Access bohan-it.com. 上海伯汉信息技术有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value21.4 s

0/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

bohan-it.com

621 ms

bohan-it.com

1352 ms

swiper.css

237 ms

public.css

1344 ms

index.css

1307 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 97% of them (64 requests) were addressed to the original Bohan-it.com, 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.6 sec) belongs to the original domain Bohan-it.com.

Content Size

1.1 MB

After Optimization

826.4 kB

In fact, the total size of Bohan-it.com main page is 1.1 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. 35% of websites need less resources to load. Images take 833.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 88.0 kB

Original 114.2 kB
After minification 104.0 kB
After compression 26.2 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 88.0 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 134.3 kB

Original 833.8 kB
After minification 699.5 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, Bohan It needs image optimization as it can save up to 134.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 9.6 kB

Original 92.2 kB
After minification 92.2 kB
After compression 82.6 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

-75%

Potential reduce by 55.7 kB

Original 73.8 kB
After minification 68.1 kB
After compression 18.2 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. Bohan-it.com needs all CSS files to be minified and compressed as it can save up to 55.7 kB or 75% of the original size.

Requests Now

After Optimization

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bohan It. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 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 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

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

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

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 Bohan-it.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 Bohan-it.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

bohan-it.com

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

上海伯汉信息技术有限公司

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

bohan-it.com

bohan-it.com

swiper.css

public.css

index.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

bohan-it.com

bohan-it.com

swiper.css

public.css

index.css

jquery-min.js

ScrollPic.js

iconfont.css

iconfont.js

search_bh.js

swiper.js

logo.jpg

sousuo.svg

userLogin.png

emailLogin.png

angetLogin.png

yuyan.png

menuR.png

user.svg

fenlei.svg

sDp.png

bannerR1.png

bannerR3.png

bannerR2.png

bannerR16.png

bannerR16H5.png

newsList-arrow.svg

qyyx.png

xnzz.png

fwqxg.png

yfwqxg.png

jr_r.png

dbjjfa.png

wzaqjjfa.png

sllzs.png

yxszqm.png

wydzkf.svg

qyglxtdzkf.svg

ydyykf.svg

tm.png

jd.png

xhs.png

pdd.png