Tools & Wizards About Us
kejianinc.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kejianinc.com

China's Largest Butyl Tape/Butyl Sealant Manufacturer and Supplier- Kejian Polymer Materials (Shanghai) Co.,Ltd

Page Load Speed

4.2 sec in total

First Response

457 ms

Resources Loaded

3.2 sec

Page Rendered

566 ms

kejianinc.com screenshot

About Website

Visit kejianinc.com now to see the best up-to-date Kejian Inc content and also check out these interesting facts you probably never knew about kejianinc.com

Kejian Polymer Materials (Shanghai) Co., Ltd is China's largest butyl tape/butyl sealant manufacturer. It has more than 25 years' experience in butyl tapes, vacuum consumables, sealants and sealant ta...

Visit kejianinc.com

Key Findings

We analyzed Kejianinc.com page load time and found that the first response time was 457 ms and then it took 3.7 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

kejianinc.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

kejianinc.com

457 ms

www.kejianinc.com

559 ms

swiper.min.css

155 ms

animate.css

132 ms

style.css

302 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 40% of them (28 requests) were addressed to the original Kejianinc.com, 20% (14 requests) were made to Img01.v15cdn.com and 19% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Kejianinc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.8 kB (6%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kejianinc.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. 55% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 35.9 kB

  • Original 43.7 kB
  • After minification 41.7 kB
  • After compression 7.8 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 35.9 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 33.7 kB

  • Original 1.2 MB
  • After minification 1.2 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. Kejian Inc images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 25.7 kB

  • Original 243.8 kB
  • After minification 243.8 kB
  • After compression 218.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 25.7 kB or 11% of the original size.

CSS Optimization

-3%

Potential reduce by 451 B

  • Original 16.6 kB
  • After minification 16.6 kB
  • After compression 16.1 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. Kejianinc.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (54%)

Requests Now

68

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kejian Inc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kejianinc.com

kejianinc.com

457 ms

www.kejianinc.com

www.kejianinc.com

559 ms

swiper.min.css

swiper.min.css

155 ms

animate.css

animate.css

132 ms

style.css

style.css

302 ms

jquery.js

jquery.js

165 ms

sitecommon.js

sitecommon.js

167 ms

style.js

style.js

84 ms

rvc.js

rvc.js

94 ms

other.css

other.css

76 ms

Site_Common.js

Site_Common.js

166 ms

swiper.min.js

swiper.min.js

173 ms

count2.js

count2.js

167 ms

float8804.js

float8804.js

162 ms

logo202112101554140745243.png

logo202112101554140745243.png

169 ms

amore.webp

amore.webp

286 ms

nav.png

nav.png

79 ms

skills.jpg

skills.jpg

95 ms

qiu.jpg

qiu.jpg

109 ms

ball.png

ball.png

108 ms

bicycle.jpg

bicycle.jpg

114 ms

20240710044917ddc1a.jpg

20240710044917ddc1a.jpg

793 ms

2024060311490599df5.jpg

2024060311490599df5.jpg

721 ms

2024060311454271f42.jpg

2024060311454271f42.jpg

992 ms

202406031149435c010.jpg

202406031149435c010.jpg

951 ms

p201810231345103184674.jpg

p201810231345103184674.jpg

446 ms

p201810231345267160361.jpg

p201810231345267160361.jpg

391 ms

p201810231345394730405.jpg

p201810231345394730405.jpg

685 ms

p201810231345538965630.jpg

p201810231345538965630.jpg

715 ms

p201810231346063845937.jpg

p201810231346063845937.jpg

810 ms

p201810231346181673784.jpg

p201810231346181673784.jpg

927 ms

201809271628168223388.jpg

201809271628168223388.jpg

857 ms

201809271628154365842.jpg

201809271628154365842.jpg

889 ms

201809271628145523923.JPG

201809271628145523923.JPG

948 ms

201809271628141009064.jpg

201809271628141009064.jpg

967 ms

201809271628144739076.JPG

201809271628144739076.JPG

1003 ms

201809271628152138131.jpg

201809271628152138131.jpg

1021 ms

201809271628169008235.jpg

201809271628169008235.jpg

1029 ms

201809271628154866609.JPG

201809271628154866609.JPG

1063 ms

20220608154427708d9d5e914742afa86af0e156ded883.jpg

20220608154427708d9d5e914742afa86af0e156ded883.jpg

1647 ms

2022060815443594d75f95eb5d4f72a1a08b572e7bccad.jpg

2022060815443594d75f95eb5d4f72a1a08b572e7bccad.jpg

1192 ms

201810231140562155992.jpg

201810231140562155992.jpg

1213 ms

201810231141148640885.JPG

201810231141148640885.JPG

1317 ms

en.webp

en.webp

272 ms

it.webp

it.webp

275 ms

ja.webp

ja.webp

284 ms

vn.webp

vn.webp

282 ms

de.webp

de.webp

284 ms

ar.webp

ar.webp

284 ms

ko.webp

ko.webp

281 ms

ru.webp

ru.webp

283 ms

tr.webp

tr.webp

290 ms

pt.webp

pt.webp

290 ms

fr.webp

fr.webp

293 ms

es.webp

es.webp

290 ms

s

s

1317 ms

default

default

188 ms

wmkc-ico25.webp

wmkc-ico25.webp

206 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

167 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

65 ms

twk-event-polyfill.js

twk-event-polyfill.js

168 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

63 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

167 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

172 ms

twk-main.js

twk-main.js

76 ms

twk-vendor.js

twk-vendor.js

75 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

86 ms

twk-chunk-common.js

twk-chunk-common.js

97 ms

twk-runtime.js

twk-runtime.js

97 ms

twk-app.js

twk-app.js

163 ms

Accessibility Review

kejianinc.com accessibility score

93

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

[id] attributes on active, focusable elements are not unique

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

Best Practices

kejianinc.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

kejianinc.com SEO score

92

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

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 Kejianinc.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 Kejianinc.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

kejianinc.com

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