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Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

javascan.com

Programming Tutorials With Examples - JavaScan.com

Page Load Speed

381 ms in total

First Response

49 ms

Resources Loaded

232 ms

Page Rendered

100 ms

javascan.com screenshot

About Website

Welcome to javascan.com homepage info - get ready to check Java Scan best content for India right away, or after learning these important things about javascan.com

Free Online Tutorials for Java and Kotlin with program examples. Learn Java and Kotlin in simple and easy steps

Visit javascan.com

Key Findings

We analyzed Javascan.com page load time and found that the first response time was 49 ms and then it took 332 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

javascan.com performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

javascan.com

49 ms

www.javascan.com

84 ms

SiteProgram.css

22 ms

js

71 ms

addthis_widget.js

92 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original Javascan.com, 17% (1 request) were made to Googletagmanager.com and 17% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (92 ms) relates to the external source S7.addthis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.0 kB (51%)

Content Size

17.6 kB

After Optimization

8.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Javascan.com main page is 17.6 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 11.5 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 8.2 kB

  • Original 11.5 kB
  • After minification 11.5 kB
  • After compression 3.3 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 8.2 kB or 71% of the original size.

Image Optimization

-14%

Potential reduce by 733 B

  • Original 5.2 kB
  • After minification 4.5 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. Obviously, Java Scan needs image optimization as it can save up to 733 B or 14% 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 0 B

  • Original 76 B

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.

CSS Optimization

-3%

Potential reduce by 21 B

  • Original 783 B
  • After minification 783 B
  • After compression 762 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. Javascan.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Java Scan. According to our analytics all requests are already optimized.

Network Requests Diagram

javascan.com

javascan.com

49 ms

www.javascan.com

www.javascan.com

84 ms

SiteProgram.css

SiteProgram.css

22 ms

js

js

71 ms

addthis_widget.js

addthis_widget.js

92 ms

Logo-Javascan.com.png

Logo-Javascan.com.png

22 ms

Accessibility Review

javascan.com accessibility score

75

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

Form elements do not have associated labels

Best Practices

javascan.com best practices score

83

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

javascan.com SEO score

98

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Javascan.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 Javascan.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

javascan.com

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