5.5 sec in total
1.8 sec
3.4 sec
234 ms
Click here to check amazing Jena Bioscience content for United States. Otherwise, check out these important facts you probably never knew about jenabioscience.com
Visit jenabioscience.comWe analyzed Jenabioscience.com page load time and found that the first response time was 1.8 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
jenabioscience.com performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value8.5 s
1/100
25%
Value4.3 s
76/100
10%
Value300 ms
78/100
30%
Value0
100/100
15%
Value3.9 s
89/100
10%
1841 ms
461 ms
284 ms
376 ms
47 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 90% of them (70 requests) were addressed to the original Jenabioscience.com, 3% (2 requests) were made to Apis.google.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jenabioscience.com.
Page size can be reduced by 171.4 kB (40%)
429.4 kB
258.0 kB
In fact, the total size of Jenabioscience.com main page is 429.4 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. 35% of websites need less resources to load. Images take 228.5 kB which makes up the majority of the site volume.
Potential reduce by 34.9 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 34.9 kB or 77% of the original size.
Potential reduce by 30.4 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, Jena Bioscience needs image optimization as it can save up to 30.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 80.0 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 80.0 kB or 64% of the original size.
Potential reduce by 26.0 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. Jenabioscience.com needs all CSS files to be minified and compressed as it can save up to 26.0 kB or 86% of the original size.
Number of requests can be reduced by 30 (39%)
77
47
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jena Bioscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
jenabioscience.com
1841 ms
jqfn.js
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format.css
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style2.css
376 ms
plusone.js
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FB.Share
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bg_mm_h_left.gif
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analytics.js
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bg_header.jpg
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logo.gif
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icon_basket.gif
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icon_gplus.png
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icon_facebook.png
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plasmid_prep_kits.png
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int_distributors_3.jpg
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head_newsletter.gif
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cb=gapi.loaded_0
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gplus.gif
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collect
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jenabioscience.com accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
jenabioscience.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
jenabioscience.com SEO score
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
DE
ISO-8859-1;
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jenabioscience.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Jenabioscience.com main page’s claimed encoding is iso-8859-1;. 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.
jenabioscience.com
Open Graph description is not detected on the main page of Jena Bioscience. 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: