Search Engine Optimization Overview
91
100
Home - PLOS
Seo
Title
The title tag is perfect.
Home - PLOS
Meta description
The meta description tag is missing or empty.
Headings
The headings are properly set.
  1. Breaking boundaries.Empowering researchers.Opening Science.
  1. Every country. Every career stage. Every area of science. Hundreds of thousands of researchers choose PLOS to share and discuss their work. Together, we collaborate to make science, and the process of publishing science, fair, equitable, and accessible for the whole community.
  2. Open opportunities for your community to see, cite, share, and build on your research. PLOS gives you more control over how and when your work becomes available.
  3. We have everything you need to amplify your reviews, increase the visibility of your work through PLOS, and join the movement to advance Open Science.
  1. PLOS BiologyPLOS ClimatePLOS Computational BiologyPLOS Digital HealthPLOS GeneticsPLOS Global Public HealthPLOS MedicinePLOS Neglected Tropical DiseasesPLOS ONEPLOS PathogensPLOS Sustainability and TransformationPLOS Water
Content keywords
The content has relevant keywords.
homeplos
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://plos.org/
404 page
The website has 404 error pages.
https://plos.org/404-3db33b2931f117b8771af51bef1e0e93
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-US
Favicon
The webpage has a favicon.
https://plos.org/wp-content/themes/plos/favicon/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.21 seconds.
Page size
The size of the HTML webpage is 75,460.00.
HTTP requests
There are fewer than 41 HTTP requests on the webpage.
  1. https://plos.org/wp-content/themes/plos/resources/lib/scripts/jquery-3.5.1.min.js?ver=3.5.1
  2. https://plos.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.3.2
  3. https://plos.org/wp-content/plugins/orcid-master/assets/orcid.js?ver=5.8.6
  4. https://plos.org/wp-content/plugins/snazzy-maps/snazzymaps.js?ver=1.4.0
  5. https://plos.org/wp-content/plugins/plos-google-tag-manager/js/gtm4wp-form-move-tracker.js?ver=0.0.1
  6. https://plos.org/wp-content/plugins/plos-elementor-widgets/assets/js/widgets.js?ver=0.0.1
  7. https://plos.org/wp-content/plugins/plos-elementor-widgets/assets/lib/slick-1.8.1/slick/slick.js?ver=1.8.1
  8. https://plos.org/wp-content/themes/plos/dist/scripts/main_4cfaa2ed.js?ver=0.0.8
  9. https://plos.org/wp-content/plugins/share-this-image-pro/assets/js/sti.js?ver=1.80
  10. https://plos.org/wp-includes/js/wp-embed.min.js?ver=5.8.6
  11. https://plos.org/wp-content/plugins/elementor-pro/assets/js/webpack-pro.runtime.min.js?ver=3.4.2
  12. https://plos.org/wp-content/plugins/elementor/assets/js/webpack.runtime.min.js?ver=3.4.6
  13. https://plos.org/wp-content/plugins/elementor/assets/js/frontend-modules.min.js?ver=3.4.6
  14. https://plos.org/wp-content/plugins/elementor-pro/assets/js/frontend.min.js?ver=3.4.2
