53.7 sec in total
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Welcome to energy.gov homepage info - get ready to check Energy best content for United States right away, or after learning these important things about energy.gov
Visit energy.govWe analyzed Energy.gov page load time and found that the first response time was 1.4 sec and then it took 52.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
energy.gov performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value8.6 s
1/100
25%
Value3.2 s
92/100
10%
Value1,940 ms
8/100
30%
Value0
100/100
15%
Value9.5 s
30/100
10%
1377 ms
865 ms
926 ms
1123 ms
1128 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 89% of them (55 requests) were addressed to the original Energy.gov, 3% (2 requests) were made to Ssl.google-analytics.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (13.8 sec) relates to the external source Dap.digitalgov.gov.
Page size can be reduced by 2.1 MB (23%)
9.2 MB
7.1 MB
In fact, the total size of Energy.gov main page is 9.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 7.1 MB which makes up the majority of the site volume.
Potential reduce by 88.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 88.0 kB or 85% of the original size.
Potential reduce by 385.4 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. Energy images are well optimized though.
Potential reduce by 1.0 MB
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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.0 MB or 78% of the original size.
Potential reduce by 599.5 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. Energy.gov needs all CSS files to be minified and compressed as it can save up to 599.5 kB or 86% of the original size.
Number of requests can be reduced by 24 (42%)
57
33
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
energy.gov
1377 ms
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energy.gov accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
energy.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
energy.gov SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Energy.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Energy.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.
energy.gov
Open Graph description is not detected on the main page of Energy. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: