1.9 sec in total
291 ms
1.5 sec
117 ms
Click here to check amazing Ocean Colour content. Otherwise, check out these important facts you probably never knew about oceancolour.org
Visit oceancolour.orgWe analyzed Oceancolour.org page load time and found that the first response time was 291 ms and then it took 1.6 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.
oceancolour.org performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value4.0 s
49/100
25%
Value3.4 s
89/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value3.5 s
92/100
10%
291 ms
527 ms
37 ms
92 ms
184 ms
Our browser made a total of 18 requests to load all elements on the main page. We found that 72% of them (13 requests) were addressed to the original Oceancolour.org, 17% (3 requests) were made to Fonts.gstatic.com and 6% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (527 ms) belongs to the original domain Oceancolour.org.
Page size can be reduced by 15.8 kB (5%)
346.9 kB
331.1 kB
In fact, the total size of Oceancolour.org main page is 346.9 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. 25% of websites need less resources to load. Images take 309.5 kB which makes up the majority of the site volume.
Potential reduce by 3.1 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 655 B, which is 14% 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 3.1 kB or 67% of the original size.
Potential reduce by 12.2 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. Ocean Colour images are well optimized though.
Potential reduce by 117 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 455 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. Oceancolour.org needs all CSS files to be minified and compressed as it can save up to 455 B or 19% of the original size.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ocean Colour. According to our analytics all requests are already optimized.
oceancolour.org
291 ms
www.oceancolour.org
527 ms
css
37 ms
reset.css
92 ms
main.css
184 ms
jquery.min.js
30 ms
main.js
272 ms
slider-0.jpg
363 ms
browser.jpg
92 ms
opendap.jpg
182 ms
webgis.jpg
360 ms
ftp.jpg
362 ms
esa-logo.png
275 ms
esa-oc-cci-logo.png
274 ms
pml-logo.png
308 ms
S6u9w4BMUTPHh7USSwiPHA.ttf
21 ms
S6uyw4BMUTPHjx4wWw.ttf
26 ms
S6u9w4BMUTPHh6UVSwiPHA.ttf
32 ms
oceancolour.org 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.
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
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.
oceancolour.org 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
oceancolour.org SEO score
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 Oceancolour.org 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 Oceancolour.org 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.
oceancolour.org
Open Graph description is not detected on the main page of Ocean Colour. 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: