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name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

zym.com.tw

1938 ms

reset.min.css

394 ms

jquery-ui.min.css

979 ms

3dgallery.css

394 ms

bjqs.css

394 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 93% of them (76 requests) were addressed to the original Zym.com.tw, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Zym.com.tw.

Content Size

1.6 MB

After Optimization

1.4 MB

In fact, the total size of Zym.com.tw main page is 1.6 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 78.5 kB

Original 90.3 kB
After minification 80.1 kB
After compression 11.8 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. This page needs HTML code to be minified as it can gain 10.2 kB, which is 11% 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 78.5 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 131.4 kB

Original 1.3 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. Zym images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 5.1 kB

Original 145.7 kB
After minification 145.7 kB
After compression 140.6 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 2.3 kB

Original 21.8 kB
After minification 21.8 kB
After compression 19.5 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. Zym.com.tw needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 11% of the original size.

Requests Now

After Optimization

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zym. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.