9.9 sec in total
48 ms
8.4 sec
1.5 sec
Visit ista.com.au now to see the best up-to-date Ista content for Australia and also check out these interesting facts you probably never knew about ista.com.au
Visit ista.com.auWe analyzed Ista.com.au page load time and found that the first response time was 48 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
ista.com.au performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value5.5 s
19/100
25%
Value6.8 s
34/100
10%
Value2,250 ms
6/100
30%
Value0.027
100/100
15%
Value14.5 s
8/100
10%
48 ms
153 ms
3227 ms
132 ms
341 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ista.com.au, 93% (75 requests) were made to Central.nsta.edu.au and 2% (2 requests) were made to Footscray.nsta.edu.au. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Central.nsta.edu.au.
Page size can be reduced by 2.7 MB (29%)
9.4 MB
6.7 MB
In fact, the total size of Ista.com.au main page is 9.4 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 9.0 MB which makes up the majority of the site volume.
Potential reduce by 107.5 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 25.3 kB, which is 19% 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 107.5 kB or 82% of the original size.
Potential reduce by 2.5 MB
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, Ista needs image optimization as it can save up to 2.5 MB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 65.8 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 65.8 kB or 47% of the original size.
Potential reduce by 69.9 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. Ista.com.au needs all CSS files to be minified and compressed as it can save up to 69.9 kB or 50% of the original size.
Number of requests can be reduced by 36 (48%)
75
39
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ista. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
ista.com.au
48 ms
www.central.nsta.edu.au
153 ms
central.nsta.edu.au
3227 ms
style.min.css
132 ms
styles.css
341 ms
tutor-icon.css
203 ms
plyr.css
214 ms
tutor-front.min.css
373 ms
style.css
399 ms
css
27 ms
owl.carousel.min.css
218 ms
jquery.fancybox-1.3.4.min.css
276 ms
animate.min.css
294 ms
style.css
290 ms
jquery.min.js
481 ms
jquery-migrate.min.js
368 ms
wp-polyfill-inert.min.js
316 ms
regenerator-runtime.min.js
428 ms
wp-polyfill.min.js
571 ms
index.js
427 ms
quicktags.min.js
517 ms
core.min.js
519 ms
mouse.min.js
518 ms
sortable.min.js
594 ms
plyr.polyfilled.min.js
624 ms
SocialShare.min.js
596 ms
hooks.min.js
598 ms
i18n.min.js
596 ms
tutor.js
629 ms
tutor-front.js
628 ms
datepicker.min.js
629 ms
child-custom.js
638 ms
owl.carousel.min.js
650 ms
jquery.fancybox-1.3.4.min.js
641 ms
navigation.js
644 ms
isotope.pkgd.min.js
642 ms
waypoint.min.js
641 ms
jquery.counterup.min.js
670 ms
custom.min.js
672 ms
api.js
106 ms
index.js
693 ms
cropped-NSTA-Ashmore_Homepage-Banner.jpg
3053 ms
logo-nstacentral.png
240 ms
right-arrow.png
245 ms
right-arrow-dark.png
249 ms
CPPSEC3114-NSTA-440x304.png
416 ms
RIIWHS205E_NSTA-440x304.png
380 ms
RIIWHS302E_NSTA-440x304.png
383 ms
CPP50619-_Course-440x304.png
400 ms
CPP40719-Course-1-1-440x304.png
490 ms
HLTAID009_Course-440x304.png
526 ms
HLTAID011_Course1-1-440x304.png
509 ms
AVI20118_Course-1-440x304.png
547 ms
NSTA-Security-Operations.png
541 ms
Images-for-Banners-Security-11-440x304.png
560 ms
footscray-Home-Blocks-1.jpg
580 ms
NSTA-Footscray-Training.png
785 ms
NSTA-Footscray-Training-2.png
929 ms
Eleni-Yannacaros.jpg
733 ms
Ray-Parmenter.jpg
623 ms
Mary-Meehan.jpg
599 ms
Gary-Schellebeck.jpg
656 ms
footscray-First-Aid-Blog.png
685 ms
Women-in-Uniform_image3-440x304.webp
765 ms
002-money.png
726 ms
policeman.png
702 ms
001-user.png
752 ms
big-bg.png
747 ms
cta-bg.png
765 ms
registered-1.png
784 ms
NRT-logo-300x239-1-2.png
791 ms
1-300x80.png
807 ms
asial.png
809 ms
Jester-events-logo-2-300x250.png
856 ms
Procom-Logo-300x49.jpeg
958 ms
phone.svg
848 ms
message.svg
856 ms
location.svg
784 ms
commerce.png
777 ms
404.html
82 ms
404.html
83 ms
ista.com.au 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
Image elements do not have [alt] attributes
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
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>).
ista.com.au best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
ista.com.au 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
Image elements do not have [alt] attributes
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 Ista.com.au 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 Ista.com.au 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.
ista.com.au
Open Graph description is not detected on the main page of Ista. 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: