Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

seebio.cn

深耕诊断试剂原料研发创新,全方位助力科学研究事业 - 西宝生物科技(上海)股份有限公司 - Powered by Seebio

Page Load Speed

9 sec in total

First Response

2.1 sec

Resources Loaded

6.6 sec

Page Rendered

327 ms

seebio.cn screenshot

About Website

Click here to check amazing Seebio content for China. Otherwise, check out these important facts you probably never knew about seebio.cn

西宝生物科技(上海)股份有限公司是中国生命科学领域优选的综合服务商,产品涉及诊断免疫、生命科学研究、健康保健和新材料等领域,提供以下特色产品:诊断用酶及底物,抗体,新冠病毒检测,免疫检测用生物活性材料等诊断试剂原料,生物缓冲液,Krovin系列防腐剂,酶稳定剂,细胞培养等科研试剂,以及氨基酸分析,糖基分析,色谱分析用试剂,标准品和仪器,耗材。

Visit seebio.cn

Key Findings

We analyzed Seebio.cn page load time and found that the first response time was 2.1 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

seebio.cn performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value39.5 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value380 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.151

76/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

seebio.cn

2076 ms

font-awesome.css

1105 ms

bootstrap.css

1559 ms

owl.carousel.css

906 ms

magnific-popup.css

895 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 89% of them (56 requests) were addressed to the original Seebio.cn, 8% (5 requests) were made to Kefu5.cckefucloud.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Seebio.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 587.2 kB (9%)

Content Size

6.9 MB

After Optimization

6.3 MB

In fact, the total size of Seebio.cn main page is 6.9 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. 55% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 112.8 kB

  • Original 125.2 kB
  • After minification 116.1 kB
  • After compression 12.4 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 112.8 kB or 90% of the original size.

Image Optimization

-6%

Potential reduce by 372.0 kB

  • Original 6.4 MB
  • After minification 6.0 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. Seebio images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 56.6 kB

  • Original 238.0 kB
  • After minification 238.0 kB
  • After compression 181.3 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 56.6 kB or 24% of the original size.

CSS Optimization

-41%

Potential reduce by 45.7 kB

  • Original 112.0 kB
  • After minification 112.0 kB
  • After compression 66.3 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. Seebio.cn needs all CSS files to be minified and compressed as it can save up to 45.7 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (48%)

Requests Now

61

After Optimization

32

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seebio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

seebio.cn accessibility score

47

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

seebio.cn 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

High

Browser errors were logged to the console

SEO Factors

seebio.cn SEO score

82

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seebio.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Seebio.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 description is not detected on the main page of Seebio. 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: