Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

donhi.com.tw

大東海教育集團 - 國家公職考試,高普初地特考,五等佐級初考,證照就業考試,地方鐵路警察司法關務移民考,銀行郵局電信台電台水中油中鋼考

Page Load Speed

21.1 sec in total

First Response

631 ms

Resources Loaded

19.4 sec

Page Rendered

988 ms

donhi.com.tw screenshot

About Website

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

大東海補習班超強系列:權威專精:高普考,初等考,地方考,鐵路考,警察考,司法考,關務考,稅務考,海巡考,移民考,退除役,調查局,國安局,外交考,原住民,身心考,社福考,銀行郵政電信台電台水台糖台菸台港考試,中油中鋼中龍捷運考試,農會水利會考試,記帳士,地政士,不動產經紀人,導遊領隊,消防師士,升等升資考試,警察專科考試,...大東海獨家精快狠準考情!天天遙遙領先全國!

Visit donhi.com.tw

Key Findings

We analyzed Donhi.com.tw page load time and found that the first response time was 631 ms and then it took 20.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

donhi.com.tw performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value135.6 s

0/100

25%

SI (Speed Index)

Value27.2 s

0/100

10%

TBT (Total Blocking Time)

Value820 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.34

33/100

15%

TTI (Time to Interactive)

Value37.1 s

0/100

10%

Network Requests Diagram

donhi.com.tw

631 ms

donhi.com.tw

1857 ms

xoops.css

767 ms

xoops.css

579 ms

kidz.css

1955 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 90% of them (118 requests) were addressed to the original Donhi.com.tw, 5% (6 requests) were made to Fonts.gstatic.com and 2% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (9.6 sec) belongs to the original domain Donhi.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (16%)

Content Size

14.8 MB

After Optimization

12.4 MB

In fact, the total size of Donhi.com.tw main page is 14.8 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. Only a small number of websites need less resources to load. Images take 14.2 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 200.0 kB

  • Original 222.4 kB
  • After minification 163.8 kB
  • After compression 22.4 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 58.5 kB, which is 26% 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 200.0 kB or 90% of the original size.

Image Optimization

-13%

Potential reduce by 1.9 MB

  • Original 14.2 MB
  • After minification 12.3 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. Obviously, Donhi needs image optimization as it can save up to 1.9 MB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 127.2 kB

  • Original 172.3 kB
  • After minification 138.2 kB
  • After compression 45.2 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 127.2 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 179.2 kB

  • Original 208.5 kB
  • After minification 153.8 kB
  • After compression 29.3 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. Donhi.com.tw needs all CSS files to be minified and compressed as it can save up to 179.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (51%)

Requests Now

119

After Optimization

58

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donhi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

donhi.com.tw accessibility score

73

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

donhi.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

donhi.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 Donhi.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 Donhi.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 description is not detected on the main page of Donhi. 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: