5 sec in total
1.2 sec
3.5 sec
242 ms
Click here to check amazing Underseas content for United States. Otherwise, check out these important facts you probably never knew about underseas.com
Scuba Diving Chicago: Learn to Scuba Dive at Underseas Scuba Center! Be a scuba diver! Get certified, get equipped and go diving with Underseas Scuba Center, Chicagoland's quality dive center for PADI...
Visit underseas.comWe analyzed Underseas.com page load time and found that the first response time was 1.2 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
underseas.com performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value8.7 s
1/100
25%
Value8.1 s
20/100
10%
Value290 ms
80/100
30%
Value0.024
100/100
15%
Value13.5 s
11/100
10%
1213 ms
136 ms
287 ms
195 ms
198 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 75% of them (50 requests) were addressed to the original Underseas.com, 6% (4 requests) were made to Fonts.googleapis.com and 6% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Underseas.com.
Page size can be reduced by 681.9 kB (48%)
1.4 MB
731.2 kB
In fact, the total size of Underseas.com main page is 1.4 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. 50% of websites need less resources to load. Javascripts take 554.2 kB which makes up the majority of the site volume.
Potential reduce by 41.0 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 8.4 kB, which is 16% 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 41.0 kB or 79% of the original size.
Potential reduce by 18.9 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. Underseas images are well optimized though.
Potential reduce by 384.6 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 384.6 kB or 69% of the original size.
Potential reduce by 237.5 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. Underseas.com needs all CSS files to be minified and compressed as it can save up to 237.5 kB or 85% of the original size.
Number of requests can be reduced by 35 (56%)
62
27
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Underseas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
underseas.com
1213 ms
slideshow.css
136 ms
jquery.min.js
287 ms
jquery-noconflict.js
195 ms
jquery-migrate.min.js
198 ms
caption.js
196 ms
mootools-core.js
276 ms
core.js
222 ms
mootools-more.js
544 ms
bootstrap.min.js
318 ms
system.css
318 ms
bootstrap.css
515 ms
typo.css
398 ms
jstuff.css
381 ms
animate.css
593 ms
font-awesome.css
459 ms
nexus.css
500 ms
responsive.css
522 ms
css
26 ms
css
37 ms
css
47 ms
css
48 ms
modernizr.custom.js
592 ms
responsive-nav.js
613 ms
jquery.slides.min.js
574 ms
jquery.stellar.js
595 ms
sdk.js
15 ms
system.css
74 ms
227 ms
water.jpg
178 ms
twitter.png
202 ms
facebook.png
201 ms
googleplus.png
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youtube.png
163 ms
pinterest.png
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blogger.png
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dribbble.png
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flickr.png
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vimeo.png
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USC.png
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prev.png
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banner_home1.jpg
370 ms
banner_home2.jpg
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banner_home3.jpg
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banner_home4.jpg
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01.png
423 ms
02.png
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03.png
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dive_travel_2012.jpg
526 ms
elearning_spacer.png
556 ms
eLearning_qtr2.gif
551 ms
learnmore.png
592 ms
instruction.jpg
600 ms
suuntosclogo1.gif
574 ms
underseas.com
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cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
123 ms
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analytics.js
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xd_arbiter.php
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underseas.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
underseas.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
General
Impact
Issue
Detected JavaScript libraries
underseas.com SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Underseas.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 Underseas.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.
underseas.com
Open Graph data is detected on the main page of Underseas. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: