Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

ztmm.net

混合器厂家_管线混合器_管路混合器-南通中特冶金石化机械有限公司

Page Load Speed

20 sec in total

First Response

2.9 sec

Resources Loaded

17 sec

Page Rendered

183 ms

ztmm.net screenshot

About Website

Click here to check amazing Ztmm content. Otherwise, check out these important facts you probably never knew about ztmm.net

南通中特冶金石化机械有限公司主营产品有管线混合器、管路混合器、动、静态混合设备、管道过滤设备、精细过滤设备、换热设备、消声设备、介质采样设备、安全防护设备、特种小型设备等九大类50多系列千余种规格新技能产品。

Visit ztmm.net

Key Findings

We analyzed Ztmm.net page load time and found that the first response time was 2.9 sec and then it took 17.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

ztmm.net performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.318

36/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

ztmm.net

2881 ms

www.ztmm.net

6154 ms

lib.min.css

384 ms

page_index.min.css

701 ms

jquery.js

1153 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Ztmm.net, 4% (1 request) were made to Ztouch2.gather.shushang-z.cn and 4% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (6.2 sec) belongs to the original domain Ztmm.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.1 kB (71%)

Content Size

232.6 kB

After Optimization

68.5 kB

In fact, the total size of Ztmm.net main page is 232.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 128.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 15.9 kB

  • Original 20.0 kB
  • After minification 17.2 kB
  • After compression 4.1 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 2.8 kB, which is 14% 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 15.9 kB or 79% of the original size.

Image Optimization

-17%

Potential reduce by 3.7 kB

  • Original 22.1 kB
  • After minification 18.5 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, Ztmm needs image optimization as it can save up to 3.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 89.8 kB

  • Original 128.4 kB
  • After minification 112.3 kB
  • After compression 38.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 89.8 kB or 70% of the original size.

CSS Optimization

-88%

Potential reduce by 54.8 kB

  • Original 62.0 kB
  • After minification 62.0 kB
  • After compression 7.2 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. Ztmm.net needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (46%)

Requests Now

26

After Optimization

14

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ztmm. 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 as a result speed up the page load time.

Accessibility Review

ztmm.net accessibility score

43

Accessibility Issues

Names and labels

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.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ztmm.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ztmm.net SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Ztmm.net 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 Ztmm.net 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

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