4.9 sec in total
609 ms
4.1 sec
159 ms
Visit lab-on-line.com now to see the best up-to-date Lab On Line content for South Africa and also check out these interesting facts you probably never knew about lab-on-line.com
To be successful in life, you must be visually intelligent. Visual intelligence is the ability to interpret, understand and link information.
Visit lab-on-line.comWe analyzed Lab-on-line.com page load time and found that the first response time was 609 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
lab-on-line.com performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value9.9 s
0/100
25%
Value15.4 s
1/100
10%
Value2,290 ms
5/100
30%
Value0.033
100/100
15%
Value31.7 s
0/100
10%
609 ms
254 ms
494 ms
1250 ms
755 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Lab-on-line.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Lab-on-line.com.
Page size can be reduced by 324.9 kB (37%)
874.8 kB
549.9 kB
In fact, the total size of Lab-on-line.com main page is 874.8 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. 20% of websites need less resources to load. Images take 480.4 kB which makes up the majority of the site volume.
Potential reduce by 4.5 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. This page needs HTML code to be minified as it can gain 730 B, which is 12% 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 4.5 kB or 71% of the original size.
Potential reduce by 20.3 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. Lab On Line images are well optimized though.
Potential reduce by 293.6 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 293.6 kB or 77% of the original size.
Potential reduce by 6.5 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. Lab-on-line.com needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 78% of the original size.
Number of requests can be reduced by 8 (42%)
19
11
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab On Line. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
lab-on-line.com
609 ms
base-design.css
254 ms
landing-page.css
494 ms
prototype.js
1250 ms
effects.js
755 ms
dragdrop.js
762 ms
controls.js
765 ms
application.js
512 ms
lab.js
738 ms
jquery.js
1285 ms
loader.js
252 ms
system.js
248 ms
Logo_header.jpg
258 ms
LAB-main.jpg
2191 ms
main1_new.jpg
1598 ms
main2.jpg
249 ms
main3.jpg
708 ms
main4.jpg
975 ms
sep_line.jpg
497 ms
lab_foot_new.jpg
770 ms
lab-on-line.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
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.
lab-on-line.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
Page has valid source maps
lab-on-line.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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lab-on-line.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 Lab-on-line.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.
lab-on-line.com
Open Graph description is not detected on the main page of Lab On Line. 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: