1.6 sec in total
97 ms
1.2 sec
310 ms
Welcome to rainbowreef.com homepage info - get ready to check Rainbow Reef best content right away, or after learning these important things about rainbowreef.com
February 9, 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.comWe analyzed Rainbowreef.com page load time and found that the first response time was 97 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
rainbowreef.com performance score
name
value
score
weighting
Value2.3 s
73/100
10%
Value14.2 s
0/100
25%
Value4.7 s
68/100
10%
Value360 ms
72/100
30%
Value0.035
100/100
15%
Value11.7 s
18/100
10%
97 ms
284 ms
66 ms
200 ms
26 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 84% of them (67 requests) were addressed to the original Rainbowreef.com, 4% (3 requests) were made to Connect.facebook.net and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (446 ms) belongs to the original domain Rainbowreef.com.
Page size can be reduced by 80.9 kB (5%)
1.5 MB
1.4 MB
In fact, the total size of Rainbowreef.com main page is 1.5 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. 65% of websites need less resources to load. Images take 1.3 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 79% of the original size.
Potential reduce by 40.6 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 78 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.com 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%)
75
67
The browser has sent 75 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.com
97 ms
rainbowreef.com
284 ms
core.css
66 ms
js
200 ms
jquery.min.js
26 ms
jquery-ui.min.js
31 ms
core.js
215 ms
css
28 ms
fbevents.js
158 ms
rrdc-page-bg.jpg
110 ms
rrdc-topwater-tile.jpg
109 ms
rrdc-left-sidebar-tile.png
111 ms
rrdc-right-sidebar-tile.png
130 ms
rrdc-content-bg-tile.jpg
130 ms
polaroid-molasses-reef.png
191 ms
polaroid-custom-dive-fleet.png
262 ms
polaroid-experienced-staff.png
293 ms
element-readers-choice-idol-large.png
251 ms
element-scuba-diving-magazine-logo.png
237 ms
navigation-link-arrow.png
235 ms
global-circle-bg-orange.svg
238 ms
free-dive-guides-lobster.png
274 ms
banner-background-blue.jpg
247 ms
banner-side-top-nitrox-fills.jpg
273 ms
spiegel-grove-tall.jpg
324 ms
banner-background-green.jpg
295 ms
axiom-vest-tall.jpg
303 ms
banner-advanced-open-water-1-small.jpg
316 ms
banner-background-orange.jpg
320 ms
banner-advanced-open-water-2-small.jpg
335 ms
banner-duane-crows-nest-small.jpg
337 ms
banner-spiegel-grove-2-small.jpg
347 ms
banner-win-a-free-dive-trip.jpg
360 ms
banner-nitrox-tank-fills-small.jpg
369 ms
rrdc-sidebar-coral-holder-wide.png
398 ms
polaroid-blue-star-certification.png
379 ms
navigation-footer-coral-bg.png
413 ms
callout-icon-facebook-s.png
389 ms
callout-icon-tripadvisor-s.png
404 ms
callout-icon-twitter-s.png
413 ms
callout-icon-instagram-s.png
422 ms
callout-blue-star-operator-s.png
433 ms
rrdc-coral-top.png
442 ms
rrdc-top-left-coral.png
446 ms
MwQ5bhbm2POE2V9BOw.woff
106 ms
MwQ0bhv11fWD6QsAVOZrt0M8.woff
125 ms
AYCSpXb_Z9EORv1M5QTjEzMEteaAxIQ.woff
129 ms
sdk.js
81 ms
analytics.js
123 ms
rainbow-reef-logo.png
400 ms
js
119 ms
header-stick.png
352 ms
boards-start-cap.png
359 ms
boards-tile-bg.jpg
368 ms
sdk.js
30 ms
boards-endcap.png
360 ms
navigation-crab-base.png
364 ms
collect
49 ms
navigation-crab-left-claw.png
270 ms
navigation-crab-right-claw.png
267 ms
thermometer-icon.svg
269 ms
barracuda-tail.png
276 ms
barracuda-base.png
286 ms
barracuda-fin.png
286 ms
ocean-divers-joins-forces-rainbow-reef.png
284 ms
callout-dry-bag-tablet.png
277 ms
callout-screen-noise-1.jpg
281 ms
callout-screen-noise-2.jpg
273 ms
callout-screen-noise-3.jpg
281 ms
callout-screen-noise-4.jpg
277 ms
callout-screen-noise-5.jpg
279 ms
callout-screen-purple-bg.jpg
274 ms
rainbow-reef-phone-number.png
274 ms
moray-eel-nav.png
272 ms
spotted-ray-nav.png
281 ms
shark-nav.png
279 ms
angelfish-nav.png
284 ms
callout-padi-seek-adventure-save-the-ocean.png
267 ms
rrdc-underwater-beams.jpg
265 ms
rrdc-barracuda.png
260 ms
rainbowreef.com accessibility score
rainbowreef.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
rainbowreef.com 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.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 Rainbowreef.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.
rainbowreef.com
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: