Tools & Wizards About Us

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

4js.com

Genero Studio Low-Code No-Code Development apps faster and smarter

Page Load Speed

8.8 sec in total

First Response

914 ms

Resources Loaded

5.6 sec

Page Rendered

2.2 sec

About Website

Visit 4js.com now to see the best up-to-date 4 Js content for India and also check out these interesting facts you probably never knew about 4js.com

Genero Enterprise is a unique, Low-Code No-Code Development Platform application development framework tailor-made for mission-critical business solutions.

Visit 4js.com

Key Findings

We analyzed 4js.com page load time and found that the first response time was 914 ms and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

4js.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

1/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

4js.com

914 ms

tarteaucitron.js

188 ms

grid.css

333 ms

base.css

298 ms

layout.css

400 ms

Our browser made a total of 192 requests to load all elements on the main page. We found that 96% of them (184 requests) were addressed to the original 4js.com, 1% (2 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to F.vimeocdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain 4js.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 958.0 kB (12%)

Content Size

8.3 MB

After Optimization

7.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4js.com main page is 8.3 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 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 187.9 kB

  • Original 223.8 kB
  • After minification 220.1 kB
  • After compression 35.9 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. 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 187.9 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 541.2 kB

  • Original 7.5 MB
  • After minification 7.0 MB

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. 4 Js images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 23.0 kB

  • Original 188.0 kB
  • After minification 188.0 kB
  • After compression 165.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 23.0 kB or 12% of the original size.

CSS Optimization

-61%

Potential reduce by 205.9 kB

  • Original 339.1 kB
  • After minification 338.7 kB
  • After compression 133.3 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. 4js.com needs all CSS files to be minified and compressed as it can save up to 205.9 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 100 (54%)

Requests Now

186

After Optimization

86

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 186 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 55 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

4js.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

[role]s are not contained by their required parent element

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

4js.com best practices score

69

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

Low

Detected JavaScript libraries

High

Uses deprecated APIs

High

Browser errors were logged to the console

SEO Factors

4js.com SEO score

90

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4js.com 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 4js.com 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 4 Js. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: