/n8hhhjry/p0E7foyai3GjLPyx/material-n8hhhjry-thumb.png
  5. https://www.geogebra.org/resource/kewpjrue/CqXq4ike55gQKgmS/material-kewpjrue-thumb.png
  6. https://www.geogebra.org/resource/hncrgruu/JzwkJDKMQM8nC52x/material-hncrgruu-thumb.png
  7. https://www.geogebra.org/resource/vd6UC685/jDioWFtwQSFdmIkz/material-vd6UC685-thumb.png
  8. https://www.geogebra.org/resource/etg2rk8j/1KKR5Ls6NcKLGvfH/material-etg2rk8j-thumb.png
  9. https://www.geogebra.org/resource/XUv5mXTm/Ny8UYWy5AjUl781N/material-XUv5mXTm-thumb.png
JavaScript defer
The are 8 javascript resources without the defer attribute.
  1. https://www.geogebra.org/assets/jquery.min.js
  2. https://www.geogebra.org/assets/js/6153.d5021c2cf4be6c292063.bundle.js
  3. https://www.geogebra.org/assets/js/index.152478305d4048b22184.bundle.js
  4. https://www.geogebra.org/assets/js/1469.e26567d1b4ed66a4893f.js
  5. https://www.geogebra.org/assets/js/1803.2a55da3b20804e6c2984.js
  6. https://www.geogebra.org/assets/js/base-layout.8d82eb3285a74fb94862.js
  7. https://www.geogebra.org/assets/js/frontpage.0a0c740d6085a8249efa.js
  8. https://www.geogebra.org/assets/js/i18n/m_en.e914aaa3624c4679a100.js
DOM size
The DOM size is optimal.
The HTML file has 579 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.geogebra.org/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
nginx/1.20.0
Unsafe cross-origin links
The webpage has 10 unsafe cross-origin links.
Plaintext email
The webpage contains plaintext emails.
  1. office@geogebra.org
  2. office@geogebra.org
  3. banner@3x.aef263a6.png
  4. banner@2x.86188a23.png
Miscellaneous
Structured data
The webpage has structured data.
        Meta viewport
        The webpage has a meta viewport tag set.
        width=device-width,initial-scale=1
        Character set
        The webpage has a charset value set.
        utf-8
        Sitemap
        The website has sitemaps.
        1. https://www.geogebra.org/a-sitemap.xml
        2. https://www.geogebra.org/m-sitemap-index.xml
        3. https://www.geogebra.org/special-sitemap.xml
        4. https://www.geogebra.org/t-sitemap.xml
        5. https://www.geogebra.org/u-sitemap.xml
        Social
        The webpage has 7 social links.
        Content length
        The webpage has 2,079 words.
        Text to HTML ratio
        The text to HTML ratio is 19%.
        Inline CSS
        The webpage contains inline CSS code.
        1. max-height:48px
        2. max-height:48px
        3. max-height:48px
        4. max-height:48px
        5. max-height:48px
        6. max-height:48px
        7. max-height:57px
        8. order:-1
        9. opacity:1
        10. order:-1
        11. opacity:1
        12. order:-1
        13. opacity:1
        14. order:-1
        15. opacity:1
        16. order:-1
        17. opacity:1
        18. order:-1
        19. opacity:1
        20. order:-1
        21. opacity:1
        22. order:-1
        23. opacity:1
        Deprecated HTML
        There are no deprecated HTML tags on the webpage.