9.2 sec in total
1.7 sec
7.3 sec
246 ms
Visit nhls.ac.za now to see the best up-to-date Nhls content for South Africa and also check out these interesting facts you probably never knew about nhls.ac.za
NHLS, National Health Laboratory Service, increasing access to health laboratory services to all people of South Africa and to build a world-class health laboratory service with a leading role in Afri...
Visit nhls.ac.zaWe analyzed Nhls.ac.za page load time and found that the first response time was 1.7 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
nhls.ac.za performance score
name
value
score
weighting
Value13.2 s
0/100
10%
Value55.3 s
0/100
25%
Value48.5 s
0/100
10%
Value2,060 ms
7/100
30%
Value0.037
100/100
15%
Value56.9 s
0/100
10%
1666 ms
1264 ms
515 ms
2311 ms
772 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 97% of them (63 requests) were addressed to the original Nhls.ac.za, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Nhls.ac.za.
Page size can be reduced by 449.8 kB (17%)
2.6 MB
2.2 MB
In fact, the total size of Nhls.ac.za main page is 2.6 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 2.4 MB which makes up the majority of the site volume.
Potential reduce by 22.1 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 6.1 kB, which is 21% 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 22.1 kB or 76% of the original size.
Potential reduce by 231.8 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. Nhls images are well optimized though.
Potential reduce by 34 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 195.8 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. Nhls.ac.za needs all CSS files to be minified and compressed as it can save up to 195.8 kB or 89% of the original size.
Number of requests can be reduced by 3 (6%)
49
46
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nhls. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
nhls.ac.za
1666 ms
style.css
1264 ms
nivo.slider.css
515 ms
extra.css
2311 ms
timeline.css
772 ms
jquery-1.7.1.min.js
2059 ms
jquery.blockUI.js
1269 ms
nivo.slider.js
1270 ms
jcarousellite.js
1025 ms
cufon-yui.js
1527 ms
Myriad_400.font.js
1775 ms
jscal2.js
2024 ms
nhls.js
1520 ms
jquery.js
2774 ms
tl.js
2030 ms
cufon-replace.js
1263 ms
html_bg.png
1090 ms
New_CEO_Poster_Joyce_Mogale5.jpg
1014 ms
website_banner_awards.jpg
1015 ms
External_customer_satisfaction_survey_2016.jpg
1533 ms
Ethiopian_Delegation_Visit.jpg
2051 ms
USA_Dept_of_Health_Delegationver_1.jpg
1773 ms
parliaments_portfolio_committee1.jpg
1919 ms
Tip_Offs_nhlsweb_Banner.jpg
1777 ms
body_bg.png
1271 ms
nhls_logo.jpg
1529 ms
blank.gif
1779 ms
welcome.png
1784 ms
nationalBiobank.jpg
2036 ms
Survey_Banner7.jpg
2027 ms
locate_lab.jpg
2029 ms
nhls_banner_2015_home.jpg
2038 ms
nhls_13_years_banner1.jpg
2176 ms
nicd_logo.jpg
2287 ms
manto_tshabalala.jpg
2289 ms
nhls_13_years_banner4.jpg
2293 ms
Prof_Himla_Soodhal.jpg
2294 ms
Prof_Mizrahi.jpg
2303 ms
nhls_13_years_banner7.jpg
2435 ms
trakcare_logo.jpg
2544 ms
savp.jpg
2549 ms
orlando_tower.jpg
2547 ms
edenvale_lab.jpg
2551 ms
penny_lynn.jpg
2557 ms
bid_awards.jpg
2698 ms
hiv_aids_tested.jpg
2804 ms
european_award.jpg
2799 ms
index_research.jpg
2804 ms
index_training.jpg
2807 ms
logo.png
2808 ms
search_bg.jpg
2945 ms
shortcuts.png
3301 ms
ga.js
57 ms
__utm.gif
12 ms
nav_bg.png
2438 ms
splash_holder_bg.png
2057 ms
loading.gif
2060 ms
button_readmore.png
1814 ms
dot.png
1684 ms
biggerdot.png
1790 ms
article_bg.jpg
1550 ms
footer_bg.png
1804 ms
nhls.ac.za
1674 ms
arrows.png
1679 ms
bullets.png
1659 ms
nhls.ac.za 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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
nhls.ac.za 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
nhls.ac.za 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
robots.txt is not valid
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 Nhls.ac.za 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 Nhls.ac.za 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.
nhls.ac.za
Open Graph description is not detected on the main page of Nhls. 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: