Tools & Wizards About Us
zhonggaoseals.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

zhonggaoseals.com

Sealing Ring, Oil Seal, Bonded Seal, Diaphragm, O-Ring Cord Suppliers and Manufacturers - China Factory - Zhonggao Seal Technology

Page Load Speed

2.8 sec in total

First Response

44 ms

Resources Loaded

1.1 sec

Page Rendered

1.7 sec

zhonggaoseals.com screenshot

About Website

Click here to check amazing Zhonggao Seal S content. Otherwise, check out these important facts you probably never knew about zhonggaoseals.com

ZG offers o-rings, oil seals, rubber part. Our company is a successful manufacturer and supplier. We have devoted ourselves to rubber deals many years. Providing excellent service and competitive pric...

Visit zhonggaoseals.com

Key Findings

We analyzed Zhonggaoseals.com page load time and found that the first response time was 44 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zhonggaoseals.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.2

62/100

15%

TTI (Time to Interactive)

Value8.7 s

37/100

10%

Network Requests Diagram

zhonggaoseals.com

44 ms

zhonggaoseals.com

178 ms

www.zhonggaoseals.com

230 ms

css2

29 ms

style.css

332 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 28% of them (19 requests) were addressed to the original Zhonggaoseals.com, 39% (26 requests) were made to Css02.v15cdn.com and 15% (10 requests) were made to Img01.v15cdn.com. The less responsive or slowest element that took the longest time to load (338 ms) relates to the external source Css02.v15cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.3 kB (14%)

Content Size

174.9 kB

After Optimization

150.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhonggaoseals.com main page is 174.9 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. 45% of websites need less resources to load. Javascripts take 88.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 19.9 kB

  • Original 26.1 kB
  • After minification 26.1 kB
  • After compression 6.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.9 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 1.5 kB

  • Original 29.3 kB
  • After minification 27.7 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. Zhonggao Seal S images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.5 kB

  • Original 88.6 kB
  • After minification 88.6 kB
  • After compression 86.1 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

-1%

Potential reduce by 454 B

  • Original 31.0 kB
  • After minification 31.0 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. Zhonggaoseals.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (41%)

Requests Now

61

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhonggao Seal S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zhonggaoseals.com

zhonggaoseals.com

44 ms

zhonggaoseals.com

zhonggaoseals.com

178 ms

www.zhonggaoseals.com

www.zhonggaoseals.com

230 ms

css2

css2

29 ms

style.css

style.css

332 ms

common.css

common.css

338 ms

jquery-3.6.0.js

jquery-3.6.0.js

281 ms

Site_Common.js

Site_Common.js

278 ms

countup-lib.js

countup-lib.js

185 ms

swiper.min.js

swiper.min.js

199 ms

wow.js

wow.js

197 ms

JavaScript.js

JavaScript.js

199 ms

lock-body-scroll.js

lock-body-scroll.js

203 ms

count.js

count.js

279 ms

float11004.js

float11004.js

12 ms

privacy-policy.js

privacy-policy.js

280 ms

iconfont.css

iconfont.css

9 ms

message.css

message.css

12 ms

gtm.js

gtm.js

126 ms

en.webp

en.webp

267 ms

logo95462.png

logo95462.png

57 ms

aboutus_bg.webp

aboutus_bg.webp

67 ms

homePC-bg_02.webp

homePC-bg_02.webp

67 ms

pt.webp

pt.webp

271 ms

de.webp

de.webp

271 ms

fr.webp

fr.webp

270 ms

ru.webp

ru.webp

277 ms

it.webp

it.webp

276 ms

ja.webp

ja.webp

275 ms

ar.webp

ar.webp

277 ms

es.webp

es.webp

278 ms

ba202008281539457883896.jpg

ba202008281539457883896.jpg

69 ms

ba202212131049589936976.jpg

ba202212131049589936976.jpg

86 ms

ba201803281344589460833.jpg

ba201803281344589460833.jpg

82 ms

black-custom-epdm-rubber-stripb26f8dff-febe-463e-97d1-a4ae5be6007a.jpg

black-custom-epdm-rubber-stripb26f8dff-febe-463e-97d1-a4ae5be6007a.jpg

84 ms

blue-silicone-o-ring9e2fc617-63f0-4afe-a1a6-3f23a0ea82ec.jpg

blue-silicone-o-ring9e2fc617-63f0-4afe-a1a6-3f23a0ea82ec.jpg

82 ms

bonded-seal-washers4d6f1794-2275-4996-80e6-da8a1cbbbf77.jpg

bonded-seal-washers4d6f1794-2275-4996-80e6-da8a1cbbbf77.jpg

85 ms

plain-washer-for-assembly7af192b7-14d4-4643-b6de-d3552399de5f.jpg

plain-washer-for-assembly7af192b7-14d4-4643-b6de-d3552399de5f.jpg

87 ms

e653b147-1f24-4a24-90e6-ae4c41ba9f9e.jpg

e653b147-1f24-4a24-90e6-ae4c41ba9f9e.jpg

95 ms

fep-encapsulated-rubber-o-rings58169534261.jpg

fep-encapsulated-rubber-o-rings58169534261.jpg

92 ms

rubber-fep-encapsulated-o-rings50469050212.jpg

rubber-fep-encapsulated-o-rings50469050212.jpg

99 ms

fep-solid-silicone-cord-o-ring41534853228.jpg

fep-solid-silicone-cord-o-ring41534853228.jpg

106 ms

home-about-us.jpg

home-about-us.jpg

98 ms

erwei9546220230927.jpg

erwei9546220230927.jpg

258 ms

s

s

214 ms

icon_chat.webp

icon_chat.webp

223 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

43 ms

fa-brands-400.ttf

fa-brands-400.ttf

53 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

3 ms

aboutus.webp

aboutus.webp

12 ms

aboutus.webp

aboutus.webp

18 ms

aboutus.webp

aboutus.webp

8 ms

aboutus.webp

aboutus.webp

8 ms

aboutus.webp

aboutus.webp

7 ms

aboutus.webp

aboutus.webp

8 ms

aboutus.webp

aboutus.webp

8 ms

aboutus.webp

aboutus.webp

7 ms

aboutus.webp

aboutus.webp

7 ms

aboutus.webp

aboutus.webp

7 ms

aboutus.webp

aboutus.webp

7 ms

aboutus.webp

aboutus.webp

12 ms

aboutus.webp

aboutus.webp

21 ms

aboutus.webp

aboutus.webp

9 ms

aboutus.webp

aboutus.webp

11 ms

aboutus.webp

aboutus.webp

9 ms

aboutus.webp

aboutus.webp

8 ms

aboutus.webp

aboutus.webp

8 ms

Accessibility Review

zhonggaoseals.com accessibility score

97

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.

Best Practices

zhonggaoseals.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

zhonggaoseals.com SEO score

90

Search Engine Optimization Advices

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 Zhonggaoseals.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 Zhonggaoseals.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

zhonggaoseals.com

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