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lianyuseal.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

lianyuseal.com

Automotive Oil Seals, Mechanical Oil Seal Manufacturer | LYO Oil Seal

Page Load Speed

4.5 sec in total

First Response

459 ms

Resources Loaded

3.8 sec

Page Rendered

170 ms

lianyuseal.com screenshot

About Website

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

Lian Yu (LYO) Oil Seal is a professional manufacturer of oil seals for vehicles and machinery. We engage to meet the needs of our clients and provide high-quality car oil seals and mechanical oil seal...

Visit lianyuseal.com

Key Findings

We analyzed Lianyuseal.com page load time and found that the first response time was 459 ms and then it took 4 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

lianyuseal.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.23

54/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

lianyuseal.com

459 ms

www.lianyuseal.com

897 ms

bootstrap.css

433 ms

rest.css

638 ms

style.css

645 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 78% of them (36 requests) were addressed to the original Lianyuseal.com, 9% (4 requests) were made to Gdpr.urb2b.com and 7% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Lianyuseal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.0 kB (5%)

Content Size

741.8 kB

After Optimization

702.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lianyuseal.com main page is 741.8 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. 25% of websites need less resources to load. Images take 613.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 11.0 kB

  • Original 15.0 kB
  • After minification 12.9 kB
  • After compression 4.0 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 2.1 kB, which is 14% 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 11.0 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 21.5 kB

  • Original 613.7 kB
  • After minification 592.2 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. Lianyu Seal images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.8 kB

  • Original 81.7 kB
  • After minification 81.6 kB
  • After compression 78.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 3.7 kB

  • Original 31.3 kB
  • After minification 31.3 kB
  • After compression 27.7 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. Lianyuseal.com needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (67%)

Requests Now

43

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lianyu Seal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lianyuseal.com

lianyuseal.com

459 ms

www.lianyuseal.com

www.lianyuseal.com

897 ms

bootstrap.css

bootstrap.css

433 ms

rest.css

rest.css

638 ms

style.css

style.css

645 ms

ionicons.min.css

ionicons.min.css

56 ms

featherlight.min.css

featherlight.min.css

646 ms

jquery-1.7.0.min.js

jquery-1.7.0.min.js

865 ms

featherlight.min.js

featherlight.min.js

656 ms

jquery.min.js

jquery.min.js

894 ms

simpleMobileMenu.css

simpleMobileMenu.css

848 ms

index_style.css

index_style.css

858 ms

css

css

38 ms

gdpr.js

gdpr.js

893 ms

gdpr.init.js

gdpr.init.js

905 ms

jquery.min.js

jquery.min.js

32 ms

simpleMobileMenu.js

simpleMobileMenu.js

859 ms

css

css

17 ms

css

css

22 ms

logo.jpg

logo.jpg

216 ms

1.jpg

1.jpg

659 ms

2.jpg

2.jpg

439 ms

3.jpg

3.jpg

852 ms

1.jpg

1.jpg

214 ms

2.jpg

2.jpg

217 ms

3.jpg

3.jpg

420 ms

index_faq.jpg

index_faq.jpg

638 ms

index_pro01.jpg

index_pro01.jpg

858 ms

index_pro02.jpg

index_pro02.jpg

637 ms

index_pro03.jpg

index_pro03.jpg

878 ms

index_pro04.jpg

index_pro04.jpg

856 ms

index_pro05.jpg

index_pro05.jpg

1065 ms

move-top.png

move-top.png

877 ms

footer_li.gif

footer_li.gif

1066 ms

sns_01.png

sns_01.png

1070 ms

sns_02.png

sns_02.png

1073 ms

sns_03.png

sns_03.png

1094 ms

sns_04.png

sns_04.png

1097 ms

sns_05.png

sns_05.png

1278 ms

sns_06.png

sns_06.png

1277 ms

sns_07.png

sns_07.png

1284 ms

sns_08.png

sns_08.png

1287 ms

font

font

26 ms

basiccontrols.woff

basiccontrols.woff

1257 ms

tarteaucitron.css

tarteaucitron.css

213 ms

tarteaucitron.en.js

tarteaucitron.en.js

217 ms

Accessibility Review

lianyuseal.com accessibility score

82

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

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

lianyuseal.com best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

lianyuseal.com SEO score

78

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

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 Lianyuseal.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 Lianyuseal.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

lianyuseal.com

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