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welbus.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

welbus.com

WELBUS Automotive Electronics Limited - WELBUS l Bus & Coach Multimedia Solutions

Page Load Speed

6.2 sec in total

First Response

572 ms

Resources Loaded

5.5 sec

Page Rendered

201 ms

welbus.com screenshot

About Website

Welcome to welbus.com homepage info - get ready to check WELBUS best content right away, or after learning these important things about welbus.com

WELBUS is China’s leading developer and provider of automotive entertainment and security solutions for buses, coaches and trucks, backed by long-term relationship with OEM bus and coach builders in E...

Visit welbus.com

Key Findings

We analyzed Welbus.com page load time and found that the first response time was 572 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

welbus.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value4.9 s

77/100

10%

Network Requests Diagram

welbus.com

572 ms

welbus.com

268 ms

www.welbus.com

693 ms

www.welbus.com

341 ms

style.css

192 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 99% of them (77 requests) were addressed to the original Welbus.com, 1% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Welbus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.7 kB (18%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Welbus.com main page is 1.5 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. 30% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 32.5 kB

  • Original 40.2 kB
  • After minification 34.3 kB
  • After compression 7.7 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 5.9 kB, which is 15% 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 32.5 kB or 81% of the original size.

Image Optimization

-18%

Potential reduce by 241.9 kB

  • Original 1.3 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. Obviously, WELBUS needs image optimization as it can save up to 241.9 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 108.3 kB
  • After minification 108.2 kB
  • After compression 106.8 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

-20%

Potential reduce by 7.8 kB

  • Original 38.4 kB
  • After minification 37.4 kB
  • After compression 30.5 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. Welbus.com needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (49%)

Requests Now

72

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WELBUS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

welbus.com

welbus.com

572 ms

welbus.com

welbus.com

268 ms

www.welbus.com

www.welbus.com

693 ms

www.welbus.com

www.welbus.com

341 ms

style.css

style.css

192 ms

slideset.css

slideset.css

194 ms

styles.css

styles.css

195 ms

woocommerce-layout.css

woocommerce-layout.css

196 ms

woocommerce.css

woocommerce.css

321 ms

shortcodes.css

shortcodes.css

193 ms

font-awesome.min.css

font-awesome.min.css

443 ms

wzslider.css

wzslider.css

382 ms

custom.css

custom.css

383 ms

jquery.js

jquery.js

550 ms

jquery-migrate.min.js

jquery-migrate.min.js

382 ms

init.js

init.js

511 ms

lang.js

lang.js

568 ms

addthis_widget.js

addthis_widget.js

24 ms

jquery.min.js

jquery.min.js

691 ms

nivo-slider.css

nivo-slider.css

570 ms

public.css

public.css

632 ms

default.css

default.css

700 ms

jquery.form.min.js

jquery.form.min.js

739 ms

scripts.js

scripts.js

756 ms

slideset.js

slideset.js

825 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

823 ms

woocommerce.min.js

woocommerce.min.js

881 ms

jquery.cookie.min.js

jquery.cookie.min.js

884 ms

cart-fragments.min.js

cart-fragments.min.js

927 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1071 ms

dropdown.js

dropdown.js

1014 ms

colorbox.min.js

colorbox.min.js

1073 ms

galleria.js

galleria.js

1109 ms

wzslider.js

wzslider.js

1154 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

1204 ms

style1.css

style1.css

1217 ms

ico_deutsch1.gif

ico_deutsch1.gif

65 ms

ico_espanol.gif

ico_espanol.gif

188 ms

ico_francies.gif

ico_francies.gif

188 ms

ico_italino.gif

ico_italino.gif

191 ms

ico_portgues.gif

ico_portgues.gif

191 ms

ico_japan.jpg

ico_japan.jpg

192 ms

ico_korea.jpg

ico_korea.jpg

249 ms

ico_arabia.jpg

ico_arabia.jpg

378 ms

ico_russia.jpg

ico_russia.jpg

377 ms

5a065951f3a06.png

5a065951f3a06.png

442 ms

en.gif

en.gif

380 ms

skype.jpg

skype.jpg

381 ms

whatsapp.gif

whatsapp.gif

441 ms

20170727110528_87522.png

20170727110528_87522.png

633 ms

20170727083138_77230.png

20170727083138_77230.png

633 ms

20170922082718_97355.png

20170922082718_97355.png

760 ms

20170922092215_97357.png

20170922092215_97357.png

700 ms

5ec788476ed64.jpg

5ec788476ed64.jpg

821 ms

5e6b46b3e4e7a.jpg

5e6b46b3e4e7a.jpg

824 ms

5a02d8f651531.jpg

5a02d8f651531.jpg

1013 ms

59c4d1f1ef3eb.jpg

59c4d1f1ef3eb.jpg

1075 ms

59ba99971908a.jpg

59ba99971908a.jpg

1084 ms

5a02d9bee250a.jpg

5a02d9bee250a.jpg

1139 ms

20170911073706_36507.png

20170911073706_36507.png

1013 ms

5b0cfd6b6a788.JPG

5b0cfd6b6a788.JPG

1076 ms

5e6b5b5cde051.JPG

5e6b5b5cde051.JPG

1329 ms

5aba02fa65cb7.JPG

5aba02fa65cb7.JPG

1267 ms

5a0669dfbcddc.JPG

5a0669dfbcddc.JPG

1328 ms

15221392905ab9f90b66588.JPG

15221392905ab9f90b66588.JPG

1331 ms

twitter.png

twitter.png

1275 ms

linkedin.png

linkedin.png

1330 ms

google-plus.png

google-plus.png

1459 ms

facebook.png

facebook.png

1465 ms

5a00325b1e717.png

5a00325b1e717.png

1516 ms

map.gif

map.gif

1518 ms

slide_box.jpg

slide_box.jpg

1505 ms

skype2.gif

skype2.gif

1460 ms

Email.gif

Email.gif

1466 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

166 ms

slide_min.jpg

slide_min.jpg

191 ms

slide_box_bg.jpg

slide_box_bg.jpg

192 ms

arrows.png

arrows.png

191 ms

Accessibility Review

welbus.com accessibility score

43

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

welbus.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

welbus.com SEO score

71

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Welbus.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 Welbus.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

welbus.com

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