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javacoffeebreak.com screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

javacoffeebreak.com

Java Coffee Break - your free guide to the world of Java programming, packed full of free articles, tutorials, book reviews, and FAQs

Page Load Speed

1.1 sec in total

First Response

95 ms

Resources Loaded

864 ms

Page Rendered

179 ms

javacoffeebreak.com screenshot

About Website

Click here to check amazing Java Coffee Break content for United States. Otherwise, check out these important facts you probably never knew about javacoffeebreak.com

Java Coffee Break features free Java tutorials and articles. Learn Java now!

Visit javacoffeebreak.com

Key Findings

We analyzed Javacoffeebreak.com page load time and found that the first response time was 95 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

javacoffeebreak.com performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

javacoffeebreak.com

95 ms

jcb.css

23 ms

cm

4 ms

354 ms

javacupicon.gif

15 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 64% of them (7 requests) were addressed to the original Javacoffeebreak.com, 18% (2 requests) were made to Burstnet.com and 9% (1 request) were made to Rcm.amazon.com. The less responsive or slowest element that took the longest time to load (354 ms) relates to the external source Burstnet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.1 kB (72%)

Content Size

25.0 kB

After Optimization

7.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Javacoffeebreak.com main page is 25.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 22.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.5 kB

  • Original 22.5 kB
  • After minification 18.4 kB
  • After compression 5.0 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. This page needs HTML code to be minified as it can gain 4.1 kB, which is 18% 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 17.5 kB or 78% of the original size.

Image Optimization

-17%

Potential reduce by 367 B

  • Original 2.2 kB
  • After minification 1.8 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, Java Coffee Break needs image optimization as it can save up to 367 B or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-58%

Potential reduce by 233 B

  • Original 399 B
  • After minification 206 B
  • After compression 166 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. Javacoffeebreak.com needs all CSS files to be minified and compressed as it can save up to 233 B or 58% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Java Coffee Break. According to our analytics all requests are already optimized.

Network Requests Diagram

javacoffeebreak.com

javacoffeebreak.com

95 ms

jcb.css

jcb.css

23 ms

cm

cm

4 ms

354 ms

javacupicon.gif

javacupicon.gif

15 ms

features.gif

features.gif

14 ms

borderdot.gif

borderdot.gif

26 ms

beginners.jpg

beginners.jpg

27 ms

tamingjavathreads.gif

tamingjavathreads.gif

33 ms

335 ms

c.cgi

c.cgi

28 ms

Accessibility Review

javacoffeebreak.com accessibility score

56

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

javacoffeebreak.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

javacoffeebreak.com SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Javacoffeebreak.com 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 Javacoffeebreak.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.

Social Sharing Optimization

javacoffeebreak.com

Open Graph description is not detected on the main page of Java Coffee Break. 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: