Tools & Wizards About Us

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cosjar.com.tw

Skincare and Cosmetics Packaging One-Stop Supplies - COSJAR

Page Load Speed

792 ms in total

First Response

140 ms

Resources Loaded

449 ms

Page Rendered

203 ms

About Website

Click here to check amazing COSJAR content. Otherwise, check out these important facts you probably never knew about cosjar.com.tw

COSJAR, since 1976, is a cosmetic packaging manufacturer. All sizes and materials of makeup containers, including, cosmetic jars, cosmetic bottles and cosmetic airless bottles, providing one-stop skin...

Visit cosjar.com.tw

Key Findings

We analyzed Cosjar.com.tw page load time and found that the first response time was 140 ms and then it took 652 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

cosjar.com.tw performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

cosjar.com.tw

140 ms

www.cosjar.com.tw

9 ms

www.cosjar.com.tw

29 ms

19 ms

js

203 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 41% of them (7 requests) were addressed to the original Cosjar.com.tw, 53% (9 requests) were made to Cdn.ready-market.com.tw and 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (223 ms) relates to the external source Cdn.ready-market.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.1 kB (17%)

Content Size

163.1 kB

After Optimization

136.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cosjar.com.tw main page is 163.1 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. 30% of websites need less resources to load. Images take 108.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 24.2 kB

  • Original 32.4 kB
  • After minification 31.3 kB
  • After compression 8.2 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. 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 24.2 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 2.8 kB

  • Original 108.8 kB
  • After minification 106.0 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. COSJAR images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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

-12%

Potential reduce by 107 B

  • Original 884 B
  • After minification 884 B
  • After compression 777 B

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. Cosjar.com.tw needs all CSS files to be minified and compressed as it can save up to 107 B or 12% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COSJAR. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

cosjar.com.tw accessibility score

100

Accessibility Issues

Best Practices

cosjar.com.tw best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

cosjar.com.tw SEO score

100

Search Engine Optimization Advices

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

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 Cosjar.com.tw 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 Cosjar.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

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