Tools & Wizards About Us
js-precision.com screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

js-precision.com

Dongguan Jinsheng Precision Technology Co.,Ltd - Chinese factory manufacturer of Press die components,Tungsten carbide mold parts,CNC machining parts,...

Page Load Speed

2.7 sec in total

First Response

97 ms

Resources Loaded

2.2 sec

Page Rendered

456 ms

js-precision.com screenshot

About Website

Visit js-precision.com now to see the best up-to-date Js Precision content for Taiwan and also check out these interesting facts you probably never knew about js-precision.com

Since 9th May, 2015, JS PRECISION has been providing precision parts processing services for various industries for nearly 10years, we produce and export press die components, tungsten carbide mold pa...

Visit js-precision.com

Key Findings

We analyzed Js-precision.com page load time and found that the first response time was 97 ms and then it took 2.6 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

js-precision.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

js-precision.com

97 ms

js-precision.com

193 ms

bootstrap.css

152 ms

bxslider.css

167 ms

jquery.min.js

163 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that all of those requests were addressed to Js-precision.com and no external sources were called. The less responsive or slowest element that took the longest time to load (986 ms) belongs to the original domain Js-precision.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 243.2 kB (10%)

Content Size

2.3 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Js-precision.com main page is 2.3 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. 60% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 49.8 kB

  • Original 57.0 kB
  • After minification 49.7 kB
  • After compression 7.2 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. This page needs HTML code to be minified as it can gain 7.3 kB, which is 13% 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 49.8 kB or 87% of the original size.

Image Optimization

-8%

Potential reduce by 183.6 kB

  • Original 2.2 MB
  • After minification 2.0 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. Js Precision images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 4.1 kB

  • Original 55.6 kB
  • After minification 55.6 kB
  • After compression 51.6 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

-11%

Potential reduce by 5.8 kB

  • Original 51.8 kB
  • After minification 51.8 kB
  • After compression 46.0 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. Js-precision.com needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (18%)

Requests Now

60

After Optimization

49

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Js Precision. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

js-precision.com

js-precision.com

97 ms

js-precision.com

js-precision.com

193 ms

bootstrap.css

bootstrap.css

152 ms

bxslider.css

bxslider.css

167 ms

jquery.min.js

jquery.min.js

163 ms

bxslider.min.js

bxslider.min.js

185 ms

common.js

common.js

187 ms

bootstrap.js

bootstrap.js

187 ms

ionicons.min.css

ionicons.min.css

299 ms

bootstrap.min.css

bootstrap.min.css

319 ms

style.css

style.css

312 ms

font-awesome.min.css

font-awesome.min.css

327 ms

style_xys.css

style_xys.css

325 ms

jquery.smoove.min.js

jquery.smoove.min.js

386 ms

eonline.css

eonline.css

446 ms

online.js

online.js

473 ms

logo143332.jpg

logo143332.jpg

281 ms

flash151123.jpg

flash151123.jpg

295 ms

flash151148.jpg

flash151148.jpg

294 ms

flash151158.jpg

flash151158.jpg

307 ms

flash15168.jpg

flash15168.jpg

427 ms

flash151352.jpg

flash151352.jpg

438 ms

bx_loader.gif

bx_loader.gif

254 ms

span_line.png

span_line.png

281 ms

122_0.jpg

122_0.jpg

282 ms

43_0.jpg

43_0.jpg

283 ms

35_0.jpg

35_0.jpg

405 ms

24_0.jpg

24_0.jpg

405 ms

20_0.jpg

20_0.jpg

421 ms

19_0.jpg

19_0.jpg

446 ms

18_0.jpg

18_0.jpg

436 ms

17_0.jpg

17_0.jpg

428 ms

16_0.jpg

16_0.jpg

558 ms

15_0.jpg

15_0.jpg

556 ms

14_0.jpg

14_0.jpg

628 ms

JS-PRECISION-DIN-9861-D-PUNCHES-WITH-CONICAL-HEAD-Schneidstempel-mit-kegeligem-Kopf--Punch-with-countersunk-head-13-14201527-0.jpg

JS-PRECISION-DIN-9861-D-PUNCHES-WITH-CONICAL-HEAD-Schneidstempel-mit-kegeligem-Kopf--Punch-with-countersunk-head-13-14201527-0.jpg

511 ms

bg193927.jpg

bg193927.jpg

581 ms

tu202727.jpg

tu202727.jpg

596 ms

tu204252.png

tu204252.png

669 ms

tu202815.jpg

tu202815.jpg

712 ms

212416.jpg

212416.jpg

705 ms

138_0.jpg

138_0.jpg

731 ms

137_0.jpg

137_0.jpg

753 ms

133_0.jpg

133_0.jpg

787 ms

132_0.jpg

132_0.jpg

823 ms

131_0.jpg

131_0.jpg

852 ms

130_0.jpg

130_0.jpg

860 ms

129_0.jpg

129_0.jpg

879 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

906 ms

128_0.jpg

128_0.jpg

912 ms

127_0.jpg

127_0.jpg

885 ms

126_0.jpg

126_0.jpg

894 ms

125_0.jpg

125_0.jpg

896 ms

124_0.jpg

124_0.jpg

922 ms

wechat17347.png

wechat17347.png

937 ms

map.gif

map.gif

979 ms

online_skype.jpg

online_skype.jpg

883 ms

wapp.jpg

wapp.jpg

907 ms

online_email.jpg

online_email.jpg

908 ms

controls.png

controls.png

916 ms

panel-bg.png

panel-bg.png

947 ms

top.png

top.png

986 ms

middle.png

middle.png

897 ms

bottom.png

bottom.png

903 ms

cmsfloatqrcodepanel-hd-bg.gif

cmsfloatqrcodepanel-hd-bg.gif

903 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

564 ms

Accessibility Review

js-precision.com accessibility score

73

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

Form elements do not have associated labels

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

js-precision.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

js-precision.com SEO score

82

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

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 Js-precision.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 Js-precision.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

js-precision.com

Open Graph description is not detected on the main page of Js Precision. 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: