4.5 sec in total
297 ms
4.1 sec
146 ms
Click here to check amazing Dive SSI content for United States. Otherwise, check out these important facts you probably never knew about divessi.com
For 50 years, SSI has provided high-quality training in Recreational Scuba, Extended Range, Rebreather Diving, Freediving, Swim, and Lifeguard programs.
Visit divessi.comWe analyzed Divessi.com page load time and found that the first response time was 297 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
divessi.com performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value11.1 s
0/100
25%
Value10.9 s
6/100
10%
Value660 ms
45/100
30%
Value0.004
100/100
15%
Value8.1 s
42/100
10%
297 ms
505 ms
69 ms
171 ms
181 ms
Our browser made a total of 123 requests to load all elements on the main page. We found that 77% of them (95 requests) were addressed to the original Divessi.com, 5% (6 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Divessi.com.
Page size can be reduced by 1.1 MB (25%)
4.5 MB
3.4 MB
In fact, the total size of Divessi.com main page is 4.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.5 MB which makes up the majority of the site volume.
Potential reduce by 93.7 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 93.7 kB or 81% of the original size.
Potential reduce by 397.3 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. Obviously, Dive SSI needs image optimization as it can save up to 397.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 475.1 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 475.1 kB or 72% of the original size.
Potential reduce by 134.5 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. Divessi.com needs all CSS files to be minified and compressed as it can save up to 134.5 kB or 85% of the original size.
Number of requests can be reduced by 59 (51%)
115
56
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dive SSI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
divessi.com
297 ms
www.divessi.com
505 ms
css
69 ms
divessi_red_2015_base.css
171 ms
divessi_red_2015.css
181 ms
thickbox.css
185 ms
jquery.min.js
46 ms
jquery-ui.min.js
67 ms
jquery.bxslider.js
216 ms
jquery.tipsy.js
216 ms
jquery.tablesorter.js
217 ms
jquery-ui-1.8.20.custom.css
260 ms
thickbox.js
268 ms
jquery.fancybox.js
356 ms
jquery.fancybox.css
270 ms
ckeditor.js
804 ms
jquery.js
281 ms
LKf8nhXsWg5ybwEGXk8UBQ.woff
72 ms
0XxGQsSc1g4rdRdjJKZrNBsxEYwM7FgeyaSgU71cLG0.woff
91 ms
SSI_LOGO_Horizontal_207_50.png
139 ms
ENG.gif
136 ms
DEU.gif
137 ms
NLD.gif
137 ms
POL.gif
138 ms
FRA.gif
136 ms
HUN.gif
231 ms
SWE.gif
227 ms
RUS.gif
228 ms
DNK.gif
229 ms
FIN.gif
228 ms
SLV.gif
232 ms
ITA.gif
317 ms
HRV.gif
317 ms
CZE.gif
320 ms
SRB.gif
316 ms
TUR.gif
319 ms
PTB.gif
323 ms
ESP.gif
406 ms
LAT.gif
410 ms
NOR.gif
405 ms
TWN.gif
409 ms
KOR.gif
408 ms
HEB.gif
411 ms
GRC.gif
494 ms
JPN.gif
495 ms
ARA.gif
499 ms
LIT.gif
496 ms
RON.gif
498 ms
BUL.gif
507 ms
CHN.gif
584 ms
THA.gif
582 ms
IDN.gif
585 ms
MSL.gif
587 ms
PTG.gif
586 ms
all.js
12 ms
analytics.js
35 ms
TGL.gif
595 ms
widgets.js
191 ms
89 ms
collect
72 ms
89 ms
xd_arbiter.php
45 ms
xd_arbiter.php
58 ms
BHJNeCKqnHf7vEZJqPHjnQ.woff
30 ms
jFw8tqoPabDVmpPiiemw_A.woff
52 ms
pqMzP52_r6zHbOILcX8h-A.woff
59 ms
8KSd63wo4FZWKnyHikOaeQ.woff
59 ms
collect
26 ms
UKR.gif
541 ms
FAS.gif
542 ms
DIV.gif
782 ms
DiverDiamond.png
719 ms
thumb_mini_divepro.png
542 ms
divetrophy.png
559 ms
like.php
75 ms
xd_arbiter.php
7 ms
missiondeepblue.png
540 ms
getyourapp_105_105.png
626 ms
facebook.png
630 ms
logo_youtube.png
558 ms
app_itunes.png
627 ms
app_google.png
649 ms
button.831500944bc3eb7ea5276ccdc3f71d2e.js
36 ms
vpc6VNjRPXV.js
28 ms
LVx-xkvaJ0b.png
23 ms
tweet_button.6a78875565a912489e9aef879c881358.en.html
72 ms
rwd_menu.png
628 ms
rwd_online_training.png
629 ms
rwd_dealer_search.png
630 ms
rwd_news_events.png
628 ms
like.php
70 ms
slider_image_card.jpg
925 ms
slider_image_dealer.jpg
950 ms
vpc6VNjRPXV.js
10 ms
slider_image_diver1.jpg
895 ms
slider_image_diver2.jpg
755 ms
slider_image_deepblue.jpg
714 ms
slider_image_kids.jpg
1453 ms
slider_image_divetrophy.jpg
804 ms
slider_image_online.jpg
1018 ms
jot
100 ms
arrow_down_2014.png
809 ms
Divemasters_Mares.jpg
1471 ms
splash_image_Tobias_Friedrich.jpg
1131 ms
splash_image_Extended_Range_Suunto_Janne_Suhonen.jpg
1234 ms
Digital_rEvolution.jpg
1160 ms
splash_image_Stephen_Frink_Scubapro_2.jpg
1190 ms
splash_image_MySSI_Tom_Huckert.jpg
1404 ms
splash_image_Professional_Scubapro_Stephen_Frink.jpg
1346 ms
splash_image_Tom_Huckert.jpg
1291 ms
loadingAnimation.gif
1235 ms
arrow_right.png
1325 ms
arrow_left.png
1351 ms
slider_image_card.jpg
1296 ms
slider_image_dealer.jpg
1417 ms
slider_image_diver1.jpg
1610 ms
slider_image_diver2.jpg
1793 ms
slider_image_deepblue.jpg
1297 ms
slider_image_kids.jpg
1276 ms
slider_image_divetrophy.jpg
1228 ms
slider_image_online.jpg
1300 ms
ui-bg_highlight-hard_100_f2f5f7_1x100.png
1300 ms
nr-768.min.js
16 ms
divessi.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
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.
divessi.com 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
Page has valid source maps
divessi.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Divessi.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 Divessi.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.
divessi.com
Open Graph description is not detected on the main page of Dive SSI. 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: