Tools & Wizards About Us
a-gen.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

a-gen.com

深孔板, 储液槽, 封盖和封膜, 移液枪头, 管柱类 – 浙江爱津生物科技有限公司

Page Load Speed

3.7 sec in total

First Response

254 ms

Resources Loaded

2.6 sec

Page Rendered

845 ms

a-gen.com screenshot

About Website

Visit a-gen.com now to see the best up-to-date A Gen content for China and also check out these interesting facts you probably never knew about a-gen.com

浙江爱津生物科技有限公司多年来致力于为您提供各种深孔板, 储液槽, 封盖和封膜。价格优惠，质量保证，欢迎垂询。

Visit a-gen.com

Key Findings

We analyzed A-gen.com page load time and found that the first response time was 254 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

a-gen.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.836

4/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

www.a-gen.com

254 ms

prodsearch.css

225 ms

buttonGroup.css

102 ms

button.css

153 ms

style.css

245 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original A-gen.com, 63% (29 requests) were made to Ilrorwxhnkmllj5p-static.micyjz.com and 24% (11 requests) were made to Jnrorwxhnkmllj5p-static.micyjz.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Zz.bdstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 435.3 kB (14%)

Content Size

3.2 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of A-gen.com main page is 3.2 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. 50% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 278.6 kB

  • Original 326.3 kB
  • After minification 299.1 kB
  • After compression 47.7 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 278.6 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 156.7 kB

  • Original 2.9 MB
  • After minification 2.7 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. A Gen images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 18 B

  • Original 261 B
  • After minification 261 B
  • After compression 243 B

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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 4 (9%)

Requests Now

43

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A Gen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.a-gen.com

www.a-gen.com

254 ms

prodsearch.css

prodsearch.css

225 ms

buttonGroup.css

buttonGroup.css

102 ms

button.css

button.css

153 ms

style.css

style.css

245 ms

rnkpKBrlkkRlkSlnjmRliSlmqmmlRliSplominRljSjrrlroilnnnmRjiSiqlqqpmmrjrrSRil.css

rnkpKBrlkkRlkSlnjmRliSlmqmmlRliSplominRljSjrrlroilnnnmRjiSiqlqqpmmrjrrSRil.css

115 ms

speedLazyLoad4.min.js

speedLazyLoad4.min.js

288 ms

1.jpg

1.jpg

37 ms

logo.png

logo.png

166 ms

zhongwenguanwang-640-640.jpg

zhongwenguanwang-640-640.jpg

357 ms

z2-640-640.png

z2-640-640.png

427 ms

z3-640-640.png

z3-640-640.png

345 ms

muluce01-200-200.png

muluce01-200-200.png

179 ms

muluce02-200-200.png

muluce02-200-200.png

196 ms

muluce03-200-200.png

muluce03-200-200.png

736 ms

muluce04-200-200.png

muluce04-200-200.png

366 ms

muluce05-200-200.png

muluce05-200-200.png

337 ms

muluce06-200-200.png

muluce06-200-200.png

509 ms

0-2mlPCRbalianguan-640-640.jpg

0-2mlPCRbalianguan-640-640.jpg

547 ms

15mllixinguan-640-640.jpg

15mllixinguan-640-640.jpg

572 ms

0-36Vxingban-640-640.jpg

0-36Vxingban-640-640.jpg

531 ms

baliancibangtao-640-640.jpg

baliancibangtao-640-640.jpg

682 ms

guijiao-640-640.jpg

guijiao-640-640.jpg

946 ms

guijiao-640-640.jpg

guijiao-640-640.jpg

871 ms

chuyecaoheji-640-640.jpg

chuyecaoheji-640-640.jpg

827 ms

gongsitu1a.jpg

gongsitu1a.jpg

782 ms

gongsitu2a1116.jpg

gongsitu2a1116.jpg

974 ms

gongsitu3a.jpg

gongsitu3a.jpg

1060 ms

chanpin.jpg

chanpin.jpg

1147 ms

zhiliang.jpg

zhiliang.jpg

1068 ms

banner_2465_1386-300-300.jpg

banner_2465_1386-300-300.jpg

1451 ms

tuceng2.png

tuceng2.png

1147 ms

sprites.png

sprites.png

85 ms

1.png

1.png

202 ms

home-icon01.png

home-icon01.png

184 ms

2.png

2.png

149 ms

home-icon2.png

home-icon2.png

153 ms

3.png

3.png

184 ms

home-icon03.png

home-icon03.png

125 ms

fudongbg1227.jpg

fudongbg1227.jpg

316 ms

iconfont.woff

iconfont.woff

960 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

972 ms

icon1.png

icon1.png

285 ms

icon2.png

icon2.png

237 ms

icon3.png

icon3.png

344 ms

push.js

push.js

1469 ms

Accessibility Review

a-gen.com accessibility score

67

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

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

Impact

Issue

High

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

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

a-gen.com 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

High

Browser errors were logged to the console

SEO Factors

a-gen.com SEO score

79

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 A-gen.com 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 A-gen.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

a-gen.com

Open Graph description is not detected on the main page of A Gen. 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: