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jointjs.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

jointjs.com

JavaScript diagramming library for interactive UIs – JointJS

Page Load Speed

3.4 sec in total

First Response

375 ms

Resources Loaded

2 sec

Page Rendered

997 ms

jointjs.com screenshot

About Website

Click here to check amazing JointJS content for Poland. Otherwise, check out these important facts you probably never knew about jointjs.com

A proven JavaScript/TypeScript diagramming library that helps developers and companies of any size build visual and No-Code/Low-Code applications faster.

Visit jointjs.com

Key Findings

We analyzed Jointjs.com page load time and found that the first response time was 375 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jointjs.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

jointjs.com

375 ms

css

28 ms

css

39 ms

common.min.css

103 ms

home.min.css

196 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 68% of them (28 requests) were addressed to the original Jointjs.com, 12% (5 requests) were made to Cdn.jsdelivr.net and 10% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Jointjs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (33%)

Content Size

4.4 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jointjs.com main page is 4.4 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. 45% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 13.4 kB

  • Original 17.8 kB
  • After minification 14.5 kB
  • After compression 4.5 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 3.3 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 13.4 kB or 75% of the original size.

Image Optimization

-33%

Potential reduce by 1.4 MB

  • Original 4.3 MB
  • After minification 2.9 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. Obviously, JointJS needs image optimization as it can save up to 1.4 MB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 8.0 kB

  • Original 29.4 kB
  • After minification 28.3 kB
  • After compression 21.5 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 8.0 kB or 27% of the original size.

CSS Optimization

-69%

Potential reduce by 3.2 kB

  • Original 4.6 kB
  • After minification 4.0 kB
  • After compression 1.4 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. Jointjs.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (26%)

Requests Now

35

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JointJS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jointjs.com

jointjs.com

375 ms

css

css

28 ms

css

css

39 ms

common.min.css

common.min.css

103 ms

home.min.css

home.min.css

196 ms

jquery.min.js

jquery.min.js

11 ms

slick.css

slick.css

11 ms

slick.min.js

slick.min.js

10 ms

home.js

home.js

233 ms

ga.js

ga.js

28 ms

main.js

main.js

234 ms

prism.js

prism.js

235 ms

background.jpg

background.jpg

299 ms

jointjs_1.png

jointjs_1.png

102 ms

ibm.jpg

ibm.jpg

190 ms

hp.png

hp.png

293 ms

barclays.png

barclays.png

202 ms

boeing.png

boeing.png

290 ms

pass.png

pass.png

201 ms

bayer.png

bayer.png

285 ms

mindjet.png

mindjet.png

398 ms

daimler.gif

daimler.gif

303 ms

bmc.png

bmc.png

380 ms

1.png

1.png

967 ms

2.png

2.png

1070 ms

3.gif

3.gif

493 ms

4.png

4.png

497 ms

workflow.png

workflow.png

850 ms

bpmn-editor.png

bpmn-editor.png

1385 ms

task-board.png

task-board.png

789 ms

rappid-new-showcase.jpg

rappid-new-showcase.jpg

1088 ms

floorplanner.png

floorplanner.png

988 ms

dependencies.png

dependencies.png

1320 ms

sprite.png

sprite.png

1063 ms

ajax-loader.gif

ajax-loader.gif

30 ms

__utm.gif

__utm.gif

19 ms

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

24 ms

toadOcfmlt9b38dHJxOBGMw1o1eFRj7wYC6JbISqOjY.ttf

toadOcfmlt9b38dHJxOBGMw1o1eFRj7wYC6JbISqOjY.ttf

40 ms

toadOcfmlt9b38dHJxOBGLsbIrGiHa6JIepkyt5c0A0.ttf

toadOcfmlt9b38dHJxOBGLsbIrGiHa6JIepkyt5c0A0.ttf

54 ms

IQHow_FEYlDC4Gzy_m8fcvEr6Hm6RMS0v1dtXsGir4g.ttf

IQHow_FEYlDC4Gzy_m8fcvEr6Hm6RMS0v1dtXsGir4g.ttf

54 ms

slick.woff

slick.woff

2 ms

Accessibility Review

jointjs.com accessibility score

93

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

Links do not have a discernible name

Best Practices

jointjs.com best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jointjs.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

    N/A

  • Encoding

    UTF-8

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

jointjs.com

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