Tools & Wizards About Us
qefds.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

qefds.com

Sport sunglasses and goggles | QEF DESIGN CORP. | Taiwan

Page Load Speed

3.4 sec in total

First Response

1.4 sec

Resources Loaded

1.9 sec

Page Rendered

72 ms

qefds.com screenshot

About Website

Click here to check amazing QEF Ds content. Otherwise, check out these important facts you probably never knew about qefds.com

QEF DESIGN CORP established its Headquarter in Taipei in 2004 and its Factories in Tainan in 2014,specializes in R&D, design and manufacturing of Sportive Sunglasses.

Visit qefds.com

Key Findings

We analyzed Qefds.com page load time and found that the first response time was 1.4 sec and then it took 2 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

qefds.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

Network Requests Diagram

www.qefds.com

1382 ms

minified.js

33 ms

focus-within-polyfill.js

27 ms

polyfill.min.js

74 ms

thunderbolt-commons.8add2233.bundle.min.js

56 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Qefds.com, 41% (12 requests) were made to Static.parastorage.com and 41% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Qefds.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 836.4 kB (67%)

Content Size

1.2 MB

After Optimization

408.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Qefds.com main page is 1.2 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. 25% of websites need less resources to load. HTML takes 857.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 693.9 kB

  • Original 857.5 kB
  • After minification 855.7 kB
  • After compression 163.6 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. 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 693.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.7 kB
  • After minification 3.7 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. QEF Ds images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 142.5 kB

  • Original 384.0 kB
  • After minification 384.0 kB
  • After compression 241.5 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 142.5 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (63%)

Requests Now

16

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of QEF Ds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.qefds.com

www.qefds.com

1382 ms

minified.js

minified.js

33 ms

focus-within-polyfill.js

focus-within-polyfill.js

27 ms

polyfill.min.js

polyfill.min.js

74 ms

thunderbolt-commons.8add2233.bundle.min.js

thunderbolt-commons.8add2233.bundle.min.js

56 ms

main.1550a9c2.bundle.min.js

main.1550a9c2.bundle.min.js

122 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

119 ms

lodash.min.js

lodash.min.js

122 ms

react.production.min.js

react.production.min.js

121 ms

react-dom.production.min.js

react-dom.production.min.js

134 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

122 ms

0aa5ee_b505adc31b134e4ca4939e75333278b6~mv2.jpg

0aa5ee_b505adc31b134e4ca4939e75333278b6~mv2.jpg

274 ms

bundle.min.js

bundle.min.js

51 ms

130 ms

121 ms

122 ms

122 ms

121 ms

116 ms

155 ms

157 ms

150 ms

155 ms

152 ms

149 ms

deprecation-en.v5.html

deprecation-en.v5.html

4 ms

bolt-performance

bolt-performance

27 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

6 ms

Accessibility Review

qefds.com accessibility score

93

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

Best Practices

qefds.com best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

qefds.com SEO score

100

Search Engine Optimization Advices

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 Qefds.com 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 Qefds.com 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

qefds.com

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