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name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value25.8 s

0/100

25%

SI (Speed Index)

Value5.2 s

61/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.5 s

12/100

10%

sjsknet.com

1034 ms

basic.css

243 ms

style.css

442 ms

settings.css

446 ms

styles.css

447 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 64% of them (98 requests) were addressed to the original Sjsknet.com, 6% (9 requests) were made to Api0.map.bdimg.com and 5% (7 requests) were made to Api.map.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Api0.map.bdimg.com.

Content Size

2.0 MB

After Optimization

1.4 MB

In fact, the total size of Sjsknet.com main page is 2.0 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 26.5 kB

Original 33.1 kB
After minification 28.9 kB
After compression 6.6 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 26.5 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 143.8 kB

Original 1.5 MB
After minification 1.3 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. Sjsknet images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 228.2 kB

Original 319.4 kB
After minification 296.2 kB
After compression 91.3 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 228.2 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 128.8 kB

Original 152.3 kB
After minification 113.6 kB
After compression 23.5 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. Sjsknet.com needs all CSS files to be minified and compressed as it can save up to 128.8 kB or 85% of the original size.

Requests Now

150

After Optimization

107

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sjsknet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 11 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

High

[lang] attributes do not have a valid value

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>).

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

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

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sjsknet.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Sjsknet.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

sjsknet.com

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

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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

sjsknet.com

basic.css

style.css

settings.css

styles.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

sjsknet.com

basic.css

style.css

settings.css

styles.css

borrar.css

estilos.css

jquery.js

jquery.themepunch.plugins.min.js

jquery.themepunch.revolution.min.js

jquery.themepunch.showbizpro.min.js

jquery.fancybox.pack.js

jquery.isotope.min.js

scripts.js

tel.js

index.js

work.js

jquery.SuperSlide.2.1.1.js

right-nav.js

new.css

reset.css

style.css

jquery.easing.1.3.js

modernizr.custom.11333.js

jyb.js

lrtk.css

51la.js

jquery.nav.js

jquery.scrollTo.js

tel-icooo.png

tel-ico2oo.png

tel-ico3oo.png

logo.png

tel-icoo.png

tel-ico2o.png

tel-ico3o.png

banner-bj4.png

xiaotou1.png

xiaotou2.png

banner-bj.png

banner-logo.png

banner-text1.png

banner-text2.png