Tools & Wizards About Us
barrideoptics.en.alibaba.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

barrideoptics.en.alibaba.com

Company Overview - Ningbo Barride Optics Co., Ltd.

Page Load Speed

3.8 sec in total

First Response

614 ms

Resources Loaded

2.8 sec

Page Rendered

396 ms

barrideoptics.en.alibaba.com screenshot

About Website

Welcome to barrideoptics.en.alibaba.com homepage info - get ready to check Barride Optics En Alibaba best content for China right away, or after learning these important things about barrideoptics.en.alibaba.com

Ningbo Barride Optics Co., Ltd. Products:Telescope, Microscope, Binoculars, Magnifier, Hunting Scope

Visit barrideoptics.en.alibaba.com

Key Findings

We analyzed Barrideoptics.en.alibaba.com page load time and found that the first response time was 614 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

barrideoptics.en.alibaba.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value4,110 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

barrideoptics.en.alibaba.com

614 ms

barrideoptics.en.alibaba.com

265 ms

69 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

50 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

91 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Barrideoptics.en.alibaba.com, 32% (15 requests) were made to S.alicdn.com and 21% (10 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Bdc.alibabachengdun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 855.9 kB (25%)

Content Size

3.5 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Barrideoptics.en.alibaba.com main page is 3.5 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. Javascripts take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 512.7 kB

  • Original 615.7 kB
  • After minification 614.9 kB
  • After compression 103.0 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 512.7 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 8.5 kB

  • Original 318.1 kB
  • After minification 309.7 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. Barride Optics En Alibaba images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 333.6 kB

  • Original 2.5 MB
  • After minification 2.5 MB
  • After compression 2.2 MB

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 333.6 kB or 13% of the original size.

CSS Optimization

-3%

Potential reduce by 1.1 kB

  • Original 35.9 kB
  • After minification 35.9 kB
  • After compression 34.8 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. Barrideoptics.en.alibaba.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (38%)

Requests Now

45

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Barride Optics En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

barrideoptics.en.alibaba.com

barrideoptics.en.alibaba.com

614 ms

barrideoptics.en.alibaba.com

barrideoptics.en.alibaba.com

265 ms

69 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

50 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

91 ms

80 ms

renderHeader.js

renderHeader.js

53 ms

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H4fed9248457f44fe9977d98b9a19da85f.jpg

629 ms

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H90e78371cb824eff99d88cafe9fc3b3dS.jpg

609 ms

Ha1f6fed67f0440a4a3bae59890706ab8P.jpg

Ha1f6fed67f0440a4a3bae59890706ab8P.jpg

926 ms

awsc.js

awsc.js

86 ms

12 ms

7.gif

7.gif

52 ms

index.js

index.js

46 ms

index.js

index.js

11 ms

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TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

24 ms

H0e9e8ac070454103852eaaa01c6072d4k.jpg

H0e9e8ac070454103852eaaa01c6072d4k.jpg

168 ms

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TB1JuFLkBBh1e4jSZFhXXcC9VXa-2477-841.jpg

42 ms

082db86aa6c44162aee7d5d86cde6210

082db86aa6c44162aee7d5d86cde6210

1217 ms

H5d22c75d0ad649539f72d3153d1c1e67B.jpeg_100x100.jpeg

H5d22c75d0ad649539f72d3153d1c1e67B.jpeg_100x100.jpeg

159 ms

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Hb3c49b5bcd1c44a19f2a87fed971ccfeF.jpg

183 ms

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23 ms

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28 ms

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33 ms

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45 ms

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188 ms

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1243 ms

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TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

155 ms

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

40 ms

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

42 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

155 ms

awsc.js

awsc.js

14 ms

baxiaCommon.js

baxiaCommon.js

16 ms

wcfg.json

wcfg.json

1286 ms

rp

rp

1176 ms

et_n.js

et_n.js

23 ms

um.js

um.js

16 ms

wu.json

wu.json

857 ms

eg.js

eg.js

5 ms

um.json

um.json

57 ms

getUmid.do

getUmid.do

28 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

19 ms

normalize.css

normalize.css

258 ms

index.css

index.css

311 ms

mtoplib.min.js

mtoplib.min.js

8 ms

uploaded.js

uploaded.js

16 ms

index.js

index.js

666 ms

Accessibility Review

barrideoptics.en.alibaba.com accessibility score

69

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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

barrideoptics.en.alibaba.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

barrideoptics.en.alibaba.com SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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 doesn't use 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 Barrideoptics.en.alibaba.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 Barrideoptics.en.alibaba.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

barrideoptics.en.alibaba.com

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