Access aierchina.com. 爱尔眼科

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value46.7 s

0/100

25%

SI (Speed Index)

Value20.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value27.6 s

0/100

10%

aierchina.com

852 ms

bootstrap.css

644 ms

style.css

797 ms

swiper.css

395 ms

dark.css

492 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 97% of them (105 requests) were addressed to the original Aierchina.com, 2% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to Fonts.googlefonts.cn. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Aierchina.com.

Content Size

11.0 MB

After Optimization

10.0 MB

In fact, the total size of Aierchina.com main page is 11.0 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. 40% of websites need less resources to load. Images take 10.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 68.3 kB

Original 86.5 kB
After minification 86.4 kB
After compression 18.2 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. 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 68.3 kB or 79% of the original size.

Image Optimization

-9%

Potential reduce by 993.3 kB

Original 10.5 MB
After minification 9.5 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. Aierchina images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.1 kB

Original 313.2 kB
After minification 313.2 kB
After compression 310.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 15.9 kB

Original 171.3 kB
After minification 171.3 kB
After compression 155.5 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. Aierchina.com has all CSS files already compressed.

Requests Now

102

After Optimization

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aierchina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

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

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aierchina.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 Aierchina.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

aierchina.com

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

爱尔眼科

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

aierchina.com

bootstrap.css

style.css

swiper.css

dark.css

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

aierchina.com

bootstrap.css

style.css

swiper.css

dark.css

font-icons.css

font-awesome.min.css

icofont.css

animate.css

magnific-popup.css

bootstrap-icons.css

custom.css

css

logo.png

logo@2x.png

building.jpg

di55.png

di56.png

di57.png

di58.png

di59.png

di61.png

di60.png

di62.png

di63.png

di64.png

di106.png

di107.png

di108.png

di105.png

f1317ac524b66b7.jpg

54adbb78cbc7480.jpg

52c27ccb4e5b3a4.jpg

0f14c3680b192.jpg

9fe3e3177484e87.jpg

404b85e81bbceda.jpg

lianxi.jpg

e11.png

jquery.js

cms.js

plugins.min.js

jquery.hotspot.js

wow.min.js