2.4 sec in total
77 ms
1.7 sec
615 ms
Welcome to rainbowreef.us homepage info - get ready to check Rainbow Reef best content for United States right away, or after learning these important things about rainbowreef.us
March 13, 2022 A short drive from Miami, we're a PADI 5 Star CDC with the best coral reef, wreck, wall and night diving in the tropical Florida Keys
Visit rainbowreef.usWe analyzed Rainbowreef.us page load time and found that the first response time was 77 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
rainbowreef.us performance score
name
value
score
weighting
Value3.0 s
50/100
10%
Value11.0 s
0/100
25%
Value4.5 s
72/100
10%
Value100 ms
98/100
30%
Value0.03
100/100
15%
Value11.4 s
19/100
10%
77 ms
96 ms
250 ms
69 ms
53 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rainbowreef.us, 82% (67 requests) were made to Rainbowreef.com and 5% (4 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (653 ms) relates to the external source Rainbowreef.com.
Page size can be reduced by 85.1 kB (5%)
1.7 MB
1.7 MB
In fact, the total size of Rainbowreef.us 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. 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 1.6 MB which makes up the majority of the site volume.
Potential reduce by 38.2 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 38.2 kB or 80% of the original size.
Potential reduce by 44.8 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. Rainbow Reef images are well optimized though.
Potential reduce by 66 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. This website has mostly compressed JavaScripts.
Potential reduce by 2.0 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. Rainbowreef.us needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 16% of the original size.
Number of requests can be reduced by 8 (11%)
76
68
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rainbow Reef. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
rainbowreef.us
77 ms
www.rainbowreef.com
96 ms
www.rainbowreef.com
250 ms
core.css
69 ms
js
53 ms
jquery.min.js
26 ms
jquery-ui.min.js
31 ms
core.js
526 ms
css
28 ms
analytics.js
585 ms
fbevents.js
587 ms
rrdc-page-bg.jpg
180 ms
rrdc-topwater-tile.jpg
181 ms
rrdc-left-sidebar-tile.png
180 ms
rrdc-right-sidebar-tile.png
272 ms
rrdc-content-bg-tile.jpg
272 ms
polaroid-molasses-reef.png
314 ms
polaroid-custom-dive-fleet.png
478 ms
polaroid-experienced-staff.png
484 ms
element-readers-choice-idol-large.png
466 ms
element-scuba-diving-magazine-logo.png
450 ms
navigation-link-arrow.png
451 ms
global-circle-bg-orange.svg
452 ms
free-dive-guides-lobster.png
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banner-background-blue.jpg
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banner-side-top-nitrox-fills.jpg
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spiegel-grove-tall.jpg
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banner-background-green.jpg
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axiom-vest-tall.jpg
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banner-advanced-open-water-1-small.jpg
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banner-background-orange.jpg
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banner-advanced-open-water-2-small.jpg
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banner-duane-crows-nest-small.jpg
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banner-spiegel-grove-2-small.jpg
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banner-win-a-free-dive-trip.jpg
538 ms
banner-nitrox-tank-fills-small.jpg
539 ms
rrdc-sidebar-coral-holder-wide.png
653 ms
polaroid-blue-star-certification.png
623 ms
navigation-footer-coral-bg.png
624 ms
callout-icon-facebook-s.png
615 ms
callout-icon-tripadvisor-s.png
619 ms
callout-icon-twitter-s.png
620 ms
callout-icon-instagram-s.png
623 ms
callout-blue-star-operator-s.png
624 ms
rrdc-coral-top.png
626 ms
rrdc-top-left-coral.png
646 ms
MwQ5bhbm2POE2V9BOA.ttf
263 ms
MwQ0bhv11fWD6QsAVOZrt0M_.ttf
302 ms
AYCSpXb_Z9EORv1M5QTjEzMEteaAxIc.ttf
442 ms
sdk.js
162 ms
rainbow-reef-logo.png
494 ms
header-stick.png
477 ms
boards-start-cap.png
477 ms
boards-tile-bg.jpg
480 ms
collect
100 ms
collect
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sdk.js
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boards-endcap.png
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navigation-crab-base.png
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navigation-crab-left-claw.png
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navigation-crab-right-claw.png
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thermometer-icon.svg
214 ms
barracuda-tail.png
208 ms
barracuda-base.png
209 ms
barracuda-fin.png
232 ms
ocean-divers-joins-forces-rainbow-reef.png
222 ms
callout-dry-bag-tablet.png
219 ms
callout-screen-noise-1.jpg
219 ms
callout-screen-noise-2.jpg
218 ms
callout-screen-noise-3.jpg
215 ms
callout-screen-noise-4.jpg
168 ms
callout-screen-noise-5.jpg
168 ms
callout-screen-purple-bg.jpg
168 ms
rainbow-reef-phone-number.png
220 ms
moray-eel-nav.png
219 ms
spotted-ray-nav.png
218 ms
shark-nav.png
218 ms
angelfish-nav.png
220 ms
callout-padi-seek-adventure-save-the-ocean.png
143 ms
rrdc-underwater-beams.jpg
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rrdc-barracuda.png
141 ms
rainbowreef.us accessibility score
rainbowreef.us 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
rainbowreef.us SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rainbowreef.us 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 Rainbowreef.us 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.
rainbowreef.us
Open Graph description is not detected on the main page of Rainbow Reef. 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: