2.6 sec in total
617 ms
1.3 sec
592 ms
Click here to check amazing Nantucket Shark Divers content. Otherwise, check out these important facts you probably never knew about nantucketsharkdivers.com
Nantucket Shark Divers is the leading shark diving charter service in the Northeastern United States. We provide unforgettable shark encounters on shark dive and viewing trips that safely introduce pe...
Visit nantucketsharkdivers.comWe analyzed Nantucketsharkdivers.com page load time and found that the first response time was 617 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
nantucketsharkdivers.com performance score
name
value
score
weighting
Value1.6 s
93/100
10%
Value4.9 s
28/100
25%
Value2.8 s
95/100
10%
Value100 ms
98/100
30%
Value1.018
2/100
15%
Value4.5 s
82/100
10%
617 ms
19 ms
23 ms
37 ms
46 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 47% of them (18 requests) were addressed to the original Nantucketsharkdivers.com, 53% (20 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (617 ms) belongs to the original domain Nantucketsharkdivers.com.
Page size can be reduced by 149.5 kB (20%)
756.1 kB
606.7 kB
In fact, the total size of Nantucketsharkdivers.com main page is 756.1 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. 65% of websites need less resources to load. Images take 480.7 kB which makes up the majority of the site volume.
Potential reduce by 127.4 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 127.4 kB or 84% of the original size.
Potential reduce by 9.0 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. Nantucket Shark Divers images are well optimized though.
Potential reduce by 12.9 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. This website has mostly compressed JavaScripts.
Potential reduce by 158 B
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. Nantucketsharkdivers.com needs all CSS files to be minified and compressed as it can save up to 158 B or 13% of the original size.
Number of requests can be reduced by 5 (31%)
16
11
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nantucket Shark Divers. 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.
nantucketsharkdivers.com
617 ms
et-divi-dynamic-tb-10-tb-15-20-late.css
19 ms
jquery.min.js
23 ms
jquery-migrate.min.js
37 ms
scripts.min.js
46 ms
jquery.fitvids.js
44 ms
jquery.mobile.js
42 ms
common.js
45 ms
nantucket-shark-diving-logo.png
39 ms
nantucket-shark-diving-feature-1-1.jpg
40 ms
meet-the-sharks-of-nantucket-1-1.jpg
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about-nantucket-shark-diving-1.jpg
78 ms
photo-packages-nantucket-shark-diving-1.jpg
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shark-diving-in-nantucket-1-1.jpg
78 ms
nantucket-shark-diving-vertical-1-1.jpg
174 ms
nantucket-shark-diving-cta-hero-home-pg-2-1.jpg
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shark-content-8-2.jpg
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42 ms
modules.woff
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memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk0ZjWV4exQ.ttf
70 ms
nantucketsharkdivers.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
Heading elements are not in a sequentially-descending order
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.
nantucketsharkdivers.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
General
Impact
Issue
Detected JavaScript libraries
nantucketsharkdivers.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Nantucketsharkdivers.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 Nantucketsharkdivers.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.
nantucketsharkdivers.com
Open Graph data is detected on the main page of Nantucket Shark Divers. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: