2.9 sec in total
230 ms
1.7 sec
969 ms
Visit javadev.org now to see the best up-to-date Java Dev content and also check out these interesting facts you probably never knew about javadev.org
Website about java development. Java SE, Java EE
Visit javadev.orgWe analyzed Javadev.org page load time and found that the first response time was 230 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
javadev.org performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value6.3 s
10/100
25%
Value13.2 s
2/100
10%
Value24,230 ms
0/100
30%
Value0
100/100
15%
Value40.7 s
0/100
10%
230 ms
160 ms
66 ms
69 ms
121 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 39% of them (11 requests) were addressed to the original Javadev.org, 61% (17 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Javadev.org.
Page size can be reduced by 253.1 kB (9%)
2.8 MB
2.5 MB
In fact, the total size of Javadev.org 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. Only a small number of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 10.6 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 10.6 kB or 75% of the original size.
Potential reduce by 240.5 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. Java Dev images are well optimized though.
Potential reduce by 2.0 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. This website has mostly compressed JavaScripts.
Potential reduce by 0 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. Javadev.org has all CSS files already compressed.
Number of requests can be reduced by 3 (11%)
27
24
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Java Dev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
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javadev.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.
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
javadev.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Page has valid source maps
javadev.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 Javadev.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 Javadev.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.
{{og_description}}
javadev.org
Open Graph description is not detected on the main page of Java Dev. 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: