Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

shblood.org.cn

上海市血液管理办公室

Page Load Speed

29 sec in total

First Response

1.8 sec

Resources Loaded

27 sec

Page Rendered

206 ms

shblood.org.cn screenshot

About Website

Click here to check amazing Shblood content. Otherwise, check out these important facts you probably never knew about shblood.org.cn

上海市血液管理办公室_上海献血,无偿献血,血液管理,输血,血液,全血,造血上海市血液管理办公室 Shanghai Blood Administration Office 上海市长宁区虹桥路1191号2号楼 Building 2 No.1191 Hongqiao Road Changning District, Shanghai T: +86-21-62191426 F: +86-21-621...

Visit shblood.org.cn

Key Findings

We analyzed Shblood.org.cn page load time and found that the first response time was 1.8 sec and then it took 27.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

shblood.org.cn performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

shblood.org.cn

1778 ms

style.css

757 ms

jquery-1.8.0.min.js

3251 ms

all_js.js

935 ms

banner.js

998 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 70% of them (23 requests) were addressed to the original Shblood.org.cn, 6% (2 requests) were made to Dcs.conac.cn and 3% (1 request) were made to V1.cnzz.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Shblood.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.8 kB (41%)

Content Size

415.9 kB

After Optimization

246.1 kB

In fact, the total size of Shblood.org.cn main page is 415.9 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. Only 5% of websites need less resources to load. Images take 220.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 16.3 kB

  • Original 20.5 kB
  • After minification 14.0 kB
  • After compression 4.2 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 6.4 kB, which is 31% 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 16.3 kB or 80% of the original size.

Image Optimization

-17%

Potential reduce by 36.9 kB

  • Original 220.0 kB
  • After minification 183.0 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. Obviously, Shblood needs image optimization as it can save up to 36.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 100.3 kB

  • Original 154.9 kB
  • After minification 154.1 kB
  • After compression 54.6 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 100.3 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 16.2 kB

  • Original 20.5 kB
  • After minification 18.4 kB
  • After compression 4.3 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. Shblood.org.cn needs all CSS files to be minified and compressed as it can save up to 16.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (18%)

Requests Now

28

After Optimization

23

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shblood. 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 as a result speed up the page load time.

Accessibility Review

shblood.org.cn accessibility score

74

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

Image elements do not have [alt] attributes

Best Practices

shblood.org.cn 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

SEO Factors

shblood.org.cn SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shblood.org.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Shblood.org.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 Shblood. 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: