Tools & Wizards About Us
dlco.tw screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% 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

  • 62

    SEO

    Google-friendlier than
    23% of websites

dlco.tw

DAH LING HARDWARE CO.,LTD. - COMPANY

Page Load Speed

38.8 sec in total

First Response

1.5 sec

Resources Loaded

37.2 sec

Page Rendered

129 ms

dlco.tw screenshot

About Website

Visit dlco.tw now to see the best up-to-date Dl CO content and also check out these interesting facts you probably never knew about dlco.tw

DAH LING HARDWARE CO.,LTD. 建材五金,拉門器,門包角鍊,building hardware,patch fitting,flush bolt,hardware,window assories,glass assories,fitting,hinge,hardware     Established in 1978, Dah Ling Hardware CO. Ltd. (...

Visit dlco.tw

Key Findings

We analyzed Dlco.tw page load time and found that the first response time was 1.5 sec and then it took 37.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dlco.tw performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value34.5 s

0/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

dlco.tw

1485 ms

www.dlco.tw

757 ms

product.html

6806 ms

reset-min.css

488 ms

body_en.css

1747 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 93% of them (62 requests) were addressed to the original Dlco.tw, 3% (2 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Dlco.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 249.4 kB (38%)

Content Size

650.7 kB

After Optimization

401.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dlco.tw main page is 650.7 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 293.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 18.9 kB

  • Original 23.1 kB
  • After minification 19.0 kB
  • After compression 4.2 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 4.1 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 18.9 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 7.6 kB

  • Original 293.5 kB
  • After minification 285.8 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. Dl CO images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 180.4 kB

  • Original 281.1 kB
  • After minification 263.3 kB
  • After compression 100.7 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 180.4 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 42.4 kB

  • Original 53.0 kB
  • After minification 41.5 kB
  • After compression 10.6 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. Dlco.tw needs all CSS files to be minified and compressed as it can save up to 42.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (61%)

Requests Now

61

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dl CO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dlco.tw

dlco.tw

1485 ms

www.dlco.tw

www.dlco.tw

757 ms

product.html

product.html

6806 ms

reset-min.css

reset-min.css

488 ms

body_en.css

body_en.css

1747 ms

thickbox.css

thickbox.css

3002 ms

site.css

site.css

5760 ms

jquery.ui.all.css

jquery.ui.all.css

487 ms

jquery.min.js

jquery.min.js

13 ms

jquery-ui.min.js

jquery-ui.min.js

17 ms

thickbox.js

thickbox.js

4784 ms

site.js

site.js

12451 ms

jquery.ui.base.css

jquery.ui.base.css

2541 ms

jquery.ui.theme.css

jquery.ui.theme.css

8093 ms

jquery.effects.transfer.js

jquery.effects.transfer.js

1735 ms

jquery.form.js

jquery.form.js

5371 ms

jquery.ui.core.css

jquery.ui.core.css

2242 ms

jquery.ui.resizable.css

jquery.ui.resizable.css

2728 ms

jquery.ui.selectable.css

jquery.ui.selectable.css

3213 ms

jquery.ui.accordion.css

jquery.ui.accordion.css

3216 ms

jquery.ui.autocomplete.css

jquery.ui.autocomplete.css

3450 ms

jquery.ui.button.css

jquery.ui.button.css

5886 ms

jquery.ui.dialog.css

jquery.ui.dialog.css

3701 ms

jquery.ui.slider.css

jquery.ui.slider.css

3932 ms

jquery.ui.tabs.css

jquery.ui.tabs.css

4187 ms

jquery.ui.datepicker.css

jquery.ui.datepicker.css

6844 ms

jquery.ui.progressbar.css

jquery.ui.progressbar.css

4670 ms

addthis_widget.js

addthis_widget.js

11 ms

bgc_bg.jpg

bgc_bg.jpg

19784 ms

001118_bgc_a1.jpg

001118_bgc_a1.jpg

10538 ms

001118_btc_01.jpg

001118_btc_01.jpg

3145 ms

001118_btc_02.jpg

001118_btc_02.jpg

1453 ms

001118_btc_03.jpg

001118_btc_03.jpg

1693 ms

001118_btc_04.jpg

001118_btc_04.jpg

1699 ms

001118_btc_05.jpg

001118_btc_05.jpg

2910 ms

001118_bgc_a2.jpg

001118_bgc_a2.jpg

16623 ms

001125_bge_a3.jpg

001125_bge_a3.jpg

4857 ms

001125_bgc_cd.jpg

001125_bgc_cd.jpg

5334 ms

Indicators.png

Indicators.png

3629 ms

back.png

back.png

4114 ms

product_title.png

product_title.png

5813 ms

DL62-1-.jpg

DL62-1-.jpg

8000 ms

DL407A-.jpg

DL407A-.jpg

11406 ms

DL931A.jpg

DL931A.jpg

12369 ms

close.png

close.png

9454 ms

001118_B.jpg

001118_B.jpg

16110 ms

0.gif

0.gif

11751 ms

5.gif

5.gif

11891 ms

1.gif

1.gif

12238 ms

9.gif

9.gif

12377 ms

7.gif

7.gif

12856 ms

3.gif

3.gif

12863 ms

6.gif

6.gif

13342 ms

zoom_in.png

zoom_in.png

13348 ms

zoom_out.png

zoom_out.png

14718 ms

cart.png

cart.png

14800 ms

share.png

share.png

13833 ms

rss_32.png

rss_32.png

14314 ms

page_up.png

page_up.png

14798 ms

product_folder.png

product_folder.png

15187 ms

list_icon.png

list_icon.png

15268 ms

001118_bgc_f.jpg

001118_bgc_f.jpg

19763 ms

list_back.png

list_back.png

15754 ms

ga.js

ga.js

11 ms

get_cart

get_cart

16261 ms

__utm.gif

__utm.gif

12 ms

loadingAnimation.gif

loadingAnimation.gif

17512 ms

Accessibility Review

dlco.tw accessibility score

73

Accessibility Issues

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

Links do not have a discernible name

Best Practices

dlco.tw 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

SEO Factors

dlco.tw SEO score

62

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

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 Dlco.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 Dlco.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

dlco.tw

Open Graph description is not detected on the main page of Dl CO. 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: