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da-rong.com.tw screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

da-rong.com.tw

Submersible Pumps Manufacturers, Deep Well Submersible Pumps Suppliers

Page Load Speed

2.2 sec in total

First Response

202 ms

Resources Loaded

1.8 sec

Page Rendered

241 ms

da-rong.com.tw screenshot

About Website

Welcome to da-rong.com.tw homepage info - get ready to check Da Rong best content right away, or after learning these important things about da-rong.com.tw

DA-RONG is one of the professional submersible pumps manufacturers and suppliers in Taiwan. Offering submersible pumps are produced in accordance with ISO-9001 quality standard and CE certifications. ...

Visit da-rong.com.tw

Key Findings

We analyzed Da-rong.com.tw page load time and found that the first response time was 202 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

da-rong.com.tw performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.1 s

32/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.258

48/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

da-rong.com.tw

202 ms

www.da-rong.com.tw

410 ms

js

53 ms

js

100 ms

bootstrap.css

395 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 81% of them (29 requests) were addressed to the original Da-rong.com.tw, 8% (3 requests) were made to Googletagmanager.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (727 ms) belongs to the original domain Da-rong.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 333.4 kB (11%)

Content Size

3.1 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Da-rong.com.tw main page is 3.1 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. 30% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 10.1 kB

  • Original 13.4 kB
  • After minification 10.9 kB
  • After compression 3.2 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 2.4 kB, which is 18% 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 10.1 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 8.5 kB

  • Original 2.7 MB
  • After minification 2.7 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. Da Rong images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 119.3 kB

  • Original 207.7 kB
  • After minification 173.0 kB
  • After compression 88.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 119.3 kB or 57% of the original size.

CSS Optimization

-85%

Potential reduce by 195.5 kB

  • Original 229.9 kB
  • After minification 189.4 kB
  • After compression 34.5 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. Da-rong.com.tw needs all CSS files to be minified and compressed as it can save up to 195.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (56%)

Requests Now

32

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Da Rong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

da-rong.com.tw

da-rong.com.tw

202 ms

www.da-rong.com.tw

www.da-rong.com.tw

410 ms

js

js

53 ms

js

js

100 ms

bootstrap.css

bootstrap.css

395 ms

font-awesome.css

font-awesome.css

377 ms

owl.theme.default.css

owl.theme.default.css

248 ms

owl.carousel.css

owl.carousel.css

247 ms

jquery.bxslider.css

jquery.bxslider.css

248 ms

rwd_table.css

rwd_table.css

248 ms

main.css

main.css

379 ms

responsive_fix.css

responsive_fix.css

314 ms

modernizr-2.8.3-respond-1.4.2.min.js

modernizr-2.8.3-respond-1.4.2.min.js

380 ms

jquery.min.js

jquery.min.js

126 ms

bootstrap.min.js

bootstrap.min.js

479 ms

main.js

main.js

380 ms

swipe.js

swipe.js

477 ms

jquery.scrollUp.js

jquery.scrollUp.js

478 ms

owl.carousel.js

owl.carousel.js

637 ms

js

js

48 ms

analytics.js

analytics.js

71 ms

collect

collect

13 ms

css

css

29 ms

logo.png

logo.png

67 ms

index_banner03.png

index_banner03.png

586 ms

index_banner01.png

index_banner01.png

721 ms

index_banner04.png

index_banner04.png

603 ms

index_banner02.png

index_banner02.png

727 ms

index_prod_bg.jpg

index_prod_bg.jpg

262 ms

50hz-s.jpg

50hz-s.jpg

258 ms

60hz-s.jpg

60hz-s.jpg

324 ms

submersible-motor-s.jpg

submersible-motor-s.jpg

327 ms

exploded-view-s.jpg

exploded-view-s.jpg

390 ms

footer_qr.jpg

footer_qr.jpg

393 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

487 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

422 ms

Accessibility Review

da-rong.com.tw accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

da-rong.com.tw 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

da-rong.com.tw 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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Da-rong.com.tw can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Da-rong.com.tw 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

da-rong.com.tw

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