3.4 sec in total
80 ms
3.1 sec
177 ms
Click here to check amazing OPAL RT content for United States. Otherwise, check out these important facts you probably never knew about opal-rt.com
OPAL-RT’s mission is to provide cutting-edge real-time simulation technology to engineers and researchers around the world.
Visit opal-rt.comWe analyzed Opal-rt.com page load time and found that the first response time was 80 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
opal-rt.com performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value13.1 s
0/100
25%
Value8.4 s
18/100
10%
Value890 ms
32/100
30%
Value0.343
32/100
15%
Value12.2 s
15/100
10%
80 ms
28 ms
32 ms
36 ms
33 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 96% of them (87 requests) were addressed to the original Opal-rt.com, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Opal-rt.com.
Page size can be reduced by 778.7 kB (28%)
2.8 MB
2.0 MB
In fact, the total size of Opal-rt.com main page is 2.8 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. 55% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 131.1 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 22.2 kB, which is 15% 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 131.1 kB or 86% of the original size.
Potential reduce by 106.1 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. OPAL RT images are well optimized though.
Potential reduce by 432.0 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 432.0 kB or 79% of the original size.
Potential reduce by 109.5 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. Opal-rt.com needs all CSS files to be minified and compressed as it can save up to 109.5 kB or 83% of the original size.
Number of requests can be reduced by 33 (37%)
89
56
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPAL RT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
opal-rt.com
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opal-rt.com 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.
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
opal-rt.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
opal-rt.com SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opal-rt.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 Opal-rt.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.
opal-rt.com
Open Graph description is not detected on the main page of OPAL RT. 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: