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name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value25.4 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value4,200 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

xastsw.com

369 ms

www.xastsw.com

224 ms

bootstrap.css

130 ms

style.css

128 ms

swiper.min.css

126 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 94% of them (65 requests) were addressed to the original Xastsw.com, 3% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to 635606.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source 635606.com.

Content Size

13.3 MB

After Optimization

12.3 MB

In fact, the total size of Xastsw.com main page is 13.3 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. Only a small number of websites need less resources to load. Images take 12.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 86.5 kB

Original 100.6 kB
After minification 66.1 kB
After compression 14.1 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 34.5 kB, which is 34% 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 86.5 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 583.6 kB

Original 12.5 MB
After minification 11.9 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. Xastsw images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 319.5 kB

Original 722.5 kB
After minification 719.3 kB
After compression 403.0 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 319.5 kB or 44% of the original size.

CSS Optimization

-23%

Potential reduce by 17.4 kB

Original 76.2 kB
After minification 76.1 kB
After compression 58.8 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. Xastsw.com needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xastsw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

High

Displays images with incorrect aspect ratio

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

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xastsw.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Xastsw.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

xastsw.com

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

xastsw.com

www.xastsw.com

bootstrap.css

style.css

swiper.min.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

xastsw.com

www.xastsw.com

bootstrap.css

style.css

swiper.min.css

mob-style.css

jquery.min.js

swiper.min.js

bootstrap.min.js

sitegray_d.css

sitegray.js

index.vsb.css

counter.js

base.js

base64.js

jquery-latest.min.js

vue.js

bluebird.min.js

axios.js

polyfill.js

token.js

index.css

index.js

public.js

dynclicks.js

centerCutImg.js

ajax.js

js.js

jump.js

tougao.jpg

bg.png

logo.jpg

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