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vibrojournal.vsau.org screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vibrojournal.vsau.org

Vibrations in engineering and technology / VSAU journals

Page Load Speed

4.4 sec in total

First Response

727 ms

Resources Loaded

3.3 sec

Page Rendered

383 ms

vibrojournal.vsau.org screenshot

About Website

Welcome to vibrojournal.vsau.org homepage info - get ready to check Vibrojournal VSAU best content for Ukraine right away, or after learning these important things about vibrojournal.vsau.org

The journal deals with the problems of vibration technologies and machines, mathematical methods of vibration process studies, information on design a...

Visit vibrojournal.vsau.org

Key Findings

We analyzed Vibrojournal.vsau.org page load time and found that the first response time was 727 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vibrojournal.vsau.org performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.259

48/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

vibrojournal.vsau.org

727 ms

bootstrap.min.css

44 ms

css

50 ms

font-awesome.min.css

42 ms

style.css

125 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 47% of them (16 requests) were addressed to the original Vibrojournal.vsau.org, 18% (6 requests) were made to Fonts.gstatic.com and 12% (4 requests) were made to Sciencehorizon.com.ua. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Vibrojournal.vsau.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.8 kB (7%)

Content Size

1.3 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vibrojournal.vsau.org main page is 1.3 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 31.1 kB

  • Original 39.0 kB
  • After minification 28.2 kB
  • After compression 7.8 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 10.7 kB, which is 28% 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 31.1 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 65.1 kB

  • Original 1.2 MB
  • After minification 1.1 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. Vibrojournal VSAU images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 67 B

  • Original 73.3 kB
  • After minification 73.3 kB
  • After compression 73.2 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.

CSS Optimization

-5%

Potential reduce by 1.5 kB

  • Original 28.7 kB
  • After minification 28.7 kB
  • After compression 27.2 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. Vibrojournal.vsau.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (33%)

Requests Now

21

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vibrojournal VSAU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vibrojournal.vsau.org

vibrojournal.vsau.org

727 ms

bootstrap.min.css

bootstrap.min.css

44 ms

css

css

50 ms

font-awesome.min.css

font-awesome.min.css

42 ms

style.css

style.css

125 ms

mdb.min.css

mdb.min.css

368 ms

logo.png

logo.png

249 ms

space.png

space.png

248 ms

page.js

page.js

48 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

413 ms

bootstrap.min.js

bootstrap.min.js

255 ms

zqVU1hnN6JSRiRDncxKZ.jpg

zqVU1hnN6JSRiRDncxKZ.jpg

591 ms

GIY7_2RvP7WU.png

GIY7_2RvP7WU.png

709 ms

%25D0%259F%25D0%2590%25D0%25A0%25D0%2590%25D0%25A0.png

%25D0%259F%25D0%2590%25D0%25A0%25D0%2590%25D0%25A0.png

186 ms

hihQc6FFSJj7.jpg

hihQc6FFSJj7.jpg

805 ms

dGAgQZZvFXvd.png

dGAgQZZvFXvd.png

1095 ms

3-c6t0aKFjAO.jpg

3-c6t0aKFjAO.jpg

1094 ms

fon-footer-dark.png

fon-footer-dark.png

2179 ms

logomenu.png

logomenu.png

126 ms

closebtns.png

closebtns.png

120 ms

Roboto-Regular.woff

Roboto-Regular.woff

256 ms

KFOmCnqEu92Fr1Mu5mxP.ttf

KFOmCnqEu92Fr1Mu5mxP.ttf

50 ms

Roboto-Medium.woff

Roboto-Medium.woff

250 ms

Roboto-Light.woff

Roboto-Light.woff

339 ms

KFOlCnqEu92Fr1MmSU5fABc9.ttf

KFOlCnqEu92Fr1MmSU5fABc9.ttf

49 ms

Roboto-Thin.woff

Roboto-Thin.woff

473 ms

Roboto-Bold.woff

Roboto-Bold.woff

430 ms

KFOlCnqEu92Fr1MmWUlfABc9.ttf

KFOlCnqEu92Fr1MmWUlfABc9.ttf

60 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBK5Xk.ttf

67 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBK5Xk.ttf

68 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBK5Xk.ttf

67 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

40 ms

sm.25.html

sm.25.html

38 ms

eso.D0Uc7kY6.js

eso.D0Uc7kY6.js

58 ms

Accessibility Review

vibrojournal.vsau.org accessibility score

83

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

vibrojournal.vsau.org best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vibrojournal.vsau.org SEO score

100

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

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 Vibrojournal.vsau.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 Vibrojournal.vsau.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

vibrojournal.vsau.org

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