Access zkxk120.com. 北京中科血康血液病研究院_血液病专利

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value29.9 s

0/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

zkxk120.com

698 ms

basic.css

225 ms

index.css

425 ms

jquery-1.11.1.min.js

641 ms

jquery.js

873 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that all of those requests were addressed to Zkxk120.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Zkxk120.com.

Content Size

4.2 MB

After Optimization

4.1 MB

In fact, the total size of Zkxk120.com main page is 4.2 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. 70% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 39.8 kB

Original 47.3 kB
After minification 39.6 kB
After compression 7.5 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 7.7 kB, which is 16% 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 39.8 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 40.7 kB

Original 4.0 MB
After minification 4.0 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. Zkxk 120 images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 16.2 kB

Original 98.9 kB
After minification 98.9 kB
After compression 82.8 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 16.2 kB or 16% of the original size.

CSS Optimization

-38%

Potential reduce by 5.3 kB

Original 14.0 kB
After minification 13.8 kB
After compression 8.7 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. Zkxk120.com needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 38% of the original size.

Requests Now

After Optimization

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zkxk 120. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

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 Zkxk120.com 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 Zkxk120.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

zkxk120.com

Open Graph description is not detected on the main page of Zkxk 120. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

北京中科血康血液病研究院_血液病专利_谢别录

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zkxk120.com

basic.css

index.css

jquery-1.11.1.min.js

jquery.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

zkxk120.com

basic.css

index.css

jquery-1.11.1.min.js

jquery.js

jquery.SuperSlide.2.1.3.js

swt.js

touchslide.1.1.js

unslider.min.js

jquery.superslide.2.1.1.js

zk_img_03.jpg

zk_img_05.png

zk_img_07.jpg

bnn2.jpg

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bnn4.jpg

asf_03.png

asf_06.png

asf_11.png

asf_13.png

setzk_03.png

setzk_tit_03.jpg

set_zk_zhi_03.jpg

setzk_07.jpg

setzk_10.jpg

setzk_12.jpg

yishi1.png

yishi2.jpg

yishi3.jpg

setzk_zj_03.jpg

z.png

g.png

arrowl.png

arrowr.png

setzk_tit_07.jpg

set_zk_zhi_07.jpg

set+zk_te_03.jpg

set_zk_ts_03.jpg

zx.jpg

setzk_tit_11.jpg

setzk_15.png

setzk_tit_15.jpg

setzk_18.jpg