Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

lablead.cn

北京兰博利德商贸有限公司

Page Load Speed

11.5 sec in total

First Response

799 ms

Resources Loaded

10.6 sec

Page Rendered

141 ms

About Website

Visit lablead.cn now to see the best up-to-date Lablead content and also check out these interesting facts you probably never knew about lablead.cn

网站描述北京兰博利德商贸有限公司（LABLEAD），成立于2007年。专业从事生命科学方面的服务，为客户提供试剂、耗材、仪器等产品，主要涵盖生物化学、分子生物学、细胞生物学、微生物学、植物学、免疫学、免疫诊断、分子诊断等领域。 我公司为国家高新技术企业，通过ISO9001:2015质量管理体系认证，经过权威认证机构的严格审核，在企业信用标准认定中顺利通过AAA信用体系认证，荣获“AAA级企业信用企...

Visit lablead.cn

Key Findings

We analyzed Lablead.cn page load time and found that the first response time was 799 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

lablead.cn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.155

74/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

www.lablead.cn

799 ms

www.lablead.cn

3644 ms

default.css

1305 ms

font.css

193 ms

iconfont.css

1029 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 11% of them (7 requests) were addressed to the original Lablead.cn, 51% (33 requests) were made to Pro75a1b0-pic6.websiteonline.cn and 38% (25 requests) were made to Static.websiteonline.cn. The less responsive or slowest element that took the longest time to load (3.9 sec) relates to the external source Pro75a1b0-pic6.websiteonline.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 636.8 kB (13%)

Content Size

5.1 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lablead.cn main page is 5.1 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. 35% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 260.1 kB

  • Original 293.5 kB
  • After minification 291.3 kB
  • After compression 33.4 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 260.1 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 305.5 kB

  • Original 4.5 MB
  • After minification 4.2 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. Lablead images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 66.6 kB

  • Original 240.2 kB
  • After minification 238.4 kB
  • After compression 173.6 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 66.6 kB or 28% of the original size.

CSS Optimization

-24%

Potential reduce by 4.6 kB

  • Original 19.6 kB
  • After minification 19.3 kB
  • After compression 15.0 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. Lablead.cn needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (26%)

Requests Now

62

After Optimization

46

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lablead. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lablead.cn accessibility score

76

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

lablead.cn best practices score

67

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

SEO Factors

lablead.cn SEO score

82

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

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 Lablead.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 Lablead.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 Lablead. 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: