311 ms in total
80 ms
93 ms
138 ms
Visit r4-ds-card.com now to see the best up-to-date R 4 Ds Card content and also check out these interesting facts you probably never knew about r4-ds-card.com
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Visit r4-ds-card.comWe analyzed R4-ds-card.com page load time and found that the first response time was 80 ms and then it took 231 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
r4-ds-card.com performance score
name
value
score
weighting
Value0
0/100
10%
Value0
0/100
25%
Value0
0/100
10%
Value0
0/100
30%
Value0.167
71/100
15%
Value0
0/100
10%
80 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to R4-ds-card.com and no external sources were called. The less responsive or slowest element that took the longest time to load (80 ms) belongs to the original domain R4-ds-card.com.
Page size can be reduced by 326 B (47%)
697 B
371 B
In fact, the total size of R4-ds-card.com main page is 697 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 697 B which makes up the majority of the site volume.
Potential reduce by 326 B
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 326 B or 47% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
r4-ds-card.com
80 ms
r4-ds-card.com accessibility score
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
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.
r4-ds-card.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
r4-ds-card.com 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
ZH
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise R4-ds-card.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 R4-ds-card.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
r4-ds-card.com
Open Graph description is not detected on the main page of R 4 Ds Card. 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: