Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

how2use.idv.tw

HOW TO USE教學站-軟體教學、電腦問題、免費資源、軟體下載

Page Load Speed

3.2 sec in total

First Response

926 ms

Resources Loaded

2.2 sec

Page Rendered

111 ms

how2use.idv.tw screenshot

About Website

Welcome to how2use.idv.tw homepage info - get ready to check How 2 Use best content for Taiwan right away, or after learning these important things about how2use.idv.tw

主要是以軟體教學及一些電腦的問題為主,也附加了一些網路免費資源的收集

Visit how2use.idv.tw

Key Findings

We analyzed How2use.idv.tw page load time and found that the first response time was 926 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

how2use.idv.tw performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

how2use.idv.tw

926 ms

web.css

228 ms

logo.gif

903 ms

powerby.gif

415 ms

show_ads.js

4 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 37% of them (11 requests) were addressed to the original How2use.idv.tw, 17% (5 requests) were made to Pagead2.googlesyndication.com and 13% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (926 ms) belongs to the original domain How2use.idv.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.7 kB (23%)

Content Size

73.6 kB

After Optimization

56.9 kB

In fact, the total size of How2use.idv.tw main page is 73.6 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. Javascripts take 32.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.1 kB

  • Original 11.2 kB
  • After minification 10.4 kB
  • After compression 3.1 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 8.1 kB or 72% of the original size.

Image Optimization

-3%

Potential reduce by 850 B

  • Original 30.1 kB
  • After minification 29.3 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. How 2 Use images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 7.6 kB

  • Original 32.0 kB
  • After minification 31.8 kB
  • After compression 24.5 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 7.6 kB or 24% of the original size.

CSS Optimization

-56%

Potential reduce by 165 B

  • Original 294 B
  • After minification 249 B
  • After compression 129 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. How2use.idv.tw needs all CSS files to be minified and compressed as it can save up to 165 B or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (26%)

Requests Now

27

After Optimization

20

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of How 2 Use. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

how2use.idv.tw accessibility score

57

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

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

how2use.idv.tw best practices score

67

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

how2use.idv.tw SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise How2use.idv.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that How2use.idv.tw main page’s claimed encoding is big5. 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

Open Graph description is not detected on the main page of How 2 Use. 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: