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osha.gov screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

osha.gov

Home | Occupational Safety and Health Administration

Page Load Speed

44 sec in total

First Response

1.6 sec

Resources Loaded

32.1 sec

Page Rendered

10.3 sec

osha.gov screenshot

About Website

Click here to check amazing Osha content for United States. Otherwise, check out these important facts you probably never knew about osha.gov

Occupational Safety and Health Administration - Home

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Key Findings

We analyzed Osha.gov page load time and found that the first response time was 1.6 sec and then it took 42.4 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.

Performance Metrics

osha.gov performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

www.osha.gov

1631 ms

bootstrap.css

1023 ms

prettify.css

1333 ms

bootstrap-responsive.css

1814 ms

header_footer.css

1798 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 51% of them (35 requests) were addressed to the original Osha.gov, 7% (5 requests) were made to Platform.twitter.com and 6% (4 requests) were made to Search.usa.gov. The less responsive or slowest element that took the longest time to load (6.5 sec) relates to the external source D15vqlr7iz6e8x.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (27%)

Content Size

5.3 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Osha.gov main page is 5.3 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. 70% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 191.6 kB

  • Original 237.6 kB
  • After minification 167.9 kB
  • After compression 46.0 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. This page needs HTML code to be minified as it can gain 69.7 kB, which is 29% 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 191.6 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 181.4 kB

  • Original 3.4 MB
  • After minification 3.2 MB

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. Osha images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 535.8 kB

  • Original 1.1 MB
  • After minification 1.0 MB
  • After compression 521.8 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 535.8 kB or 51% of the original size.

CSS Optimization

-83%

Potential reduce by 514.5 kB

  • Original 617.8 kB
  • After minification 554.1 kB
  • After compression 103.2 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. Osha.gov needs all CSS files to be minified and compressed as it can save up to 514.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (64%)

Requests Now

66

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.osha.gov

www.osha.gov

1631 ms

bootstrap.css

bootstrap.css

1023 ms

prettify.css

prettify.css

1333 ms

bootstrap-responsive.css

bootstrap-responsive.css

1814 ms

header_footer.css

header_footer.css

1798 ms

oshapub-styles-bootstrap.css

oshapub-styles-bootstrap.css

1925 ms

jquery-ui.css

jquery-ui.css

3047 ms

font-awesome.min.css

font-awesome.min.css

3191 ms

responsive-embed.css

responsive-embed.css

2772 ms

mega-menu.css

mega-menu.css

2772 ms

respond.js

respond.js

2772 ms

jquery.min.js

jquery.min.js

3074 ms

jquery-ui.min.js

jquery-ui.min.js

3918 ms

bootstrap.min.js

bootstrap.min.js

2770 ms

W_Helpful_osha.js

W_Helpful_osha.js

2769 ms

dateSimple.js

dateSimple.js

2685 ms

redirect.js

redirect.js

2900 ms

search.css

search.css

2899 ms

homepage.css

homepage.css

2899 ms

maps.css

maps.css

2898 ms

featured_images_script.js

featured_images_script.js

2899 ms

cycle2.js

cycle2.js

2898 ms

element.js

element.js

2699 ms

widgets.js

widgets.js

2465 ms

map2.js

map2.js

2196 ms

28.js

28.js

5377 ms

Universal-Federated-Analytics-Min.js

Universal-Federated-Analytics-Min.js

3055 ms

cycle2_marquee.js

cycle2_marquee.js

2195 ms

print.css

print.css

2661 ms

remote.loader.js

remote.loader.js

740 ms

googlelogo_color_42x16dp.png

googlelogo_color_42x16dp.png

380 ms

sayt_loader.js

sayt_loader.js

114 ms

translateelement.css

translateelement.css

2711 ms

main.js

main.js

3197 ms

hurricanes-floods.jpg

hurricanes-floods.jpg

220 ms

ita.jpg

ita.jpg

191 ms

berylliumrule2017.jpg

berylliumrule2017.jpg

190 ms

HeatSafetyCampaign.jpg

HeatSafetyCampaign.jpg

190 ms

homepage_contact.png

homepage_contact.png

173 ms

homepage_complaint.png

homepage_complaint.png

172 ms

homepage_report.png

homepage_report.png

248 ms

homepage_whistleblower.png

homepage_whistleblower.png

248 ms

homepage_employers.png

homepage_employers.png

248 ms

homepage_map.png

homepage_map.png

248 ms

homepage_faq.png

homepage_faq.png

247 ms

qtbutton.png

qtbutton.png

176 ms

sayt.css

sayt.css

144 ms

sayt_loader_libs.js

sayt_loader_libs.js

206 ms

logo.png

logo.png

2156 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1002 ms

element_main.js

element_main.js

1507 ms

mixpanel-2-latest.min.js

mixpanel-2-latest.min.js

1785 ms

dol-logo-white.png

dol-logo-white.png

4571 ms

analytics.js

analytics.js

5023 ms

external_link_icon.gif

external_link_icon.gif

5510 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

6513 ms

button.3ccb64e61d4c01fae12cd2b0ed9b2bab.js

button.3ccb64e61d4c01fae12cd2b0ed9b2bab.js

5028 ms

timeline.bc7ee675e57cb01f4d1e255156414e73.js

timeline.bc7ee675e57cb01f4d1e255156414e73.js

5026 ms

5709 ms

5473 ms

5473 ms

translate_24dp.png

translate_24dp.png

1486 ms

l

l

1359 ms

collect

collect

1175 ms

collect

collect

1266 ms

translate_24dp.png

translate_24dp.png

968 ms

profile

profile

3360 ms

follow_button.f8c8d971a6ac545cf416e3c1ad4bbc65.en.html

follow_button.f8c8d971a6ac545cf416e3c1ad4bbc65.en.html

2480 ms

tweet_button.f8c8d971a6ac545cf416e3c1ad4bbc65.en.html

tweet_button.f8c8d971a6ac545cf416e3c1ad4bbc65.en.html

2479 ms

Accessibility Review

osha.gov accessibility score

86

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 IDs are not unique

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

osha.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

osha.gov SEO score

73

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osha.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 Osha.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

osha.gov

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