Access colofor.com.tw. 印刷老兵-Print Soldier

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.639

9/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

colofor.com.tw

1648 ms

api.js

43 ms

js

113 ms

js

114 ms

recaptcha__en.js

23 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 88% of them (50 requests) were addressed to the original Colofor.com.tw, 5% (3 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Colofor.com.tw.

Content Size

1.8 MB

After Optimization

1.3 MB

In fact, the total size of Colofor.com.tw main page is 1.8 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 71.9 kB

Original 84.5 kB
After minification 74.8 kB
After compression 12.6 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 9.7 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 71.9 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 69.6 kB

Original 1.1 MB
After minification 1.0 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. Colofor images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 120.6 kB

Original 379.3 kB
After minification 364.9 kB
After compression 258.7 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 120.6 kB or 32% of the original size.

CSS Optimization

-82%

Potential reduce by 148.7 kB

Original 180.4 kB
After minification 176.5 kB
After compression 31.7 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. Colofor.com.tw needs all CSS files to be minified and compressed as it can save up to 148.7 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colofor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

JA
Language Claimed

ZH
Encoding

UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colofor.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Colofor.com.tw main page’s claimed encoding is utf8. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

colofor.com.tw

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

Report Summary

Performance

Accessibility

Best Practices

SEO

印刷老兵-Print Soldier

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

colofor.com.tw

api.js

js

js

recaptcha__en.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

colofor.com.tw

api.js

js

js

recaptcha__en.js

gtm.js

colofor_logo.jpg

fb.png

in.png

pchome.png

sp.png

colofor_logo1.jpg

back.gif

slide_7.jpg

slide_8.jpg

slide_9.jpg

slide_10.jpg

slide_11.jpg

load_css.js

load_js.js

slide_12.jpg

cag1.jpg

cag6.jpg

cag4.jpg

cag3.jpg

cag5.jpg

cag2.jpg

7814_0.JPG

7818_0.JPG

7819_0.JPG

7874_0.JPG

7873_0.JPG

7872_0.JPG

pchome.png

3E-small.png

pchome_music.png

eleavtor.jpg

oda-other.jpg

yam.png

sale-paper-2.jpg

label.jpg

sale-paper.jpg

sample-1.jpg