Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

javatester.org

Java Tester - Home Page

Page Load Speed

695 ms in total

First Response

123 ms

Resources Loaded

349 ms

Page Rendered

223 ms

javatester.org screenshot

About Website

Click here to check amazing Java Tester content for United States. Otherwise, check out these important facts you probably never knew about javatester.org

Java Tester. Home Page.

Visit javatester.org

Key Findings

We analyzed Javatester.org page load time and found that the first response time was 123 ms and then it took 572 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

javatester.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

javatester.org

123 ms

javatester.org

122 ms

jt4.css

45 ms

javatestertrans.gif

62 ms

footer.php

54 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Javatester.org and no external sources were called. The less responsive or slowest element that took the longest time to load (123 ms) belongs to the original domain Javatester.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.0 kB (61%)

Content Size

26.2 kB

After Optimization

10.2 kB

In fact, the total size of Javatester.org main page is 26.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 23.0 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 15.1 kB

  • Original 23.0 kB
  • After minification 19.9 kB
  • After compression 7.9 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 3.1 kB, which is 14% 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 15.1 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.3 kB
  • After minification 1.3 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 Tester images are well optimized though.

CSS Optimization

-45%

Potential reduce by 854 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 1.0 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. Javatester.org needs all CSS files to be minified and compressed as it can save up to 854 B or 45% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Java Tester. According to our analytics all requests are already optimized.

Accessibility Review

javatester.org accessibility score

61

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

Best Practices

javatester.org best practices score

67

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

SEO Factors

javatester.org SEO score

62

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Javatester.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 Javatester.org main page’s claimed encoding is iso-8859-1. 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

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