3.6 sec in total
42 ms
2.3 sec
1.3 sec
Welcome to refcardz.dzone.com homepage info - get ready to check Refcardz DZone best content for India right away, or after learning these important things about refcardz.dzone.com
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Visit refcardz.dzone.comWe analyzed Refcardz.dzone.com page load time and found that the first response time was 42 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
refcardz.dzone.com performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value9.4 s
0/100
25%
Value5.8 s
49/100
10%
Value1,310 ms
18/100
30%
Value0.263
47/100
15%
Value12.6 s
14/100
10%
42 ms
111 ms
347 ms
336 ms
81 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Refcardz.dzone.com, 18% (13 requests) were made to Dz2cdn3.dzone.com and 14% (10 requests) were made to Dzone.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Dz2cdn4.dzone.com.
Page size can be reduced by 271.6 kB (62%)
438.8 kB
167.3 kB
In fact, the total size of Refcardz.dzone.com main page is 438.8 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. 65% of websites need less resources to load. Javascripts take 271.7 kB which makes up the majority of the site volume.
Potential reduce by 94.7 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 13.4 kB, which is 12% 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 94.7 kB or 82% of the original size.
Potential reduce by 11.7 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. Obviously, Refcardz DZone needs image optimization as it can save up to 11.7 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 165.3 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 165.3 kB or 61% of the original size.
Number of requests can be reduced by 7 (11%)
65
58
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Refcardz DZone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
refcardz.dzone.com
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refcardz.dzone.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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
refcardz.dzone.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
Missing source maps for large first-party JavaScript
refcardz.dzone.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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Refcardz.dzone.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 Refcardz.dzone.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.
refcardz.dzone.com
Open Graph data is detected on the main page of Refcardz DZone. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: