Access everfine.cn. 杭州远方光电信息股份有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.169

70/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

everfine.cn

4716 ms

css2.css

1590 ms

amazon_scroller.css

2735 ms

js.js

1095 ms

jquery.js

5400 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 89% of them (47 requests) were addressed to the original Everfine.cn, 2% (1 request) were made to S24.cnzz.com and 2% (1 request) were made to Zjnet.zjaic.gov.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Everfine.cn.

Content Size

218.2 kB

After Optimization

85.3 kB

In fact, the total size of Everfine.cn main page is 218.2 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 10% of websites need less resources to load. Javascripts take 121.2 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 28.9 kB

Original 49.5 kB
After minification 45.1 kB
After compression 20.5 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. 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 28.9 kB or 58% of the original size.

Image Optimization

-30%

Potential reduce by 9.1 kB

Original 30.7 kB
After minification 21.5 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, Everfine needs image optimization as it can save up to 9.1 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 81.4 kB

Original 121.2 kB
After minification 114.3 kB
After compression 39.8 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 81.4 kB or 67% of the original size.

CSS Optimization

-79%

Potential reduce by 13.4 kB

Original 16.9 kB
After minification 15.2 kB
After compression 3.5 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. Everfine.cn needs all CSS files to be minified and compressed as it can save up to 13.4 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Everfine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 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 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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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 Everfine.cn 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 Everfine.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

everfine.cn

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

杭州远方光电信息股份有限公司

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

everfine.cn

css2.css

amazon_scroller.css

js.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

everfine.cn

css2.css

amazon_scroller.css

js.js

jquery.js

changimages1.js

jquery-1.10.2.min.js

jquery-1.10.2s.min.js

imgmove.js

stat.php

3300000000022456.js

000.jpg

close.png

logo.jpg

gq.gif

test_1.jpg

test_4.jpg

banner1.png

index-add001.jpg

index-007.png

index-add002.jpg

20120401014858.jpg

20140327105127.jpg

20130424155143.jpg

20130718095805.jpg

20120621095457.jpg

20120418063056.jpg

20120326054522.jpg

index-add003.jpg

index-011.jpg

tj_aaa1.jpg

tj_aaa3.jpg

tj_aaa4.jpg

tj_aaa6.png

tj_aaa7.jpg

index-001.jpg

index-002.png

nav-gb.jpg

nav002.jpg

nav004.png

index-004.jpg

test_2.jpg

qs_01.jpg