4.5 sec in total
642 ms
3.4 sec
493 ms
Visit info.zrtlab.com now to see the best up-to-date Info ZRT Lab content for United States and also check out these interesting facts you probably never knew about info.zrtlab.com
ZRT is a CLIA certified diagnostic laboratory dedicated to supporting consumers and healthcare professionals through accurate, convenient lab testing.
Visit info.zrtlab.comWe analyzed Info.zrtlab.com page load time and found that the first response time was 642 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
info.zrtlab.com performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value14.3 s
0/100
25%
Value13.6 s
2/100
10%
Value11,080 ms
0/100
30%
Value0.425
22/100
15%
Value18.5 s
3/100
10%
642 ms
341 ms
885 ms
81 ms
91 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Info.zrtlab.com, 59% (44 requests) were made to Zrtlab.com and 5% (4 requests) were made to I.vimeocdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Zrtlab.com.
Page size can be reduced by 268.2 kB (8%)
3.3 MB
3.1 MB
In fact, the total size of Info.zrtlab.com main page is 3.3 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. 65% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.
Potential reduce by 65.2 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 31.5 kB, which is 43% 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 65.2 kB or 89% of the original size.
Potential reduce by 175.5 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. Info ZRT Lab images are well optimized though.
Potential reduce by 18.2 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 18.2 kB or 15% of the original size.
Potential reduce by 9.2 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. Info.zrtlab.com needs all CSS files to be minified and compressed as it can save up to 9.2 kB or 12% of the original size.
Number of requests can be reduced by 29 (45%)
65
36
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Info ZRT Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
info.zrtlab.com
642 ms
info.zrtlab.com
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www.zrtlab.com
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font-awesome.css
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bootstrap.css
243 ms
base.css
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plugins.css
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palette.css
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flexbox.css
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jquery-2.1.1.min.js
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modernizr.js
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slick.min.js
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application.js
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js
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446347.js
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blue-seal-120-61-bbb-22014906.png
201 ms
icon-search.png
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zrt_primary_logo.png
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wellness-suite-launch-125.png
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13 ms
info.zrtlab.com accessibility score
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
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
info.zrtlab.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
info.zrtlab.com SEO score
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 Info.zrtlab.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 Info.zrtlab.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.
info.zrtlab.com
Open Graph data is detected on the main page of Info ZRT Lab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: