Tools & Wizards About Us
ls-carbide.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

ls-carbide.com

China Tungsten carbide, Carbide parts assembly manufacturer - Langsun Tungsten Carbide

Page Load Speed

5.7 sec in total

First Response

409 ms

Resources Loaded

5 sec

Page Rendered

270 ms

ls-carbide.com screenshot

About Website

Click here to check amazing Ls Carbide content. Otherwise, check out these important facts you probably never knew about ls-carbide.com

Langsun Carbide undertakes its own manufacturing of tungsten carbide and carbide parts assemblies, and also exports blank and finished carbide products to North America, Europe and South Africa and So...

Visit ls-carbide.com

Key Findings

We analyzed Ls-carbide.com page load time and found that the first response time was 409 ms and then it took 5.2 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

ls-carbide.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.155

74/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

ls-carbide.com

409 ms

www.ls-carbide.com

427 ms

www.ls-carbide.com

325 ms

app.min.css

147 ms

style.css

207 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 84% of them (31 requests) were addressed to the original Ls-carbide.com, 5% (2 requests) were made to and 3% (1 request) were made to S23.cnzz.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Z5.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.8 kB (3%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ls-carbide.com main page is 1.1 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. 20% of websites need less resources to load. Images take 922.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 28.7 kB

  • Original 33.8 kB
  • After minification 21.6 kB
  • After compression 5.1 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 12.1 kB, which is 36% 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 28.7 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 730 B

  • Original 922.8 kB
  • After minification 922.1 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. Ls Carbide images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 2.2 kB

  • Original 55.6 kB
  • After minification 55.6 kB
  • After compression 53.4 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

-0%

Potential reduce by 133 B

  • Original 48.8 kB
  • After minification 48.8 kB
  • After compression 48.7 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. Ls-carbide.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (16%)

Requests Now

31

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ls Carbide. 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 as a result speed up the page load time.

Network Requests Diagram

ls-carbide.com

ls-carbide.com

409 ms

www.ls-carbide.com

www.ls-carbide.com

427 ms

www.ls-carbide.com

www.ls-carbide.com

325 ms

app.min.css

app.min.css

147 ms

style.css

style.css

207 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

284 ms

owl.carousel.min.js

owl.carousel.min.js

219 ms

bootstrap.offcanvas.min.js

bootstrap.offcanvas.min.js

276 ms

feedback.js

feedback.js

277 ms

s_logo.png

s_logo.png

71 ms

0622153242_55123.png

0622153242_55123.png

153 ms

1222000510_58434.jpg

1222000510_58434.jpg

389 ms

0714102211_50219.jpg

0714102211_50219.jpg

298 ms

0714102158_50213.jpg

0714102158_50213.jpg

280 ms

home-pro.png

home-pro.png

76 ms

company.jpg

company.jpg

213 ms

5297220150612095047.jpg

5297220150612095047.jpg

223 ms

5297220150612095100.jpg

5297220150612095100.jpg

222 ms

5298520150612095128.jpg

5298520150612095128.jpg

284 ms

5297220150612095113.jpg

5297220150612095113.jpg

291 ms

5229320180903134343.jpg

5229320180903134343.jpg

297 ms

145320150625140420.jpg

145320150625140420.jpg

349 ms

362420150625151319.jpg

362420150625151319.jpg

356 ms

5354720180903140315.jpg

5354720180903140315.jpg

359 ms

5365120180903140435.jpg

5365120180903140435.jpg

369 ms

5376420180903140533.jpg

5376420180903140533.jpg

371 ms

5390220180903140654.jpg

5390220180903140654.jpg

418 ms

5414520180903141007.jpg

5414520180903141007.jpg

425 ms

m-logo.png

m-logo.png

427 ms

qrcode.png

qrcode.png

440 ms

z_stat.php

z_stat.php

1410 ms

AAA=

AAA=

2 ms

AAA=

AAA=

1 ms

icomoon.woff

icomoon.woff

398 ms

stat.htm

stat.htm

1524 ms

c.js

c.js

903 ms

pic1.gif

pic1.gif

1115 ms

Accessibility Review

ls-carbide.com accessibility score

70

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.

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

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

ls-carbide.com 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

SEO Factors

ls-carbide.com SEO score

91

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

    N/A

  • Encoding

    UTF-8

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

ls-carbide.com

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