3 sec in total
736 ms
1.9 sec
381 ms
Visit bigbluepro.com now to see the best up-to-date Bigbluepro content and also check out these interesting facts you probably never knew about bigbluepro.com
Big Blue Pro offers a 100% pass rate for SSI professional Scuba Diving courses on the island of Koh Tao, Thailand.
Visit bigbluepro.comWe analyzed Bigbluepro.com page load time and found that the first response time was 736 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
bigbluepro.com performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value1.6 s
99/100
25%
Value1.6 s
100/100
10%
Value0 ms
100/100
30%
Value0.032
100/100
15%
Value1.6 s
100/100
10%
736 ms
335 ms
183 ms
189 ms
720 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Bigbluepro.com, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Blog.bigbluepro.com. The less responsive or slowest element that took the longest time to load (857 ms) belongs to the original domain Bigbluepro.com.
Page size can be reduced by 246.4 kB (14%)
1.7 MB
1.5 MB
In fact, the total size of Bigbluepro.com main page is 1.7 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 18.9 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 18.9 kB or 74% of the original size.
Potential reduce by 22.0 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. Bigbluepro images are well optimized though.
Potential reduce by 155.9 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 155.9 kB or 69% of the original size.
Potential reduce by 49.6 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. Bigbluepro.com needs all CSS files to be minified and compressed as it can save up to 49.6 kB or 87% of the original size.
Number of requests can be reduced by 9 (32%)
28
19
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bigbluepro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
bigbluepro.com
736 ms
normalize.css
335 ms
search-button.png
183 ms
big-blue-pro-motto-banner.jpg
189 ms
pool2-size-change.jpg
720 ms
jquery-1.10.2.min.js
471 ms
jquery.cycle2.min.js
291 ms
jquery.reveal.js
190 ms
plugins.js
188 ms
blue-tile.jpg
123 ms
sprite.png
542 ms
big-blue-pro-wicked-diver.jpg
300 ms
big-blue-pro-instructor-walking-into-sea.jpg
602 ms
big-blue-pro-whaleshark.jpg
359 ms
big-blue-pro-longtail-driver-sairee-beach.jpg
387 ms
modal-gloss.png
307 ms
whitetrans.png
388 ms
sprite-quicklinks.jpg
404 ms
sea.jpg
857 ms
sprite-quicklinks2.jpg
652 ms
tripadvisor.jpg
566 ms
tripadvisor2.jpg
520 ms
tripadvisor3.jpg
674 ms
white.png
656 ms
bullet.png
665 ms
footer-tile1.jpg
708 ms
footer-opacity.png
766 ms
analytics.js
36 ms
collect
26 ms
bigbluepro.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
bigbluepro.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
bigbluepro.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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 Bigbluepro.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 Bigbluepro.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.
bigbluepro.com
Open Graph data is detected on the main page of Bigbluepro. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: