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eses.energystar.gov screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

eses.energystar.gov

Homepage | ENERGY STAR

Page Load Speed

301 ms in total

First Response

29 ms

Resources Loaded

272 ms

Page Rendered

0 ms

eses.energystar.gov screenshot

About Website

Click here to check amazing Eses ENERGY STAR content for United States. Otherwise, check out these important facts you probably never knew about eses.energystar.gov

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.

Visit eses.energystar.gov

Key Findings

We analyzed Eses.energystar.gov page load time and found that the first response time was 29 ms and then it took 272 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

eses.energystar.gov performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.615

10/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

eses.energystar.gov

29 ms

eses.energystar.gov

41 ms

www.energystar.gov

55 ms

google_tag.script.js

10 ms

css_Ih4Smq3MrVrXr_EkfD6KOufaXEswUx5TYbHQfWyNBy0.css

15 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Eses.energystar.gov, 88% (30 requests) were made to Energystar.gov and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (70 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.8 kB (14%)

Content Size

277.9 kB

After Optimization

238.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Eses.energystar.gov main page is 277.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 136.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 38.2 kB

  • Original 46.3 kB
  • After minification 35.0 kB
  • After compression 8.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 11.2 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.2 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 1.4 kB

  • Original 136.8 kB
  • After minification 135.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Eses ENERGY STAR images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 68.5 kB
  • After minification 68.5 kB
  • After compression 68.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 156 B

  • Original 26.3 kB
  • After minification 26.3 kB
  • After compression 26.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Eses.energystar.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (27%)

Requests Now

26

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eses ENERGY STAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

eses.energystar.gov

eses.energystar.gov

29 ms

eses.energystar.gov

eses.energystar.gov

41 ms

www.energystar.gov

www.energystar.gov

55 ms

google_tag.script.js

google_tag.script.js

10 ms

css_Ih4Smq3MrVrXr_EkfD6KOufaXEswUx5TYbHQfWyNBy0.css

css_Ih4Smq3MrVrXr_EkfD6KOufaXEswUx5TYbHQfWyNBy0.css

15 ms

css2

css2

31 ms

css_s2FkMS-6TSJVTIOIt6ak6ixNDePKurar4Eze3Q6RvCk.css

css_s2FkMS-6TSJVTIOIt6ak6ixNDePKurar4Eze3Q6RvCk.css

32 ms

us_flag_small.png

us_flag_small.png

21 ms

icon-dot-gov.svg

icon-dot-gov.svg

22 ms

icon-https.svg

icon-https.svg

23 ms

js_SDutCAJVZhA5AbHV_7Wto8P9DtOdCmmLA-QUeaQdrE8.js

js_SDutCAJVZhA5AbHV_7Wto8P9DtOdCmmLA-QUeaQdrE8.js

57 ms

big-banner.jpg

big-banner.jpg

68 ms

product1.png.webp

product1.png.webp

55 ms

product2.png.webp

product2.png.webp

56 ms

product4b.png.webp

product4b.png.webp

51 ms

product5.png.webp

product5.png.webp

55 ms

cooktop_0.png.webp

cooktop_0.png.webp

55 ms

certified-water-heaters-heading.png.webp

certified-water-heaters-heading.png.webp

63 ms

comm_dishwashers1_1.png.webp

comm_dishwashers1_1.png.webp

61 ms

heat-pumps-air-source-grid_0.jpg.webp

heat-pumps-air-source-grid_0.jpg.webp

63 ms

money-jar.png.webp

money-jar.png.webp

62 ms

rebateimage_480x320.jpg.webp

rebateimage_480x320.jpg.webp

66 ms

taxcreditimage480x320.jpg.webp

taxcreditimage480x320.jpg.webp

68 ms

branch-homes-1.jpg.webp

branch-homes-1.jpg.webp

67 ms

New-Homes-Homepage-photo.jpg.webp

New-Homes-Homepage-photo.jpg.webp

69 ms

branch-bp-1.jpg.webp

branch-bp-1.jpg.webp

67 ms

ES_HomeUpgradeBanners_705x310_R2.png.webp

ES_HomeUpgradeBanners_705x310_R2.png.webp

68 ms

ftr_epa_seal.png

ftr_epa_seal.png

68 ms

Roboto-Regular.woff

Roboto-Regular.woff

18 ms

Roboto-Light.woff

Roboto-Light.woff

30 ms

Roboto-Bold.woff

Roboto-Bold.woff

25 ms

Roboto-Italic.woff

Roboto-Italic.woff

23 ms

Roboto-BoldItalic.woff

Roboto-BoldItalic.woff

23 ms

gtm.js

gtm.js

70 ms

Accessibility Review

eses.energystar.gov accessibility score

98

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Best Practices

eses.energystar.gov best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

eses.energystar.gov SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eses.energystar.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Eses.energystar.gov main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

eses.energystar.gov

Open Graph data is detected on the main page of Eses ENERGY STAR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: