Tools & Wizards About Us
csb-ep.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

csb-ep.com

CSB® Plastic plain bearings, bushings, Linear bearings, Spherical bearings, Linear rail guides, Plastic cable chains - CSB® Plastic Bearing Technology

Page Load Speed

8.8 sec in total

First Response

780 ms

Resources Loaded

7.7 sec

Page Rendered

382 ms

csb-ep.com screenshot

About Website

Click here to check amazing CSB Ep content for China. Otherwise, check out these important facts you probably never knew about csb-ep.com

CSB® Plastic Bearing Technology Co., Ltd. is one of the branches of CSB® Bearings Group, Products including: Plastic plain bearings, Plastic bushings, Plastic linear bearings, Plastic spherical bearin...

Visit csb-ep.com

Key Findings

We analyzed Csb-ep.com page load time and found that the first response time was 780 ms and then it took 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

csb-ep.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.466

19/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

csb-ep.com

780 ms

zui.min.css

468 ms

font-awesome.min.css

423 ms

swiper.min.css

426 ms

site-main.css

433 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 97% of them (62 requests) were addressed to the original Csb-ep.com, 2% (1 request) were made to Sdk.51.la and 2% (1 request) were made to Collect-v6.51.la. The less responsive or slowest element that took the longest time to load (6.9 sec) belongs to the original domain Csb-ep.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.0 kB (7%)

Content Size

3.7 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csb-ep.com main page is 3.7 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. 70% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 88.0 kB

  • Original 98.4 kB
  • After minification 77.5 kB
  • After compression 10.4 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 20.9 kB, which is 21% 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 88.0 kB or 89% of the original size.

Image Optimization

-5%

Potential reduce by 167.2 kB

  • Original 3.5 MB
  • After minification 3.3 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. CSB Ep images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 162 B

  • Original 102.2 kB
  • After minification 102.2 kB
  • After compression 102.1 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

-3%

Potential reduce by 1.7 kB

  • Original 48.2 kB
  • After minification 48.2 kB
  • After compression 46.6 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. Csb-ep.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (15%)

Requests Now

60

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CSB Ep. 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

csb-ep.com

csb-ep.com

780 ms

zui.min.css

zui.min.css

468 ms

font-awesome.min.css

font-awesome.min.css

423 ms

swiper.min.css

swiper.min.css

426 ms

site-main.css

site-main.css

433 ms

theme.css

theme.css

436 ms

jquery.min.js

jquery.min.js

644 ms

zui.min.js

zui.min.js

842 ms

swiper.min.js

swiper.min.js

848 ms

chosen.min.js

chosen.min.js

644 ms

sticksy.js

sticksy.js

646 ms

site-main.js

site-main.js

694 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

1032 ms

logo.jpg

logo.jpg

858 ms

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6544981edc4a6.jpg

4508 ms

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6541f6ef44f7a.jpg

3667 ms

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1386 ms

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4411 ms

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4050 ms

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3004 ms

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2537 ms

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6888 ms

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3220 ms

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3436 ms

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3652 ms

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3868 ms

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3885 ms

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4085 ms

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5e3d3cc79e582.jpg

5394 ms

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4261 ms

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4300 ms

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4473 ms

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4516 ms

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4621 ms

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65d59a194f86e.jpg

4685 ms

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4721 ms

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5e3d3cb32d3f3.jpg

6437 ms

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656ed45fd0e37.jpg

6300 ms

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660bc74d15017.jpg

4482 ms

5e3d3d78ab64e.jpg

5e3d3d78ab64e.jpg

4516 ms

65dfedb38832a.jpg

65dfedb38832a.jpg

4686 ms

other01-img.png

other01-img.png

4719 ms

628ef380c55bf.png

628ef380c55bf.png

4732 ms

zenicon.woff

zenicon.woff

4729 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

4902 ms

5fe4218ad16b1.png

5fe4218ad16b1.png

4944 ms

5fe422869acfc.jpg

5fe422869acfc.jpg

4919 ms

middle.jpg

middle.jpg

4919 ms

contact-home.png

contact-home.png

4956 ms

contact-phone.png

contact-phone.png

4973 ms

contact-maps.png

contact-maps.png

4587 ms

collect

collect

1229 ms

allbg.png

allbg.png

3479 ms

navbg.jpg

navbg.jpg

3043 ms

csb-title.jpg

csb-title.jpg

2966 ms

pro_line.jpg

pro_line.jpg

2794 ms

right-tel.png

right-tel.png

2611 ms

fin.jpg

fin.jpg

2733 ms

icon_01.jpg

icon_01.jpg

2577 ms

news.jpg

news.jpg

2595 ms

icon_02.gif

icon_02.gif

2463 ms

cs.jpg

cs.jpg

2525 ms

fs.jpg

fs.jpg

2392 ms

arrow-9-right-blue.png

arrow-9-right-blue.png

2357 ms

Accessibility Review

csb-ep.com accessibility score

63

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

csb-ep.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

High

Page has valid source maps

SEO Factors

csb-ep.com SEO score

75

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

    N/A

  • Encoding

    UTF-8

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

csb-ep.com

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