  15. https://plos.org/wp-content/plugins/elementor/assets/lib/waypoints/waypoints.min.js?ver=4.0.2
  16. https://plos.org/wp-includes/js/jquery/ui/core.min.js?ver=1.12.1
  17. https://plos.org/wp-content/plugins/elementor/assets/lib/swiper/swiper.min.js?ver=5.3.6
  18. https://plos.org/wp-content/plugins/elementor/assets/lib/share-link/share-link.min.js?ver=3.4.6
  19. https://plos.org/wp-content/plugins/elementor/assets/lib/dialog/dialog.min.js?ver=4.8.1
  20. https://plos.org/wp-content/plugins/elementor/assets/js/frontend.min.js?ver=3.4.6
  21. https://plos.org/wp-content/plugins/elementor-pro/assets/js/preloaded-elements-handlers.min.js?ver=3.4.2
  22. https://plos.org/wp-content/plugins/elementor/assets/js/preloaded-modules.min.js?ver=3.4.6
  23. https://plos.org/wp-content/plugins/elementor-pro/assets/lib/sticky/jquery.sticky.min.js?ver=3.4.2
  1. https://plos.org/wp-includes/css/dist/block-library/style.min.css?ver=5.8.6
  2. https://plos.org/wp-content/plugins/orcid-master/assets/orcid.css?ver=5.8.6
  3. https://plos.org/wp-content/plugins/elementor/assets/lib/eicons/css/elementor-icons.min.css?ver=5.13.0
  4. https://plos.org/wp-content/uploads/elementor/css/custom-frontend-legacy.min.css?ver=3.4.6
  5. https://plos.org/wp-content/uploads/elementor/css/custom-frontend.min.css?ver=1652781304
  6. https://plos.org/wp-content/uploads/elementor/css/post-3286.css?ver=1652781304
  7. https://plos.org/wp-content/uploads/elementor/css/custom-pro-frontend.min.css?ver=1652781304
  8. https://plos.org/wp-content/uploads/elementor/css/global.css?ver=1652781309
  9. https://plos.org/wp-content/uploads/elementor/css/post-51.css?ver=1663959031
  10. https://plos.org/wp-content/themes/plos/dist/styles/main_4cfaa2ed.css?ver=5.8.6
  11. https://plos.org/wp-content/plugins/share-this-image-pro/assets/css/sti.css?ver=1.80
  12. https://fonts.googleapis.com/css?family=Roboto%3A100%2C100italic%2C200%2C200italic%2C300%2C300italic%2C400%2C400italic%2C500%2C500italic%2C600%2C600italic%2C700%2C700italic%2C800%2C800italic%2C900%2C900italic%7CRoboto+Slab%3A100%2C100italic%2C200%2C200italic%2C300%2C300italic%2C400%2C400italic%2C500%2C500italic%2C600%2C600italic%2C700%2C700italic%2C800%2C800italic%2C900%2C900italic&display=auto&ver=5.8.6
  13. https://plos.org/wp-content/plugins/elementor/assets/lib/font-awesome/css/fontawesome.min.css?ver=5.15.3
  14. https://plos.org/wp-content/plugins/elementor/assets/lib/font-awesome/css/solid.min.css?ver=5.15.3
  15. https://fonts.googleapis.com/css?family=Merriweather:400,400i,900,900i|Roboto:400,400i,600,600i&display=swap
  16. https://plos.org/wp-content/plugins/elementor/assets/lib/animations/animations.min.css?ver=3.4.6
  1. https://plos.org/wp-content/uploads/2020/01/logo-color-blue.svg
  2. https://plos.org/wp-content/uploads/2019/12/logo-white.svg
Image format
The images are served in the AVIF, WebP format.
JavaScript defer
The are 23 javascript resources without the defer attribute.
  1. https://plos.org/wp-content/themes/plos/resources/lib/scripts/jquery-3.5.1.min.js?ver=3.5.1
  2. https://plos.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.3.2
  3. https://plos.org/wp-content/plugins/orcid-master/assets/orcid.js?ver=5.8.6
  4. https://plos.org/wp-content/plugins/snazzy-maps/snazzymaps.js?ver=1.4.0
  5. https://plos.org/wp-content/plugins/plos-google-tag-manager/js/gtm4wp-form-move-tracker.js?ver=0.0.1
  6. https://plos.org/wp-content/plugins/plos-elementor-widgets/assets/js/widgets.js?ver=0.0.1
  7. https://plos.org/wp-content/plugins/plos-elementor-widgets/assets/lib/slick-1.8.1/slick/slick.js?ver=1.8.1
  8. https://plos.org/wp-content/themes/plos/dist/scripts/main_4cfaa2ed.js?ver=0.0.8
  9. https://plos.org/wp-content/plugins/share-this-image-pro/assets/js/sti.js?ver=1.80
  10. https://plos.org/wp-includes/js/wp-embed.min.js?ver=5.8.6
  11. https://plos.org/wp-content/plugins/elementor-pro/assets/js/webpack-pro.runtime.min.js?ver=3.4.2
  12. https://plos.org/wp-content/plugins/elementor/assets/js/webpack.runtime.min.js?ver=3.4.6
  13. https://plos.org/wp-content/plugins/elementor/assets/js/frontend-modules.min.js?ver=3.4.6
  14. https://plos.org/wp-content/plugins/elementor-pro/assets/js/frontend.min.js?ver=3.4.2
  15. https://plos.org/wp-content/plugins/elementor/assets/lib/waypoints/waypoints.min.js?ver=4.0.2
  16. https://plos.org/wp-includes/js/jquery/ui/core.min.js?ver=1.12.1
  17. https://plos.org/wp-content/plugins/elementor/assets/lib/swiper/swiper.min.js?ver=5.3.6
  18. https://plos.org/wp-content/plugins/elementor/assets/lib/share-link/share-link.min.js?ver=3.4.6
  19. https://plos.org/wp-content/plugins/elementor/assets/lib/dialog/dialog.min.js?ver=4.8.1
  20. https://plos.org/wp-content/plugins/elementor/assets/js/frontend.min.js?ver=3.4.6
  21. https://plos.org/wp-content/plugins/elementor-pro/assets/js/preloaded-elements-handlers.min.js?ver=3.4.2
  22. https://plos.org/wp-content/plugins/elementor/assets/js/preloaded-modules.min.js?ver=3.4.6
  23. https://plos.org/wp-content/plugins/elementor-pro/assets/lib/sticky/jquery.sticky.min.js?ver=3.4.2
DOM size
The DOM size is optimal.
The HTML file has 610 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://plos.org/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
cloudflare
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage contains plaintext emails.
  1. privacy@plos.org
Miscellaneous
Structured data
The webpage has structured data.
        Meta viewport
        The webpage has a meta viewport tag set.
        width=device-width, initial-scale=1, shrink-to-fit=no
        Character set
        The webpage has a charset value set.
        utf-8
        Sitemap
        The website has sitemaps.
        1. https://plos.org/sitemap.xml
        Content length
        The webpage has 33,695 words.
        Text to HTML ratio
        The text to HTML ratio is 72%.
        Inline CSS
        The webpage contains inline CSS code.
        1. font-weight: 400;
        2. background-image: url(https://plos.org/wp-content/uploads/sites/6/2022/02/EFB_Award_Image-1024x576.jpg);
        3. background-image: url(https://plos.org/wp-content/uploads/sites/6/2021/07/AssessScrabble-1024x683.jpg);
        4. color: #ffffff
        5. font-weight: 400
        6. color: #ffffff
        7. color: #ffffff
        8. color: #ffffff
        9. color: #ffffff
        10. color: #ffffff
        11. color: #ffffff
        12. color: #ffffff
        13. color: #ffffff
        14. color: #ffffff
        15. color: #ffffff
        16. color: #ffffff
        17. color: #ffffff
        18. color: #ffffff
        19. color: #ffffff
        20. color: #ffffff
        21. color: #ffffff
        22. color: #ffffff
        23. color: #ffffff
        24. color: #ffffff
        25. color: #ffffff
        26. color: #ffffff
        27. color: #ffffff
        28. color: #ffffff
        29. background-image: url(https://plos.org/wp-content/uploads/2020/02/glenn-carstens-peters-npxXWgQ33ZQ-unsplash-1024x681.jpg);
        30. background-image: url(https://plos.org/wp-content/uploads/2020/02/published-peer-review-screen-1024x768.jpg);
        31. background-image: url(https://plos.org/wp-content/uploads/2020/02/donald-giannatti-Wj1D-qiOseE-unsplash-1024x682.jpg);
        32. background-image: url(https://plos.org/wp-content/uploads/2019/12/Laptop-Empty-Chair_Pixabay_CC0-1024x552.jpeg);
        33. text-align: center
        Deprecated HTML
        There are no deprecated HTML tags on the webpage.