Tools & Wizards About Us
powernavi.com.tw screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

powernavi.com.tw

inCAR車用介面影音系統

Page Load Speed

3.5 sec in total

First Response

205 ms

Resources Loaded

2.3 sec

Page Rendered

926 ms

powernavi.com.tw screenshot

About Website

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

inCAR 航創科技擁有從軟到硬的整合能力，提供全方位車用影音多媒體産品

Visit powernavi.com.tw

Key Findings

We analyzed Powernavi.com.tw page load time and found that the first response time was 205 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

powernavi.com.tw performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value2,230 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.26

47/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

powernavi.com.tw

205 ms

www.powernavi.com.tw

370 ms

js

233 ms

js

405 ms

fbevents.js

156 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 15% of them (9 requests) were addressed to the original Powernavi.com.tw, 41% (25 requests) were made to Fcdn.goodq.top and 18% (11 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Fonts.goodq.top.

Page Optimization Overview & Recommendations

Page size can be reduced by 318.4 kB (7%)

Content Size

4.4 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Powernavi.com.tw main page is 4.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 170.7 kB

  • Original 195.8 kB
  • After minification 182.7 kB
  • After compression 25.1 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 170.7 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 145.7 kB

  • Original 4.0 MB
  • After minification 3.8 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. Powernavi images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 24 B

  • Original 217.1 kB
  • After minification 217.1 kB
  • After compression 217.1 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

-5%

Potential reduce by 2.0 kB

  • Original 37.9 kB
  • After minification 37.9 kB
  • After compression 35.9 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. Powernavi.com.tw has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (29%)

Requests Now

52

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Powernavi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

powernavi.com.tw

powernavi.com.tw

205 ms

www.powernavi.com.tw

www.powernavi.com.tw

370 ms

js

js

233 ms

js

js

405 ms

fbevents.js

fbevents.js

156 ms

oldie.css

oldie.css

12 ms

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322 ms

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Accessibility Review

powernavi.com.tw accessibility score

67

Accessibility Issues

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

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

powernavi.com.tw best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

powernavi.com.tw SEO score

79

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

High

Page is blocked from indexing

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

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 Powernavi.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 Powernavi.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

powernavi.com.tw

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