Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

oichina.cn

为工业和科研客户提供分析设备、半导体设备、超导磁体、超低温设备等高科技解决方案及相关服务和支持 - 牛津仪器

Page Load Speed

8.1 sec in total

First Response

861 ms

Resources Loaded

6.8 sec

Page Rendered

362 ms

About Website

Welcome to oichina.cn homepage info - get ready to check Oichina best content right away, or after learning these important things about oichina.cn

牛津仪器科技（上海）有限公司隶属于英国牛津仪器集团。牛津仪器1959年创建于英国牛津，是英国伦敦证交所的上市公司，为工业和科研客户提供分析设备、半导体设备、超导磁体、超低温设备等高科技解决方案及相关服务和支持。

Visit oichina.cn

Key Findings

We analyzed Oichina.cn page load time and found that the first response time was 861 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

oichina.cn performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value3,260 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value32.6 s

0/100

10%

Network Requests Diagram

oichina.cn

861 ms

www.oxinst.cn

1071 ms

313ce15c-4eec-4c1d-a6d3-3e24c16d95ac.js

448 ms

TCaptcha.js

1848 ms

5936.js

50 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Oichina.cn, 61% (31 requests) were made to Oxinst.cn and 12% (6 requests) were made to Ir.tools.investis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Ssl.captcha.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 596.3 kB (15%)

Content Size

3.9 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oichina.cn main page is 3.9 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. 50% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 75.2 kB

  • Original 99.3 kB
  • After minification 94.6 kB
  • After compression 24.1 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 75.2 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 351.0 kB

  • Original 3.0 MB
  • After minification 2.7 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, Oichina needs image optimization as it can save up to 351.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 170.1 kB

  • Original 666.1 kB
  • After minification 666.1 kB
  • After compression 496.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 170.1 kB or 26% of the original size.

CSS Optimization

-0%

Potential reduce by 93 B

  • Original 94.7 kB
  • After minification 94.7 kB
  • After compression 94.7 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. Oichina.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (36%)

Requests Now

42

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oichina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

oichina.cn accessibility score

86

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

oichina.cn 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

Missing source maps for large first-party JavaScript

SEO Factors

oichina.cn SEO score

85

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oichina.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Oichina.cn 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 data is detected on the main page of Oichina. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: