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ENERGY STAR | The simple choice for energy efficiency.
ENERGY STAR is the simple choice for energy efficiency. For more than 20 years, EPA's ENERGY STAR program has been America's resource for saving energy and protecting the environment.
https://www.energystar.gov/
0 high issues
0.0%
2 medium issues
6.1%
5 low issues
15.2%
26 tests passed
78.8%
0.18 seconds
7.04 kB
40 resources
Secure
Seo
Title
The title tag is perfect.
ENERGY STAR | The simple choice for energy efficiency.
Meta description
The meta description tag is good.
ENERGY STAR is the simple choice for energy efficiency. For more than 20 years, EPA's ENERGY STAR program has been America's resource for saving energy and protecting the environment.
Headings
The headings are properly set.
  1. The simple choice for saving energy.
  1. You are here
  2. ENERGY STAR certified products help you save energy.
  1. Rebate Finder
Content keywords
The content has relevant keywords.
energystarthesimplechoiceforenergy
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://www.energystar.gov/
404 page
The website has 404 error pages.
https://www.energystar.gov/404-3584207b6693f86bbd396a1ea5b642b3
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.
  1. ENERGY STAR
  2. About
  3. For Partners
  4. Find Products
  5. Product Finder
  6. Rebate Finder
  7. Ask the Experts
  8. Product Specification Search
  9. Best Value Finder
  10. Save at Home
  11. All Ways to Save
  12. DIY Home Assessment
  13. Heating & Cooling
  14. Seal & Insulate
  15. Expert Home Improvements
  16. My ENERGY STAR
  17. New Homes
  18. Features and Benefits
  19. Find a Builder
  20. Partner Resources
  21. Program Requirements
  22. ENERGY STAR NextGen
  23. Partner with ENERGY STAR
  24. Commercial Buildings
  25. Benchmark
  26. Save Energy
  27. Earn Recognition
  28. Resources by Audience
  29. Resources by Topic
  30. Training
  31. About Us
  32. Industrial Plants
  33. Industrial Partnership
  34. Plant Certification
  35. Challenge for Industry
  36. Challenge Baseline Calculator
  37. Industries in Focus
  38. Treasure Hunt
  39. Get started
  40. Program Administrators
  41. Service & Product Providers
  42. https://www.energystar.gov/productfinder/product/certified-room-air-conditioners/results
  43. Room Air Conditioner
  44. https://www.energystar.gov/productfinder/product/certified-residential-refrigerators/results
  45. Refrigerators
  46. https://www.energystar.gov/productfinder/product/certified-clothes-washers/results
  47. Washers
  48. https://www.energystar.gov/productfinder/product/certified-clothes-dryers/results
  49. Dryers
  50. https://www.energystar.gov/productfinder/product/certified-light-bulbs/results
  51. Light Bulbs
  52. https://www.energystar.gov/productfinder/product/certified-water-heaters/results
  53. Heat Pump Water Heaters
  54. https://www.energystar.gov/productfinder/product/certified-commercial-dishwashers/results?formId=fbce8609-2abf-433d-a24a-eb01c10e76b1&scrollTo=0&search_text=&machine_type_filter=&brand_name_isopen=0&sanitation_method_filter=&markets_filter=United+States&zip_code_filter=&product_types=Select+a+Product+Category&sort_by=brand_name&sort_direction=asc¤tZipCode=22030&page_number=0&lastpage=0
  55. Commercial Dishwashers
  56. https://www.energystar.gov/productfinder/product/certified-central-heat-pumps/results
  57. Air-Source Heat Pumps
  58. See All Products
  59. See Eligibility
  60. Find Ways to Save
  61. See Features and Benefits
  62. See What You Can Save
  63. https://www.energystar.gov/products/energy_star_home_upgrade
  64. ENERGY STAR
  65. Find Products
  66. Save at Home
  67. New Homes
  68. Commercial Buildings
  69. Industrial Plants
  70. About
  71. Recursos en Español
  72. Partner Resources
  73. Newsroom
  74. Privacy
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://www.energystar.gov/sites/all/themes/f1ux/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.18 seconds.
Page size
The size of the HTML webpage is 7,044.00.
HTTP requests
There are fewer than 40 HTTP requests on the webpage.
  1. https://www.energystar.gov/sites/es/js/jquery-3.6.0.min.js
  2. https://www.energystar.gov/sites/es/js/skiplinks.js
  3. https://www.energystar.gov/sites/es/js/extlink.js
  4. https://www.energystar.gov/sites/es/js/bootstrap.min.js
  5. https://www.energystar.gov/sites/es/js/nunjucks.min.js
  6. https://www.energystar.gov/sites/es/js/mobile-menu.js
  7. https://www.energystar.gov/sites/es/js/sticky-kit.js
  8. https://www.energystar.gov/sites/es/js/jquery.stickytableheaders.min.js
  9. https://www.energystar.gov/sites/es/js/tablesorter/jquery.tablesorter.js
  10. https://www.energystar.gov/sites/es/js/tablesorter/jquery.tablesorter.widgets.js
  11. https://www.energystar.gov/sites/es/js/functions.js
  12. https://www.energystar.gov/sites/es/js/jquery.flexslider-min.js
  13. https://www.energystar.gov/sites/es/js/policy_map/jquery.colorbox-min.js
  14. https://www.energystar.gov/sites/es/js/bootstrap-multiselect.js
  15. https://www.energystar.gov/sites/es/js/header.js
  16. https://www.energystar.gov/sites/es/js/jquery.once.min.js
  1. https://www.energystar.gov/sites/es/css/bootstrap.min.css
  2. https://www.energystar.gov/sites/es/css/styles.css
  3. https://www.energystar.gov/sites/es/css/extlink.css
  4. https://www.energystar.gov/sites/es/css/bootstrap-multiselect.css
  5. https://www.energystar.gov/sites/es/css/policy_map/colorbox.css
  1. https://www.energystar.gov/sites/default/files/styles/homepage_hero/public/big-banner.jpg?itok=H6p7h63J
  2. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product1.png?itok=MPtDENF6
  3. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product2.png?itok=iK_sh1_o
  4. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product4b.png?itok=W61qID30
  5. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product5.png?itok=WK-QJ5hW
  6. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product6.png?itok=zSItMI54
  7. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/certified-water-heaters-heading.png?itok=83EZsywS
  8. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/comm_dishwashers1_1.png?itok=5ClcKUob
  9. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/heat-pumps-air-source-grid_0.jpg?itok=lh9kfPeZ
  10. https://www.energystar.gov/sites/es/images/home_page/iconfinder_arrow_right_118732.png
  11. https://www.energystar.gov/sites/es/images/home_page/rebatefinder-image.png
  12. https://www.energystar.gov/sites/es/images/home_page/tax-credits-icon.png
  13. https://www.energystar.gov/sites/default/files/styles/homepage_featured_items/public/branch-homes-1.jpg?itok=-zTrzh7Y
  14. https://www.energystar.gov/sites/default/files/styles/homepage_featured_items/public/New-Homes.jpg?itok=v8RfXY4v
  15. https://www.energystar.gov/sites/default/files/styles/homepage_featured_items/public/branch-bp-1.jpg?itok=gMG_SSR0
  16. https://www.energystar.gov/sites/default/files/ES_HomeUpgradeBanners_637.5x280.5_R4_0.png
  17. https://www.energystar.gov/sites/es/images/home_page/ftr_epa_seal.png
  18. https://www.energystar.gov/sites/es/images/home_page/ftr_doe_seal.png
  1. https://www.googletagmanager.com/ns.html?id=GTM-L8ZB
Image format
There are 18 images that are not using the AVIF, WebP format.
  1. https://www.energystar.gov/sites/default/files/styles/homepage_hero/public/big-banner.jpg?itok=H6p7h63J
  2. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product1.png?itok=MPtDENF6
  3. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product2.png?itok=iK_sh1_o
  4. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product4b.png?itok=W61qID30
  5. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product5.png?itok=WK-QJ5hW
  6. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/product6.png?itok=zSItMI54
  7. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/certified-water-heaters-heading.png?itok=83EZsywS
  8. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/comm_dishwashers1_1.png?itok=5ClcKUob
  9. https://www.energystar.gov/sites/default/files/styles/thumbnail/public/heat-pumps-air-source-grid_0.jpg?itok=lh9kfPeZ
  10. https://www.energystar.gov/sites/es/images/home_page/iconfinder_arrow_right_118732.png
  11. https://www.energystar.gov/sites/es/images/home_page/rebatefinder-image.png
  12. https://www.energystar.gov/sites/es/images/home_page/tax-credits-icon.png
  13. https://www.energystar.gov/sites/default/files/styles/homepage_featured_items/public/branch-homes-1.jpg?itok=-zTrzh7Y
  14. https://www.energystar.gov/sites/default/files/styles/homepage_featured_items/public/New-Homes.jpg?itok=v8RfXY4v
  15. https://www.energystar.gov/sites/default/files/styles/homepage_featured_items/public/branch-bp-1.jpg?itok=gMG_SSR0
  16. https://www.energystar.gov/sites/default/files/ES_HomeUpgradeBanners_637.5x280.5_R4_0.png
  17. https://www.energystar.gov/sites/es/images/home_page/ftr_epa_seal.png
  18. https://www.energystar.gov/sites/es/images/home_page/ftr_doe_seal.png
JavaScript defer
The are 16 javascript resources without the defer attribute.
  1. https://www.energystar.gov/sites/es/js/jquery-3.6.0.min.js
  2. https://www.energystar.gov/sites/es/js/skiplinks.js
  3. https://www.energystar.gov/sites/es/js/extlink.js
  4. https://www.energystar.gov/sites/es/js/bootstrap.min.js
  5. https://www.energystar.gov/sites/es/js/nunjucks.min.js
  6. https://www.energystar.gov/sites/es/js/mobile-menu.js
  7. https://www.energystar.gov/sites/es/js/sticky-kit.js
  8. https://www.energystar.gov/sites/es/js/jquery.stickytableheaders.min.js
  9. https://www.energystar.gov/sites/es/js/tablesorter/jquery.tablesorter.js
  10. https://www.energystar.gov/sites/es/js/tablesorter/jquery.tablesorter.widgets.js
  11. https://www.energystar.gov/sites/es/js/functions.js
  12. https://www.energystar.gov/sites/es/js/jquery.flexslider-min.js
  13. https://www.energystar.gov/sites/es/js/policy_map/jquery.colorbox-min.js
  14. https://www.energystar.gov/sites/es/js/bootstrap-multiselect.js
  15. https://www.energystar.gov/sites/es/js/header.js
  16. https://www.energystar.gov/sites/es/js/jquery.once.min.js
DOM size
The DOM size is optimal.
The HTML file has 368 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.energystar.gov/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
nginx
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
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
      No sitemaps found.
      Social
      The webpage does not contain any social links.
      Content length
      The are less than 500 words on the webpage.
      The webpage has 289 words.
      Text to HTML ratio
      The text to HTML ratio is under 10%
      The text to HTML ratio is 5%.
      Inline CSS
      The webpage does not contain inline CSS code.
      Deprecated HTML
      There are no deprecated HTML tags on the webpage.