2.8 sec in total
83 ms
838 ms
1.9 sec
Visit americanbls.com now to see the best up-to-date American BLS content and also check out these interesting facts you probably never knew about americanbls.com
American BLS offers free CPR classes online. Training class include CPR, AED, First Aid or Bloodborne Pathogens. BLS certification options available.
Visit americanbls.comWe analyzed Americanbls.com page load time and found that the first response time was 83 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
americanbls.com performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value7.0 s
6/100
25%
Value3.3 s
90/100
10%
Value370 ms
71/100
30%
Value0.012
100/100
15%
Value7.0 s
53/100
10%
83 ms
221 ms
60 ms
61 ms
67 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 7% of them (3 requests) were addressed to the original Americanbls.com, 81% (35 requests) were made to Eadn-wc05-4166114.nxedge.io and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (221 ms) belongs to the original domain Americanbls.com.
Page size can be reduced by 136.8 kB (35%)
389.5 kB
252.8 kB
In fact, the total size of Americanbls.com main page is 389.5 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. 55% of websites need less resources to load. Images take 170.0 kB which makes up the majority of the site volume.
Potential reduce by 133.6 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 133.6 kB or 85% of the original size.
Potential reduce by 941 B
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. American BLS images are well optimized though.
Potential reduce by 82 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 2.2 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. Americanbls.com has all CSS files already compressed.
Number of requests can be reduced by 35 (85%)
41
6
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of American BLS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
americanbls.com
83 ms
www.americanbls.com
221 ms
style.css
60 ms
style.min.css
61 ms
theme.min.css
67 ms
frontend.min.css
64 ms
frontend-lite.min.css
114 ms
swiper.min.css
63 ms
post-337.css
69 ms
frontend-lite.min.css
106 ms
post-255.css
103 ms
post-3219.css
102 ms
post-3141.css
107 ms
css
51 ms
js
69 ms
script.js
48 ms
widget-icon-list.min.css
107 ms
widget-nav-menu.min.css
107 ms
widget-icon-box.min.css
185 ms
post-1591.css
82 ms
animations.min.css
136 ms
jquery.min.js
80 ms
jquery-migrate.min.js
137 ms
jquery.smartmenus.min.js
147 ms
webpack-pro.runtime.min.js
144 ms
webpack.runtime.min.js
145 ms
frontend-modules.min.js
146 ms
wp-polyfill-inert.min.js
149 ms
regenerator-runtime.min.js
147 ms
wp-polyfill.min.js
147 ms
hooks.min.js
148 ms
i18n.min.js
150 ms
frontend.min.js
150 ms
waypoints.min.js
149 ms
core.min.js
151 ms
frontend.min.js
151 ms
elements-handlers.min.js
151 ms
js
101 ms
analytics.js
95 ms
cpr-certification-online-card-300x166.jpg
78 ms
american-bls-logo-1.png
75 ms
online-bls-courses.jpg
76 ms
cpr-on-mannequin.jpg
74 ms
americanbls.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
americanbls.com 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
americanbls.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Americanbls.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 Americanbls.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.
americanbls.com
Open Graph data is detected on the main page of American BLS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: