1.3 sec in total
40 ms
1 sec
207 ms
Welcome to epa.gov homepage info - get ready to check EPA best content for United States right away, or after learning these important things about epa.gov
Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.
Visit epa.govWe analyzed Epa.gov page load time and found that the first response time was 40 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
epa.gov performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value5.9 s
14/100
25%
Value37.8 s
0/100
10%
Value26,450 ms
0/100
30%
Value0.142
78/100
15%
Value217.6 s
0/100
10%
40 ms
107 ms
81 ms
36 ms
37 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original Epa.gov, 54% (37 requests) were made to Www3.epa.gov and 13% (9 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (538 ms) relates to the external source Www3.epa.gov.
Page size can be reduced by 1.4 MB (40%)
3.4 MB
2.0 MB
In fact, the total size of Epa.gov main page is 3.4 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 1.8 MB which makes up the majority of the site volume.
Potential reduce by 45.1 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 6.2 kB, which is 11% 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 45.1 kB or 79% of the original size.
Potential reduce by 204.5 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. Obviously, EPA needs image optimization as it can save up to 204.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 616.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 616.1 kB or 67% of the original size.
Potential reduce by 509.3 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. Epa.gov needs all CSS files to be minified and compressed as it can save up to 509.3 kB or 86% of the original size.
Number of requests can be reduced by 21 (32%)
65
44
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EPA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
epa.gov
40 ms
www3.epa.gov
107 ms
bootstrap-resp.css
81 ms
carousel-responsive.css
36 ms
nav-3responsive.css
37 ms
epa-responsive.css
64 ms
jquery-min.js
132 ms
bootstrap.js
36 ms
jquery.cycle.all.js
163 ms
jquery.colorbox-min.js
165 ms
9240.js
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gtm.js
81 ms
MathyStanislaus_avatar_1431026639.jpg
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widgets.js
39 ms
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seal-small.png
82 ms
magglass18x13.png
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header_static.jpg
84 ms
banner-020116-Flint.jpg
81 ms
banner-020916-Budget.jpg
146 ms
banner-011916-Preparedness.jpg
166 ms
banner-010416-VW.jpg
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banner-012116-Local-Foods.jpg
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prev.png
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next.png
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EJustice_1.jpg
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community_temp.jpg
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horizontal-022216-Heart.jpg
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socmed_blog.png
216 ms
socmed_twitter.png
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socmed_facebook.png
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socmed_youtube.png
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socmed_flickr.png
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socmed_pinterest.png
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socmed_medium.png
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footerlogo_desktop.jpg
280 ms
footerlogo_desktop.png
280 ms
footerlogo_80wide.png
494 ms
analytics.js
68 ms
gateway.min.js
130 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
96 ms
notice.js
450 ms
9240.js
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www-embed-player-vflZsBgOl.css
82 ms
www-embed-player.js
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base.js
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collect
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yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js
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ad_status.js
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foresee_trigger.js
59 ms
CrYjSnGjrRCn0pd9VQsnFOvvDin1pK8aKteLpeZ5c0A.woff
59 ms
RxZJdnzeo3R5zSexge8UUbO3LdcAZYWl9Si6vvxL-qU.woff
130 ms
epa.gov accessibility score
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
[aria-hidden="true"] elements contain focusable descendents
epa.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
epa.gov SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Epa.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 Epa.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.
epa.gov
Open Graph description is not detected on the main page of EPA. 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: