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victorjs.org screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

victorjs.org

Victor.js - 2D Vectors for JavaScript

Page Load Speed

1.3 sec in total

First Response

129 ms

Resources Loaded

316 ms

Page Rendered

812 ms

victorjs.org screenshot

About Website

Welcome to victorjs.org homepage info - get ready to check Victor Js best content for Russia right away, or after learning these important things about victorjs.org

A JavaScript vector maths library for Node.js and the browser.

Visit victorjs.org

Key Findings

We analyzed Victorjs.org page load time and found that the first response time was 129 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

victorjs.org performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

victorjs.org

129 ms

screen.css

19 ms

prism.css

18 ms

css

44 ms

github-btn.html

118 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 91% of them (61 requests) were addressed to the original Victorjs.org, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (160 ms) relates to the external source Api.travis-ci.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.8 kB (41%)

Content Size

663.7 kB

After Optimization

393.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Victorjs.org main page is 663.7 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. 40% of websites need less resources to load. Images take 370.0 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 103.7 kB

  • Original 110.5 kB
  • After minification 98.6 kB
  • After compression 6.8 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 11.9 kB, which is 11% 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 103.7 kB or 94% of the original size.

Image Optimization

-6%

Potential reduce by 22.4 kB

  • Original 370.0 kB
  • After minification 347.6 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. Victor Js images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-86%

Potential reduce by 111.6 kB

  • Original 130.2 kB
  • After minification 107.3 kB
  • After compression 18.6 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. Victorjs.org needs all CSS files to be minified and compressed as it can save up to 111.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (83%)

Requests Now

66

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Victor 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 56 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

victorjs.org

victorjs.org

129 ms

screen.css

screen.css

19 ms

prism.css

prism.css

18 ms

css

css

44 ms

github-btn.html

github-btn.html

118 ms

victor.png

victor.png

160 ms

prism.js

prism.js

9 ms

main.js

main.js

9 ms

header-logo.png

header-logo.png

97 ms

installation-node.js

installation-node.js

112 ms

installation-bower.js

installation-bower.js

53 ms

build-1.js

build-1.js

58 ms

x-1.js

x-1.js

55 ms

y-1.js

y-1.js

55 ms

cnstr-new-1.js

cnstr-new-1.js

71 ms

cnstr-fromarray-1.js

cnstr-fromarray-1.js

73 ms

cnstr-fromobject-1.js

cnstr-fromobject-1.js

57 ms

clone-1.js

clone-1.js

72 ms

copyx-1.js

copyx-1.js

75 ms

copyy-1.js

copyy-1.js

74 ms

copy-1.js

copy-1.js

78 ms

tostring-1.js

tostring-1.js

76 ms

toarray-1.js

toarray-1.js

79 ms

toobject-1.js

toobject-1.js

76 ms

addx-1.js

addx-1.js

80 ms

addy-1.js

addy-1.js

79 ms

add-1.js

add-1.js

82 ms

subtractx-1.js

subtractx-1.js

82 ms

subtracty-1.js

subtracty-1.js

82 ms

subtract-1.js

subtract-1.js

83 ms

multiplyx-1.js

multiplyx-1.js

93 ms

multiplyy-1.js

multiplyy-1.js

91 ms

multiply-1.js

multiply-1.js

84 ms

dividex-1.js

dividex-1.js

92 ms

dividey-1.js

dividey-1.js

90 ms

divide-1.js

divide-1.js

91 ms

invertx-1.js

invertx-1.js

97 ms

inverty-1.js

inverty-1.js

98 ms

invert-1.js

invert-1.js

97 ms

mixx-1.js

mixx-1.js

97 ms

mixy-1.js

mixy-1.js

95 ms

mix-1.js

mix-1.js

99 ms

normalize-1.js

normalize-1.js

101 ms

limit-1.js

limit-1.js

103 ms

analytics.js

analytics.js

47 ms

unfloat-1.js

unfloat-1.js

56 ms

victor

victor

80 ms

rotate-1.js

rotate-1.js

54 ms

rotateby-1.js

rotateby-1.js

54 ms

randomizex-1.js

randomizex-1.js

53 ms

randomizey-1.js

randomizey-1.js

55 ms

collect

collect

32 ms

randomize-1.js

randomize-1.js

46 ms

randomizeany-1.js

randomizeany-1.js

44 ms

dot-1.js

dot-1.js

41 ms

cross-1.js

cross-1.js

40 ms

length-1.js

length-1.js

41 ms

lengthsq-1.js

lengthsq-1.js

40 ms

distancex-1.js

distancex-1.js

41 ms

distancey-1.js

distancey-1.js

43 ms

distance-1.js

distance-1.js

39 ms

distancesq-1.js

distancesq-1.js

41 ms

horizontalangle-1.js

horizontalangle-1.js

42 ms

verticalangle-1.js

verticalangle-1.js

41 ms

header-bg.png

header-bg.png

45 ms

ship.png

ship.png

41 ms

ship-active.png

ship-active.png

40 ms

Accessibility Review

victorjs.org accessibility score

71

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

High

Links do not have a discernible name

Best Practices

victorjs.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

victorjs.org SEO score

86

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

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 Victorjs.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 Victorjs.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

victorjs.org

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