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32

Performance

Renders faster than
52% of other websites
75

Accessibility

Visual factors better than
that of 42% of websites
58

Best Practices

More advanced features
available than in
19% of websites
58

SEO

Google-friendlier than
20% of websites

First Response

3.4 sec

Resources Loaded

27.3 sec

Page Rendered

234 ms

snjtss.com screenshot

About Website

Welcome to snjtss.com homepage info - get ready to check Snjtss best content right away, or after learning these important things about snjtss.com

上海深南交通设施有限公司_中国最专业的交通设施(交通器材)一站式服务提供商_交通设施_深南交通设施厂_上海最好的交通设施厂_最全面的交通设施生产厂(交通设施生产基地)_道路交通安全设施厂家。

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Key Findings

We analyzed Snjtss.com page load time and found that the first response time was 3.4 sec and then it took 27.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

snjtss.com

3419 ms

ys.css

894 ms

assets.1688.com

2079 ms

lib.js

7569 ms

assets.1688.com

20206 ms

Our browser made a total of 169 requests to load all elements on the main page. We found that 75% of them (126 requests) were addressed to the original Snjtss.com, 10% (17 requests) were made to Qiao.baidu.com and 3% (5 requests) were made to P4.qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Assets.1688.com.

Content Size

1.4 MB

After Optimization

921.5 kB

In fact, the total size of Snjtss.com main page is 1.4 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. 30% of websites need less resources to load. Images take 840.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 81.8 kB

Original 97.5 kB
After minification 88.6 kB
After compression 15.7 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 81.8 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 46.0 kB

Original 840.3 kB
After minification 794.3 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. Snjtss images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 198.4 kB

Original 287.4 kB
After minification 270.5 kB
After compression 89.0 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 198.4 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 143.1 kB

Original 165.7 kB
After minification 144.6 kB
After compression 22.6 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. Snjtss.com needs all CSS files to be minified and compressed as it can save up to 143.1 kB or 86% of the original size.

Requests Now

168

After Optimization

137

The browser has sent 168 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Snjtss. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role] values are not valid

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

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

Browser errors were logged to the console

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

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Snjtss.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 Snjtss.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

snjtss.com

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