Tools & Wizards About Us

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

javers.org

JaVers — The Leading Framework for Object Audit and Diff in Java

Page Load Speed

667 ms in total

First Response

58 ms

Resources Loaded

447 ms

Page Rendered

162 ms

About Website

Visit javers.org now to see the best up-to-date Ja Vers content and also check out these interesting facts you probably never knew about javers.org

With JaVers you can forget about troublesome data versioning. Let the changes in your data be managed by JaVers.

Visit javers.org

Key Findings

We analyzed Javers.org page load time and found that the first response time was 58 ms and then it took 609 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

javers.org performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

javers.org

58 ms

javers.org

90 ms

bootstrap.min.css

65 ms

font-awesome.min.css

72 ms

style.css

26 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 43% of them (13 requests) were addressed to the original Javers.org, 13% (4 requests) were made to Maxcdn.bootstrapcdn.com and 10% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (108 ms) relates to the external source Google-analytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.8 kB (12%)

Content Size

95.6 kB

After Optimization

83.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Javers.org main page is 95.6 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. 45% of websites need less resources to load. Javascripts take 54.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 8.5 kB

  • Original 12.1 kB
  • After minification 12.1 kB
  • After compression 3.6 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 8.5 kB or 71% of the original size.

Image Optimization

-11%

Potential reduce by 3.2 kB

  • Original 29.1 kB
  • After minification 25.8 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, Ja Vers needs image optimization as it can save up to 3.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 54.4 kB
  • After minification 54.4 kB
  • After compression 54.4 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.

Requests Breakdown

Number of requests can be reduced by 16 (70%)

Requests Now

23

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ja Vers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

javers.org accessibility score

83

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

javers.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

javers.org SEO score

92

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

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

Social Sharing Optimization

Open Graph data is detected on the main page of Ja Vers. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: