3.5 sec in total
434 ms
3 sec
122 ms
Visit book.jetstar.com now to see the best up-to-date Book Jetstar content for Australia and also check out these interesting facts you probably never knew about book.jetstar.com
Jetstar offers low fares all day every day from Australia's best cheap flights airline.
Visit book.jetstar.comWe analyzed Book.jetstar.com page load time and found that the first response time was 434 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
book.jetstar.com performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value12.3 s
0/100
25%
Value9.2 s
13/100
10%
Value2,480 ms
4/100
30%
Value0.011
100/100
15%
Value18.2 s
3/100
10%
434 ms
43 ms
59 ms
37 ms
81 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Book.jetstar.com, 59% (43 requests) were made to Static.jetstar.com and 5% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Api-ap-southeast-2-production.boxever.com.
Page size can be reduced by 1.6 MB (70%)
2.3 MB
673.0 kB
In fact, the total size of Book.jetstar.com main page is 2.3 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. 60% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 98.9 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 98.9 kB or 86% of the original size.
Potential reduce by 0 B
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. Book Jetstar images are well optimized though.
Potential reduce by 1.1 MB
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 1.1 MB or 68% of the original size.
Potential reduce by 344.4 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. Book.jetstar.com needs all CSS files to be minified and compressed as it can save up to 344.4 kB or 84% of the original size.
Number of requests can be reduced by 49 (80%)
61
12
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book Jetstar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
book.jetstar.com
434 ms
global-virtual-assistant-v3_4_111_0.min.css
43 ms
global-template-v3_4_111_0.min.css
59 ms
screen-search-global-template-v3_4_111_0.min.css
37 ms
jquery-1.9.1.min.js
81 ms
data-layer-head-v3_4_111_0.min.js
41 ms
data-layer-v3_4_111_0.min.js
47 ms
modernizr-2.7.1.min.js
41 ms
jquery.min.js
37 ms
jquery-migrate-1.2.1.min.js
40 ms
jquery.validate.min.js
76 ms
ga-tracking-v3_4_111_0.min.js
41 ms
pe.js
269 ms
js-pe-v3_4_111_0.min.js
41 ms
1796130135.js
146 ms
supertag.js
194 ms
javascriptresource
32 ms
footer-v3_4_111_0.min.js
69 ms
global-ajax-v3_4_111_0.min.js
40 ms
porthole.min.js
43 ms
global-virtual-assistant-v3_4_111_0.min.js
114 ms
VirtuOzLoader.js
5 ms
footer-en-v3_4_111_0.min.js
69 ms
jquery-ui-1.8.18.custom.min.js
109 ms
jquery.bgiframe.js
111 ms
booking-search-v3_4_111_0.min.js
113 ms
jquery.alerts.js
111 ms
global-template-v3_4_111_0.min.js
109 ms
owl.carousel-v3_4_111_0.min.js
109 ms
navi-carousel-v3_4_111_0.min.js
111 ms
ancillary-vouchers-v3_4_111_0.min.js
111 ms
ga.js
26 ms
logo-header.png
6 ms
logo-footer.png
8 ms
navitaire-logo.png
7 ms
supertag-code-v228.js
10 ms
deployment.js
1184 ms
analytics.js
11 ms
gpt.js
6 ms
jumpseat.js
46 ms
boxever-min.js
1566 ms
pubads_impl_81.js
11 ms
container.html
8 ms
12 ms
jumpseat.css
10 ms
jess.png
37 ms
bg-stripe-be.png
368 ms
bg_aircraft.jpg
338 ms
bg-multicity-search.png
30 ms
loader-bar.gif
31 ms
bcf54343-d033-41ee-bbd7-2b77df3fe7ba.woff
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button-spinner-black.gif
17 ms
button-spinner-orange.gif
15 ms
id
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clearpixel.gif
164 ms
sprite_nav-icons.png
177 ms
bg_nav-menu-input.gif
186 ms
bookings-sprite.png
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ec.js
14 ms
create.json
285 ms
id
11 ms
collect
24 ms
s74458287404850
6 ms
event
30 ms
collect
56 ms
create.json
306 ms
book.jetstar.com accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
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
Image elements do not have [alt] attributes
Links do not have a discernible name
book.jetstar.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
book.jetstar.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 doesn't use 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 Book.jetstar.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 Book.jetstar.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.
book.jetstar.com
Open Graph description is not detected on the main page of Book Jetstar. 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: