2.9 sec in total
824 ms
1.7 sec
327 ms
Click here to check amazing Life Vest ZOLL content for United States. Otherwise, check out these important facts you probably never knew about lifevest.zoll.com
LifeVest® is a proven therapy for patients at risk of sudden cardiac death, allowing patients to return to most of their daily activities with peace of mind that they have protection.
Visit lifevest.zoll.comWe analyzed Lifevest.zoll.com page load time and found that the first response time was 824 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
lifevest.zoll.com performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value12.7 s
0/100
25%
Value6.7 s
36/100
10%
Value390 ms
69/100
30%
Value0.515
15/100
15%
Value10.0 s
27/100
10%
824 ms
45 ms
216 ms
71 ms
70 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 80% of them (52 requests) were addressed to the original Lifevest.zoll.com, 5% (3 requests) were made to and 3% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (824 ms) belongs to the original domain Lifevest.zoll.com.
Page size can be reduced by 355.3 kB (19%)
1.9 MB
1.5 MB
In fact, the total size of Lifevest.zoll.com main page is 1.9 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 44.5 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 44.5 kB or 83% of the original size.
Potential reduce by 23.3 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. Life Vest ZOLL images are well optimized though.
Potential reduce by 181.6 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 181.6 kB or 65% of the original size.
Potential reduce by 105.9 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. Lifevest.zoll.com needs all CSS files to be minified and compressed as it can save up to 105.9 kB or 81% of the original size.
Number of requests can be reduced by 35 (58%)
60
25
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Life Vest ZOLL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.
lifevest.zoll.com
824 ms
font-awesome.min.css
45 ms
lkt6spf.js
216 ms
system.base.css
71 ms
system.menus.css
70 ms
system.messages.css
80 ms
system.theme.css
81 ms
comment.css
79 ms
date.css
101 ms
datepicker.1.7.css
101 ms
field.css
110 ms
i18n_menu_overview.css
111 ms
node.css
111 ms
search.css
121 ms
user.css
131 ms
views.css
131 ms
ckeditor.css
139 ms
ctools.css
141 ms
custom_search.css
141 ms
superfish.css
152 ms
zoll_default.css
163 ms
jquery.fancybox.css
162 ms
style.css
300 ms
jquery.min.js
271 ms
jquery.once.js
173 ms
drupal.js
184 ms
custom_search.js
194 ms
jquery.hoverIntent.minified.js
193 ms
supposition.js
205 ms
superfish.js
222 ms
supersubs.js
225 ms
superfish.js
226 ms
modernizr-2.6.2-respond-1.1.0.min.js
269 ms
plugins.js
250 ms
script.js
257 ms
d
227 ms
globe.jpg
184 ms
logo.gif
98 ms
Screen%20Shot%202015-09-24%20at%202.07.41%20PM.png
99 ms
1920x667_homepage_man_boy.jpg
620 ms
Homepage_SliderBanners_1920x667_2.jpg
219 ms
Homepage_SliderBanners_1920x667_3.jpg
155 ms
1920x667_homepage_couple_dog.jpg
240 ms
500x250_homepage_man_boy.jpg
153 ms
SCA_Risk_PostPCI.jpg
150 ms
flashcontent-divider.gif
152 ms
phone.png
166 ms
fax.png
216 ms
mouse.png
218 ms
EN.png
219 ms
DE_60x40.jpg
219 ms
FR_60x40.jpg
220 ms
IT_60x40.jpg
220 ms
CH_60x40.jpg
235 ms
EN_60x40.jpg
235 ms
zoll-logo-white.png
236 ms
search.jpg
213 ms
gas.min.js
66 ms
ga.js
16 ms
SUFZQVXBSMFBIUAhBOxeIwYI0AGTegzoQA5D5CXDK4bXDG8Y3jIcYrgMAL0RQrg=
8 ms
qS2sGeb2dSe7AHe5qqrobaudKO77N82f3WRzRbHFecu76R88MkXa14PvIFCsgA=
9 ms
8BTrZtjk=
8 ms
fontawesome-webfont.woff
57 ms
__utm.gif
25 ms
p.gif
121 ms
lifevest.zoll.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.
lifevest.zoll.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
lifevest.zoll.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lifevest.zoll.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 Lifevest.zoll.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.
lifevest.zoll.com
Open Graph description is not detected on the main page of Life Vest ZOLL. 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: