7.1 sec in total
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274 ms
Welcome to divebelowh2oscuba.com homepage info - get ready to check Dive Below H2O SCUBA best content right away, or after learning these important things about divebelowh2oscuba.com
Dive Below H2O Scuba is the premiere dive center for Middle Tennessee and the Nashville Area. Our dive professionals provide top quality training every month and world class dive trips. Call today to ...
Visit divebelowh2oscuba.comWe analyzed Divebelowh2oscuba.com page load time and found that the first response time was 3.2 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
divebelowh2oscuba.com performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value3.0 s
77/100
25%
Value2.4 s
98/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.2 s
100/100
10%
3239 ms
107 ms
97 ms
293 ms
291 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Divebelowh2oscuba.com and no external sources were called. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Divebelowh2oscuba.com.
Page size can be reduced by 160.5 kB (29%)
561.5 kB
401.0 kB
In fact, the total size of Divebelowh2oscuba.com main page is 561.5 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 500.2 kB which makes up the majority of the site volume.
Potential reduce by 31.9 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. This page needs HTML code to be minified as it can gain 23.4 kB, which is 63% 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 31.9 kB or 86% of the original size.
Potential reduce by 109.0 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. Obviously, Dive Below H2O SCUBA needs image optimization as it can save up to 109.0 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 404 B
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 404 B or 69% of the original size.
Potential reduce by 19.2 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. Divebelowh2oscuba.com needs all CSS files to be minified and compressed as it can save up to 19.2 kB or 81% of the original size.
We found no issues to fix!
27
27
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dive Below H2O SCUBA. According to our analytics all requests are already optimized.
divebelowh2oscuba.com
3239 ms
dbh2o_global.css
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Belize_logo.png
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divebelowh2oscuba.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
divebelowh2oscuba.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
divebelowh2oscuba.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Divebelowh2oscuba.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 Divebelowh2oscuba.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.
divebelowh2oscuba.com
Open Graph description is not detected on the main page of Dive Below H2O SCUBA. 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: