9.3 sec in total
2.5 sec
6.4 sec
394 ms
Welcome to divetub.com.au homepage info - get ready to check DIVETUB best content right away, or after learning these important things about divetub.com.au
Diving Courses & Equipment in Perth, Western Australia
Visit divetub.com.auWe analyzed Divetub.com.au page load time and found that the first response time was 2.5 sec and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
divetub.com.au performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value8.4 s
2/100
25%
Value4.1 s
79/100
10%
Value1,210 ms
20/100
30%
Value0.402
25/100
15%
Value9.5 s
30/100
10%
2512 ms
74 ms
1181 ms
474 ms
475 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 85% of them (46 requests) were addressed to the original Divetub.com.au, 7% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Divetub.com.au.
Page size can be reduced by 232.4 kB (36%)
638.1 kB
405.8 kB
In fact, the total size of Divetub.com.au main page is 638.1 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. 30% of websites need less resources to load. Images take 387.9 kB which makes up the majority of the site volume.
Potential reduce by 59.8 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 23.6 kB, which is 35% 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 59.8 kB or 89% of the original size.
Potential reduce by 50.8 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. Obviously, DIVETUB needs image optimization as it can save up to 50.8 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 121.8 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 121.8 kB or 67% of the original size.
Number of requests can be reduced by 27 (55%)
49
22
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DIVETUB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
www.divetub.com.au
2512 ms
css
74 ms
jquery-1.7.1.min.js
1181 ms
sidebar_menu.js
474 ms
scripts.js
475 ms
jquery.prettyPhoto.js
722 ms
widgets.css
789 ms
cookies.js
1007 ms
analytics.js
44 ms
body-bg.jpg
942 ms
logo.gif
244 ms
top-log0.jpg
482 ms
form-search-bg.gif
245 ms
input-bg-1.gif
242 ms
bkg_button-1.gif
246 ms
divingphotog.jpg
480 ms
tdsbook76.jpg
480 ms
ac_intermediate_gauge.jpg
480 ms
603.jpg
487 ms
lifeline_gps_radio_for_scuba_divers__46235.1405468922.1280.1280.jpg
722 ms
hog-0411a_hog_sidemount.jpg
717 ms
1890577_717850784921841_190869152_o.jpg
718 ms
persp_3.png
718 ms
nerd_big-420x357.jpg
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exdemos.jpg
1190 ms
col_left_callout_2.png
1659 ms
followus.jpg
959 ms
facebook.jpg
958 ms
marker-1.gif
940 ms
list-top-bg.gif
1146 ms
marker-2.png
1167 ms
page-title-bg.gif
1171 ms
product-info-box-bg.png
1178 ms
product-name-border-1.png
1380 ms
bkg_button.gif
1397 ms
bkg_button_marker.gif
1402 ms
k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff
72 ms
EInbV5DfGHOiMmvb1Xr-hnhCUOGz7vYGh680lGh-uXM.woff
112 ms
MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff
112 ms
cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff
112 ms
collect
12 ms
collect
83 ms
bkg_button_marker_2.gif
1348 ms
sidebar-menu-bg.gif
1346 ms
sidebar-menu-marker.png
1545 ms
sidebar-menu-bg-2.png
1563 ms
block-title-1.gif
1565 ms
block-title-3.gif
1561 ms
cart-icon.png
1570 ms
block-content-bg-2.gif
1765 ms
block-title-2.gif
1778 ms
block-content-bg-1.gif
1664 ms
marker-5.png
1664 ms
print.css
299 ms
divetub.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
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>).
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.
divetub.com.au 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
Browser errors were logged to the console
Page has valid source maps
divetub.com.au SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 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 Divetub.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 Divetub.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.
divetub.com.au
Open Graph description is not detected on the main page of DIVETUB. 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: