Access dhbiotech.com. 动物疾病模型-流式细胞检测-细胞凋亡/增殖-RNA提取试剂盒-上海东寰生物科技有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

www.dhbiotech.com

1710 ms

base.css

637 ms

index.css

686 ms

min.css

741 ms

rBAAoVtnsA2AUntEAAANtS4zKus271.png

1139 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 12% of them (8 requests) were addressed to the original Dhbiotech.com, 41% (27 requests) were made to Img01.71360.com and 15% (10 requests) were made to Staticjs.71360.com. The less responsive or slowest element that took the longest time to load (13.7 sec) relates to the external source Img01.71360.com.

Content Size

2.0 MB

After Optimization

1.2 MB

In fact, the total size of Dhbiotech.com main page is 2.0 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 53.8 kB

Original 63.8 kB
After minification 57.1 kB
After compression 10.0 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 53.8 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 144 B

Original 1.2 MB
After minification 1.2 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. Dhbiotech images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 44.5 kB

Original 101.1 kB
After minification 101.0 kB
After compression 56.5 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 44.5 kB or 44% of the original size.

CSS Optimization

-98%

Potential reduce by 668.1 kB

Original 681.8 kB
After minification 124.2 kB
After compression 13.7 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. Dhbiotech.com needs all CSS files to be minified and compressed as it can save up to 668.1 kB or 98% of the original size.

Requests Now

After Optimization

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dhbiotech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS 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 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 are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

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 Dhbiotech.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 Dhbiotech.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

dhbiotech.com

Open Graph description is not detected on the main page of Dhbiotech. 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

动物疾病模型-流式细胞检测-细胞凋亡/增殖-RNA提取试剂盒-上海东寰生物科技有限公司

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

www.dhbiotech.com

base.css

index.css

min.css

rBAAoVtnsA2AUntEAAANtS4zKus271.png

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

www.dhbiotech.com

base.css

index.css

min.css

rBAAoVtnsA2AUntEAAANtS4zKus271.png

2020073114555778029.png

demo.css

iconfont.css

dialogLoad.gif

jquery.min.js

swiper.jquery.min.js

lazyload.js

vue.min.js

swiper.animate1.0.2.min.js

jquery-ui-effects.min.js

jquery.validate.min.js

messages_zh.js

floatadv.js

magnifier.js

magnifiers.js

api

base.js

index.js

jquery.placeholder.min.js

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login-verify.html

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