4.2 sec in total
348 ms
3.4 sec
468 ms
Visit ddrc.arlo.co now to see the best up-to-date DDRC Arlo content for United States and also check out these interesting facts you probably never knew about ddrc.arlo.co
DDRC Healthcare is a worldwide specialist in diving medicine, hyperbaric oxygen therapy and medical training.
Visit ddrc.arlo.coWe analyzed Ddrc.arlo.co page load time and found that the first response time was 348 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
ddrc.arlo.co performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value8.4 s
2/100
25%
Value7.2 s
29/100
10%
Value140 ms
95/100
30%
Value0.563
12/100
15%
Value7.9 s
43/100
10%
348 ms
77 ms
305 ms
439 ms
422 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Ddrc.arlo.co, 73% (46 requests) were made to Ddrc.org and 10% (6 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (719 ms) relates to the external source Ddrc.org.
Page size can be reduced by 70.3 kB (11%)
668.7 kB
598.5 kB
In fact, the total size of Ddrc.arlo.co main page is 668.7 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. 70% of websites need less resources to load. Images take 422.7 kB which makes up the majority of the site volume.
Potential reduce by 55.3 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 55.3 kB or 80% of the original size.
Potential reduce by 0 B
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. DDRC Arlo images are well optimized though.
Potential reduce by 2.4 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 12.5 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. Ddrc.arlo.co needs all CSS files to be minified and compressed as it can save up to 12.5 kB or 14% of the original size.
Number of requests can be reduced by 36 (72%)
50
14
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DDRC Arlo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
ddrc.arlo.co
348 ms
77 ms
www.ddrc.org
305 ms
www.ddrc.org
439 ms
style.min.css
422 ms
cookie-law-info-public.css
216 ms
cookie-law-info-gdpr.css
211 ms
56-layout.css
209 ms
tingle.css
255 ms
public.css
207 ms
bootstrap-modals.css
212 ms
darktooltip.min.css
256 ms
Arlo-WP.css
326 ms
fonts.css
363 ms
overrides.css
238 ms
style.css
624 ms
css
434 ms
custom.css
622 ms
fontawesome-all.css
339 ms
mtx-slider-front.css
434 ms
mtx.front.css
442 ms
jquery.min.js
453 ms
jquery-migrate.min.js
719 ms
cookie-law-info-public.js
453 ms
tingle.min.js
356 ms
public.js
474 ms
bootstrap-modals.min.js
474 ms
jquery.darktooltip.min.js
473 ms
js.cookie.js
521 ms
scripts.js
490 ms
foa3gtq.css
326 ms
matrix.css
455 ms
js
443 ms
cookie-law-info-table.css
476 ms
56-layout.js
477 ms
mtx-slider-front.js
482 ms
mtx.front.js
523 ms
ddrc.js
524 ms
p.css
109 ms
js
132 ms
analytics.js
122 ms
gtm.js
173 ms
ddrc-logo.svg
427 ms
d
30 ms
d
31 ms
fa-solid-900.woff
91 ms
fa-regular-400.woff
656 ms
fa-light-300.woff
612 ms
fa-brands-400.woff
689 ms
d
99 ms
d
100 ms
d
100 ms
collect
106 ms
DDRC_banner_5_web-2200x670.jpg
43 ms
DDRC_banner_5_web-900x275.jpg
43 ms
emblem-white.svg
384 ms
ico-diving.svg
43 ms
ico-diving-w.svg
24 ms
ico-hyperbarics.svg
353 ms
ico-hyperbarics-w.svg
109 ms
ico-research.svg
344 ms
ico-research-w.svg
11 ms
medicals-ent.jpg
36 ms
ddrc.arlo.co 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
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
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
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.
ddrc.arlo.co best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
ddrc.arlo.co SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ddrc.arlo.co 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 Ddrc.arlo.co 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.
ddrc.arlo.co
Open Graph data is detected on the main page of DDRC Arlo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: