4.9 sec in total
306 ms
3.2 sec
1.4 sec
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Visit ocs.comWe analyzed Ocs.com page load time and found that the first response time was 306 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
ocs.com performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value7.8 s
3/100
25%
Value5.2 s
60/100
10%
Value900 ms
32/100
30%
Value0
100/100
15%
Value7.6 s
47/100
10%
306 ms
767 ms
78 ms
375 ms
421 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 67% of them (26 requests) were addressed to the original Ocs.com, 8% (3 requests) were made to F.vimeocdn.com and 5% (2 requests) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Ocs.com.
Page size can be reduced by 445.9 kB (12%)
3.7 MB
3.3 MB
In fact, the total size of Ocs.com main page is 3.7 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 3.3 MB which makes up the majority of the site volume.
Potential reduce by 74.0 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 74.0 kB or 79% of the original size.
Potential reduce by 98.1 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. OCS images are well optimized though.
Potential reduce by 89.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 89.8 kB or 65% of the original size.
Potential reduce by 184.0 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. Ocs.com needs all CSS files to be minified and compressed as it can save up to 184.0 kB or 81% of the original size.
Number of requests can be reduced by 15 (41%)
37
22
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OCS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
ocs.com
306 ms
www.ocs.com
767 ms
uc.js
78 ms
components.css
375 ms
transitions.css
421 ms
main.css
535 ms
components.css
914 ms
main.js
945 ms
components.js
946 ms
umbraco.js
946 ms
main.min.js
875 ms
configuration.js
810 ms
cc.js
273 ms
392239410
602 ms
logo-ocs.svg
614 ms
sustainability-icon-002.png
891 ms
cleaning-decontamination-covid19-fogging-machine-home-round.jpg
890 ms
home-image-cta-20000.png
616 ms
home-history-window-cleaner.png
672 ms
home-customers-foh.png
734 ms
global-home-we-are-ocs-video-f98cac41.url
888 ms
vimeo.svg
792 ms
linkedin.svg
887 ms
instagram.svg
1333 ms
bc-v4.min.html
178 ms
branding-ocs-logo-kc-brand.jpg
932 ms
publications-annual-review-2021-page-banner.jpg
1244 ms
uk-news-tycd-2021-landmark-ocs.jpg
847 ms
gl-news-2021-building-a-sustainable-future.jpg
932 ms
chevron-right-tertiary.svg
791 ms
857252831-bc629f86b1407942e810069d34b455149fc418b8cf703d98b28df940d5748977-d.jpg
161 ms
player.js
314 ms
player.css
176 ms
vuid.min.js
160 ms
857252831-bc629f86b1407942e810069d34b455149fc418b8cf703d98b28df940d5748977-d
206 ms
nr-spa-1216.min.js
25 ms
689d5b4562
221 ms
689d5b4562
59 ms
main.js
82 ms
ocs.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
ocs.com 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
Uses deprecated APIs
Browser errors were logged to the console
Page has valid source maps
ocs.com 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
Image elements do not have [alt] attributes
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ocs.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 Ocs.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.
ocs.com
Open Graph data is detected on the main page of OCS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: