Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 66

    SEO

    Google-friendlier than
    25% of websites

qualfiber.com

Gpon Onu, Ftth Router, Aerial Cable - Qualfiber Technology

Page Load Speed

21.3 sec in total

First Response

572 ms

Resources Loaded

19.9 sec

Page Rendered

869 ms

About Website

Welcome to qualfiber.com homepage info - get ready to check Qualfiber best content right away, or after learning these important things about qualfiber.com

Qualfiber Technology Co., Ltd is the Chinese national Hi-tech optoelectronics company engaged in R&D, manufacture, and marketing of fiber optical products.

Visit qualfiber.com

Key Findings

We analyzed Qualfiber.com page load time and found that the first response time was 572 ms and then it took 20.7 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

qualfiber.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

qualfiber.com

572 ms

qualfiber.com

1601 ms

js

1710 ms

js-1

1442 ms

style.css

1024 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 91% of them (108 requests) were addressed to the original Qualfiber.com, 7% (8 requests) were made to Form.globalso.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.3 sec) belongs to the original domain Qualfiber.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 335.8 kB (13%)

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of Qualfiber.com main page is 2.6 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. 40% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 89.5 kB

  • Original 104.1 kB
  • After minification 83.7 kB
  • After compression 14.6 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 20.3 kB, which is 20% 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 89.5 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 233.4 kB

  • Original 2.2 MB
  • After minification 1.9 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, Qualfiber needs image optimization as it can save up to 233.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 7.4 kB

  • Original 299.4 kB
  • After minification 299.4 kB
  • After compression 292.0 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

-14%

Potential reduce by 5.6 kB

  • Original 40.8 kB
  • After minification 40.8 kB
  • After compression 35.2 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. Qualfiber.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (48%)

Requests Now

113

After Optimization

59

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qualfiber. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

qualfiber.com 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

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

qualfiber.com best practices score

58

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

qualfiber.com SEO score

66

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

High

Document doesn't have a valid hreflang

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

Open Graph description is not detected on the main page of Qualfiber. 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: