Access wzysfm.com. 视镜_叶轮视镜-中国·永视阀门有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.159

73/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

wzysfm.com

542 ms

www.wzysfm.com

671 ms

jquery-3.4.1.min.js

359 ms

font_1368463_iaxup2u88vi.css

9 ms

animate_y.css

433 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 89% of them (62 requests) were addressed to the original Wzysfm.com, 3% (2 requests) were made to At.alicdn.com and 3% (2 requests) were made to Lian.zj11.net. The less responsive or slowest element that took the longest time to load (10.7 sec) belongs to the original domain Wzysfm.com.

Content Size

6.3 MB

After Optimization

6.0 MB

In fact, the total size of Wzysfm.com main page is 6.3 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. 50% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 165.3 kB

Original 266.5 kB
After minification 261.2 kB
After compression 101.2 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 165.3 kB or 62% of the original size.

Image Optimization

-1%

Potential reduce by 39.5 kB

Original 5.7 MB
After minification 5.6 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. Wzysfm images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 51.9 kB

Original 272.0 kB
After minification 271.7 kB
After compression 220.1 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 51.9 kB or 19% of the original size.

CSS Optimization

-31%

Potential reduce by 39.7 kB

Original 129.0 kB
After minification 129.0 kB
After compression 89.3 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. Wzysfm.com needs all CSS files to be minified and compressed as it can save up to 39.7 kB or 31% of the original size.

Requests Now

After Optimization

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wzysfm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

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 Wzysfm.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 Wzysfm.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

wzysfm.com

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

视镜_叶轮视镜-中国·永视阀门有限公司

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

wzysfm.com

www.wzysfm.com

jquery-3.4.1.min.js

font_1368463_iaxup2u88vi.css

animate_y.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

wzysfm.com

www.wzysfm.com

jquery-3.4.1.min.js

font_1368463_iaxup2u88vi.css

animate_y.css

bootstrap.min_flex_y.css

bootsnav.css

response_y.css

font_1368463_iaxup2u88vi.js

swiper.min.css

swiper.min.js

bootstrap.css

bootstrap.js

style.css

wow.min.js

bootstrap.min.js

bootsnav.js

fastclick.js

iscroll.js

response_y.js

lian.zj11.net

lian.zj11.net

logo.jpg

top_dh.jpg

nav_li.jpg

logo_m.jpg

174819948258.jpg

174820179005.jpg

sousuo_index.jpg

151607658558.jpg

151556267508.jpg

151526207537.jpg

151500008326.jpg

151400180573.jpg

101530122015.jpg

101505379484.jpg

165351687548.jpg

165245699045.jpg

142721435934.png

165208745480.jpg

165105600522.jpg

143013018420.png

135035625988.png