Tools & Wizards About Us
emtb.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

emtb.com

Public Safety Group - A Jones & Bartlett Learning Brand

Page Load Speed

1.1 sec in total

First Response

162 ms

Resources Loaded

835 ms

Page Rendered

148 ms

emtb.com screenshot

About Website

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

Public Safety Group, A Jones & Bartlett Learning Brand. EMS, Fire & Public Safety educational materials & solutions.

Visit emtb.com

Key Findings

We analyzed Emtb.com page load time and found that the first response time was 162 ms and then it took 983 ms 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

emtb.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

emtb.com

162 ms

emt.emszone.com

209 ms

ga.js

29 ms

main.css

62 ms

homepage.css

76 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Emtb.com, 65% (15 requests) were made to Emt.emszone.com and 17% (4 requests) were made to Emszone.com. The less responsive or slowest element that took the longest time to load (213 ms) relates to the external source Emszone.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.6 kB (34%)

Content Size

386.7 kB

After Optimization

255.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Emtb.com main page is 386.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 255.0 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 16.7 kB

  • Original 25.4 kB
  • After minification 24.8 kB
  • After compression 8.8 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 16.7 kB or 66% of the original size.

Image Optimization

-23%

Potential reduce by 59.4 kB

  • Original 255.0 kB
  • After minification 195.6 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, Emtb needs image optimization as it can save up to 59.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 47.2 kB

  • Original 95.4 kB
  • After minification 91.8 kB
  • After compression 48.2 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 47.2 kB or 49% of the original size.

CSS Optimization

-76%

Potential reduce by 8.3 kB

  • Original 10.9 kB
  • After minification 7.9 kB
  • After compression 2.6 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. Emtb.com needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Emtb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

emtb.com

emtb.com

162 ms

emt.emszone.com

emt.emszone.com

209 ms

ga.js

ga.js

29 ms

main.css

main.css

62 ms

homepage.css

homepage.css

76 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

213 ms

thickbox.js

thickbox.js

138 ms

thickbox.css

thickbox.css

153 ms

__utm.gif

__utm.gif

13 ms

page_bg_1.gif

page_bg_1.gif

91 ms

aaos.jpg

aaos.jpg

84 ms

select_chapter.jpg

select_chapter.jpg

121 ms

login.jpg

login.jpg

119 ms

jblasclogo.jpg

jblasclogo.jpg

146 ms

loadingAnimation.gif

loadingAnimation.gif

105 ms

header_hp.jpg

header_hp.jpg

198 ms

free_for_all_bg.jpg

free_for_all_bg.jpg

129 ms

free_for_all_bottom.jpg

free_for_all_bottom.jpg

139 ms

special_priv_bg.jpg

special_priv_bg.jpg

184 ms

special_priv_bottom.jpg

special_priv_bottom.jpg

164 ms

additional_res_bg.jpg

additional_res_bg.jpg

191 ms

additional_res_bottom.jpg

additional_res_bottom.jpg

189 ms

nr-885.min.js

nr-885.min.js

20 ms

Accessibility Review

emtb.com accessibility score

88

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

Links do not have a discernible name

Best Practices

emtb.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

emtb.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Emtb.com 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 Emtb.com main page’s claimed encoding is . 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

emtb.com

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