Tools & Wizards About Us

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ahead.com.tw

華錦光電科技股份有限公司

Page Load Speed

5.6 sec in total

First Response

469 ms

Resources Loaded

4.9 sec

Page Rendered

192 ms

About Website

Click here to check amazing Ahead content. Otherwise, check out these important facts you probably never knew about ahead.com.tw

華錦光電（AHEAD Optoelectronics, INC.）設立於1995年，初期以全像及LED號誌為主；於2015年加入高準集團後，專注於繞射光學元件開發，搭配母公司光學模具優勢，進而衍伸WLO及3D感測方案整合。2019年擴編至華亞科技園區，建立WLO & Active Alignment產線，全廠通過ISO認證，以提供設計、開發、製造等垂直整合服務。 華錦光電為光學整合方案服務與元件製...

Visit ahead.com.tw

Key Findings

We analyzed Ahead.com.tw page load time and found that the first response time was 469 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

ahead.com.tw performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.906

3/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

ahead.com.tw

469 ms

Index

1421 ms

public_style.css

600 ms

css

53 ms

css

54 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 79% of them (72 requests) were addressed to the original Ahead.com.tw, 8% (7 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Ahead.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (46%)

Content Size

2.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ahead.com.tw main page is 2.8 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. 65% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 68.7 kB

  • Original 80.3 kB
  • After minification 59.3 kB
  • After compression 11.6 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 21.0 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 68.7 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 51.3 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. Ahead images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 498.8 kB

  • Original 852.1 kB
  • After minification 732.5 kB
  • After compression 353.3 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 498.8 kB or 59% of the original size.

CSS Optimization

-87%

Potential reduce by 674.9 kB

  • Original 772.8 kB
  • After minification 621.9 kB
  • After compression 97.9 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. Ahead.com.tw needs all CSS files to be minified and compressed as it can save up to 674.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (79%)

Requests Now

81

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ahead. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ahead.com.tw accessibility score

78

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 input fields do not have accessible names

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.

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

ahead.com.tw best practices score

75

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

SEO Factors

ahead.com.tw SEO score

83

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

Links do not have descriptive text

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ahead.com.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 Ahead.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 Ahead. 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: