Tools & Wizards About Us
yosemite.epa.gov screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

yosemite.epa.gov

Environmental Protection Agency

Page Load Speed

1.3 sec in total

First Response

241 ms

Resources Loaded

946 ms

Page Rendered

122 ms

yosemite.epa.gov screenshot

About Website

Welcome to yosemite.epa.gov homepage info - get ready to check Yosemite Epa best content for United States right away, or after learning these important things about yosemite.epa.gov

Visit yosemite.epa.gov

Key Findings

We analyzed Yosemite.epa.gov page load time and found that the first response time was 241 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

yosemite.epa.gov performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

yosemite.epa.gov

241 ms

epafiles_epastyles.css

132 ms

epafiles_btn_gosearch.gif

48 ms

epafiles_ban_topepa.gif

48 ms

epafiles_misc_space.gif

50 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Yosemite.epa.gov, 50% (9 requests) were made to Www3.epa.gov and 44% (8 requests) were made to Epa.gov. The less responsive or slowest element that took the longest time to load (431 ms) relates to the external source Www3.epa.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.4 kB (78%)

Content Size

12.0 kB

After Optimization

2.7 kB

  • HTML

In fact, the total size of Yosemite.epa.gov main page is 12.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 12.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 9.4 kB

  • Original 12.0 kB
  • After minification 9.1 kB
  • After compression 2.7 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 2.9 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 9.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (56%)

Requests Now

9

After Optimization

4

  • Images
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yosemite Epa. 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

yosemite.epa.gov

yosemite.epa.gov

241 ms

epafiles_epastyles.css

epafiles_epastyles.css

132 ms

epafiles_btn_gosearch.gif

epafiles_btn_gosearch.gif

48 ms

epafiles_ban_topepa.gif

epafiles_ban_topepa.gif

48 ms

epafiles_misc_space.gif

epafiles_misc_space.gif

50 ms

epafiles_ban_endbottom.gif

epafiles_ban_endbottom.gif

48 ms

epafiles_misc_dot_dkblue.gif

epafiles_misc_dot_dkblue.gif

47 ms

epafiles_ban_endtop.gif

epafiles_ban_endtop.gif

38 ms

epafiles_logo_epaseal.gif

epafiles_logo_epaseal.gif

38 ms

epafiles_btn_gosearch.gif

epafiles_btn_gosearch.gif

288 ms

epafiles_ban_topepa.gif

epafiles_ban_topepa.gif

335 ms

epafiles_ban_endbottom.gif

epafiles_ban_endbottom.gif

376 ms

epafiles_misc_space.gif

epafiles_misc_space.gif

414 ms

epafiles_misc_dot_dkblue.gif

epafiles_misc_dot_dkblue.gif

428 ms

epafiles_ban_endtop.gif

epafiles_ban_endtop.gif

429 ms

epafiles_logo_epaseal.gif

epafiles_logo_epaseal.gif

431 ms

epafiles_epastyles.css

epafiles_epastyles.css

370 ms

epafiles_misc_bg.gif

epafiles_misc_bg.gif

41 ms

Accessibility Review

yosemite.epa.gov accessibility score

72

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

yosemite.epa.gov best practices score

75

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

SEO Factors

yosemite.epa.gov SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yosemite.epa.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 Yosemite.epa.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

yosemite.epa.gov

Open Graph description is not detected on the main page of Yosemite 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: