Tools & Wizards About Us
usmra.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

usmra.com

Mine Safety and Health Quizzes from the USMRA

Page Load Speed

2.2 sec in total

First Response

54 ms

Resources Loaded

2 sec

Page Rendered

163 ms

usmra.com screenshot

About Website

Welcome to usmra.com homepage info - get ready to check USMRA best content for United States right away, or after learning these important things about usmra.com

Choose from hundreds of quizzes containing thousands of questions and answers on mine rescue, mine safety and health, and emergency medical care. The pop quiz page of the United States Mine Rescue Ass...

Visit usmra.com

Key Findings

We analyzed Usmra.com page load time and found that the first response time was 54 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

usmra.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value5,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.154

75/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

usmra.com

54 ms

miningquiz.com

315 ms

js

79 ms

sharethis.js

34 ms

adsbygoogle.js

130 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Usmra.com, 46% (39 requests) were made to Miningquiz.com and 9% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (729 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 299.3 kB (25%)

Content Size

1.2 MB

After Optimization

901.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Usmra.com main page is 1.2 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. 65% of websites need less resources to load. Javascripts take 767.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 51.8 kB

  • Original 65.7 kB
  • After minification 65.5 kB
  • After compression 13.9 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 51.8 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 33.4 kB

  • Original 324.1 kB
  • After minification 290.7 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. USMRA images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 178.2 kB

  • Original 767.4 kB
  • After minification 765.2 kB
  • After compression 589.1 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 178.2 kB or 23% of the original size.

CSS Optimization

-83%

Potential reduce by 36.0 kB

  • Original 43.2 kB
  • After minification 30.7 kB
  • After compression 7.3 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. Usmra.com needs all CSS files to be minified and compressed as it can save up to 36.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (34%)

Requests Now

79

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of USMRA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

usmra.com

usmra.com

54 ms

miningquiz.com

miningquiz.com

315 ms

js

js

79 ms

sharethis.js

sharethis.js

34 ms

adsbygoogle.js

adsbygoogle.js

130 ms

show_ads.js

show_ads.js

202 ms

vault_120x120.png

vault_120x120.png

261 ms

cap.png

cap.png

340 ms

cap1.png

cap1.png

341 ms

blank.gif

blank.gif

260 ms

social_youtube.png

social_youtube.png

339 ms

disaster.jpg

disaster.jpg

338 ms

Evolution_200.png

Evolution_200.png

261 ms

OSHA.png

OSHA.png

339 ms

poetry_95x95.png

poetry_95x95.png

340 ms

music_95x95.png

music_95x95.png

298 ms

mine_safety.png

mine_safety.png

299 ms

ppt_85x85.png

ppt_85x85.png

298 ms

pdf_85x85.png

pdf_85x85.png

296 ms

video_85x85.png

video_85x85.png

325 ms

nav1_off.png

nav1_off.png

359 ms

nav2_off.png

nav2_off.png

360 ms

nav7_off.png

nav7_off.png

361 ms

nav8_off.png

nav8_off.png

359 ms

nav3_off.png

nav3_off.png

367 ms

nav6_off.png

nav6_off.png

381 ms

nav5_off.png

nav5_off.png

420 ms

nav4_off.png

nav4_off.png

422 ms

nav9_off.png

nav9_off.png

421 ms

free_training_games.png

free_training_games.png

568 ms

jquery.min.js

jquery.min.js

71 ms

scrolltopcontrol.js

scrolltopcontrol.js

468 ms

chrisdomroll.js

chrisdomroll.js

469 ms

js

js

150 ms

analytics.js

analytics.js

143 ms

show_ads_impl.js

show_ads_impl.js

257 ms

collect

collect

20 ms

search_records2.png

search_records2.png

277 ms

trapped_in_mine7.png

trapped_in_mine7.png

271 ms

cse.js

cse.js

24 ms

collect

collect

39 ms

cse.js

cse.js

52 ms

cse_element__en.js

cse_element__en.js

15 ms

default+en.css

default+en.css

11 ms

shiny.css

shiny.css

11 ms

collect

collect

140 ms

async-ads.js

async-ads.js

86 ms

branding.png

branding.png

81 ms

cse_theme_shiny_form_bg.png

cse_theme_shiny_form_bg.png

88 ms

clear.png

clear.png

60 ms

nav_logo114.png

nav_logo114.png

60 ms

nav1_on.png

nav1_on.png

87 ms

nav2_on.png

nav2_on.png

87 ms

nav7_on.png

nav7_on.png

86 ms

nav8_on.png

nav8_on.png

87 ms

nav3_on.png

nav3_on.png

88 ms

nav6_on.png

nav6_on.png

87 ms

nav5_on.png

nav5_on.png

119 ms

nav4_on.png

nav4_on.png

122 ms

nav9_on.png

nav9_on.png

124 ms

up1.png

up1.png

122 ms

zrt_lookup.html

zrt_lookup.html

104 ms

ads

ads

507 ms

small-grey-disclosure-arrow-down.png

small-grey-disclosure-arrow-down.png

77 ms

ads

ads

729 ms

cse_theme_shiny_form_bg.png

cse_theme_shiny_form_bg.png

25 ms

ads

ads

461 ms

collect

collect

24 ms

ads

ads

183 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

39 ms

load_preloaded_resource.js

load_preloaded_resource.js

31 ms

abg_lite.js

abg_lite.js

168 ms

window_focus.js

window_focus.js

175 ms

qs_click_protection.js

qs_click_protection.js

27 ms

ufs_web_display.js

ufs_web_display.js

25 ms

bbae3fd3506d8d9338f85d10ea9db8af.js

bbae3fd3506d8d9338f85d10ea9db8af.js

176 ms

icon.png

icon.png

22 ms

8741269557722925928

8741269557722925928

174 ms

css

css

164 ms

reactive_library.js

reactive_library.js

317 ms

ca-pub-4572730101251088

ca-pub-4572730101251088

156 ms

activeview

activeview

167 ms

kTHMZx0cHIYckq4LfdquT7z-vs9NpzV_z4TqTqTEE8o.js

kTHMZx0cHIYckq4LfdquT7z-vs9NpzV_z4TqTqTEE8o.js

60 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

166 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

166 ms

Accessibility Review

usmra.com accessibility score

92

Accessibility Issues

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

Image elements do not have [alt] attributes

Best Practices

usmra.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

usmra.com SEO score

67

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

Image elements do not have [alt] attributes

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 Usmra.com 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 Usmra.com 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

usmra.com

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