Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

topcent.cc

Furniture Hardware, Cabinet Hinges, Drawer Slides,Cabinet Handles,Furniture Fittings,Topcent-首页-拓臣英文站

Page Load Speed

4.2 sec in total

First Response

217 ms

Resources Loaded

3.6 sec

Page Rendered

327 ms

About Website

Click here to check amazing Topcent content. Otherwise, check out these important facts you probably never knew about topcent.cc

Topcent is one of China's early private enterprises which involved in development of home hardware production. Concentrating on two core business furniture hardware and decorative hardware, Topcent pr

Visit topcent.cc

Key Findings

We analyzed Topcent.cc page load time and found that the first response time was 217 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

topcent.cc performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.512

15/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

topcent.cc

217 ms

topcent.cc

414 ms

tc-en.css

8 ms

wddq.css

16 ms

ac.js

13 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 93% of them (66 requests) were addressed to the original Topcent.cc, 6% (4 requests) were made to Peka.com and 1% (1 request) were made to Peka-system.ch. The less responsive or slowest element that took the longest time to load (702 ms) relates to the external source Peka.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 259.8 kB (9%)

Content Size

3.0 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Topcent.cc main page is 3.0 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 29.7 kB

  • Original 35.6 kB
  • After minification 25.6 kB
  • After compression 5.9 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 10.0 kB, which is 28% 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 29.7 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 172.9 kB

  • Original 2.7 MB
  • After minification 2.5 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. Topcent images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 37.0 kB

  • Original 219.0 kB
  • After minification 219.0 kB
  • After compression 181.9 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 37.0 kB or 17% of the original size.

CSS Optimization

-27%

Potential reduce by 20.2 kB

  • Original 75.1 kB
  • After minification 75.1 kB
  • After compression 55.0 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. Topcent.cc needs all CSS files to be minified and compressed as it can save up to 20.2 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (42%)

Requests Now

60

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topcent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

topcent.cc accessibility score

43

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.

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

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

topcent.cc 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

High

Page has valid source maps

SEO Factors

topcent.cc 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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Topcent.cc can be misinterpreted by Google and other search engines. Our service has detected that English 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 Topcent.cc 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 Topcent. 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: