Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

oncetop.com

Brush Motor|Brushless motor|Stepper motor|DC motor-86-755-29886108

Page Load Speed

32.2 sec in total

First Response

3.5 sec

Resources Loaded

25.5 sec

Page Rendered

3.2 sec

oncetop.com screenshot

About Website

Click here to check amazing Oncetop content. Otherwise, check out these important facts you probably never knew about oncetop.com

Shenzhen Once Top Manufactory Limited. is a professional engaged in R & D, DC micro motor production, marketing enterprises. Products include: Brush DC motor, coreless motor, gear motor, brushless mot...

Visit oncetop.com

Key Findings

We analyzed Oncetop.com page load time and found that the first response time was 3.5 sec and then it took 28.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

oncetop.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.213

58/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

oncetop.com

3464 ms

Index.css

808 ms

Common.css

611 ms

reset.css

437 ms

public.css

1534 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 93% of them (92 requests) were addressed to the original Oncetop.com, 3% (3 requests) were made to Hm.baidu.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Oncetop.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.2 kB (39%)

Content Size

843.0 kB

After Optimization

513.8 kB

In fact, the total size of Oncetop.com main page is 843.0 kB. 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. Images take 414.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.7 kB

  • Original 41.9 kB
  • After minification 34.7 kB
  • After compression 8.2 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 7.2 kB, which is 17% 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 33.7 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 2.1 kB

  • Original 414.8 kB
  • After minification 412.8 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. Oncetop images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 251.2 kB

  • Original 333.9 kB
  • After minification 257.5 kB
  • After compression 82.7 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 251.2 kB or 75% of the original size.

CSS Optimization

-81%

Potential reduce by 42.2 kB

  • Original 52.3 kB
  • After minification 44.7 kB
  • After compression 10.1 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. Oncetop.com needs all CSS files to be minified and compressed as it can save up to 42.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (46%)

Requests Now

96

After Optimization

52

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oncetop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oncetop.com accessibility score

65

Accessibility Issues

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

oncetop.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oncetop.com SEO score

62

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Oncetop.com 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 Oncetop.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 Oncetop. 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: