Report Summary

  • 10

    Performance

    Renders faster than
    23% 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

  • 83

    SEO

    Google-friendlier than
    46% of websites

sanmin.com.tw

三民網路書店 San Min Book Co.,Ltd|書種最齊全、服務最迅速

Page Load Speed

20.1 sec in total

First Response

4.5 sec

Resources Loaded

15.1 sec

Page Rendered

406 ms

sanmin.com.tw screenshot

About Website

Visit sanmin.com.tw now to see the best up-to-date San Min content for Taiwan and also check out these interesting facts you probably never knew about sanmin.com.tw

三民網路書店秉持「打開一本書,看見全世界」的理念,提供繁體、簡體、外文書、政府/大學出版百萬種書籍、文具生活禮品等選項購買,及企業採購、海外配送、超商取貨等多樣服務,三民網路書店讓愛書人盡情悠游於無涯的書海。

Visit sanmin.com.tw

Key Findings

We analyzed Sanmin.com.tw page load time and found that the first response time was 4.5 sec and then it took 15.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sanmin.com.tw performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.9 s

0/100

25%

SI (Speed Index)

Value27.8 s

0/100

10%

TBT (Total Blocking Time)

Value5,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.189

65/100

15%

TTI (Time to Interactive)

Value34.5 s

0/100

10%

Network Requests Diagram

www.sanmin.com.tw

4523 ms

gtm.js

53 ms

gtm.js

96 ms

index.css

651 ms

search.css

654 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 26% of them (20 requests) were addressed to the original Sanmin.com.tw, 47% (36 requests) were made to Cdnec.sanmin.com.tw and 7% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (8.6 sec) relates to the external source Cdnec.sanmin.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 737.0 kB (70%)

Content Size

1.1 MB

After Optimization

321.8 kB

In fact, the total size of Sanmin.com.tw main page is 1.1 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. 70% of websites need less resources to load. HTML takes 485.3 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 446.9 kB

  • Original 485.3 kB
  • After minification 308.2 kB
  • After compression 38.4 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 177.2 kB, which is 37% 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 446.9 kB or 92% of the original size.

Image Optimization

-78%

Potential reduce by 163.3 kB

  • Original 208.8 kB
  • After minification 45.5 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. Obviously, San Min needs image optimization as it can save up to 163.3 kB or 78% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-42%

Potential reduce by 115.5 kB

  • Original 275.7 kB
  • After minification 275.4 kB
  • After compression 160.2 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 115.5 kB or 42% of the original size.

CSS Optimization

-13%

Potential reduce by 11.2 kB

  • Original 89.0 kB
  • After minification 87.4 kB
  • After compression 77.8 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. Sanmin.com.tw needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (57%)

Requests Now

74

After Optimization

32

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of San Min. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sanmin.com.tw accessibility score

73

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sanmin.com.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sanmin.com.tw SEO score

83

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

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

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sanmin.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 Sanmin.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 San Min. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: