Tools & Wizards About Us
zpvac.com screenshot

Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

zpvac.com

广州中普真空技术有限公司_动漫_房产_财经_星座_美食_游戏_历史_健康_数码_科技_军事_娱乐_汽车_热点新闻_艺术_文化_时尚_教育_体育_旅游

Page Load Speed

46.4 sec in total

First Response

10.5 sec

Resources Loaded

34.7 sec

Page Rendered

1.3 sec

zpvac.com screenshot

About Website

Visit zpvac.com now to see the best up-to-date Zpvac content and also check out these interesting facts you probably never knew about zpvac.com

广州中普真空技术有限公司专业为您打造最新动漫,房产,财经,星座,美食,游戏,历史,健康,数码,科技,军事,娱乐,汽车,热点新闻,艺术,文化,时尚,教育,体育,旅游平台网站公司成立来，坚持以客户需求为导向，始终将品质可靠,技术领先作为核心竞争力去打造，高度重视并且持续加研发投入，使公司在同行业中始终保持技术领先地位。

Visit zpvac.com

Key Findings

We analyzed Zpvac.com page load time and found that the first response time was 10.5 sec and then it took 35.9 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. Unfortunately, there were 17 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zpvac.com performance score

0

Network Requests Diagram

zpvac.com

10455 ms

css.css

1409 ms

qq.js

1136 ms

jquery-1.4.2.js

20336 ms

menu.js

1707 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Zpvac.com and no external sources were called. The less responsive or slowest element that took the longest time to load (20.9 sec) belongs to the original domain Zpvac.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.4 kB (42%)

Content Size

89.3 kB

After Optimization

51.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zpvac.com main page is 89.3 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. Only 10% of websites need less resources to load. Images take 58.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 14.4 kB

  • Original 16.8 kB
  • After minification 12.5 kB
  • After compression 2.4 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 4.3 kB, which is 25% 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 14.4 kB or 86% of the original size.

Image Optimization

-22%

Potential reduce by 12.8 kB

  • Original 58.5 kB
  • After minification 45.7 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, Zpvac needs image optimization as it can save up to 12.8 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 3.2 kB

  • Original 4.6 kB
  • After minification 3.3 kB
  • After compression 1.4 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 3.2 kB or 69% of the original size.

CSS Optimization

-74%

Potential reduce by 7.0 kB

  • Original 9.4 kB
  • After minification 8.2 kB
  • After compression 2.4 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. Zpvac.com needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (21%)

Requests Now

14

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zpvac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zpvac.com

zpvac.com

10455 ms

css.css

css.css

1409 ms

qq.js

qq.js

1136 ms

jquery-1.4.2.js

jquery-1.4.2.js

20336 ms

menu.js

menu.js

1707 ms

zhongwen.jpg

zhongwen.jpg

3797 ms

zmail.jpg

zmail.jpg

19823 ms

english.jpg

english.jpg

19824 ms

cssjs.css

cssjs.css

648 ms

lrtk.js

lrtk.js

3306 ms

search_submit.gif

search_submit.gif

1116 ms

201601311054490.jpg

201601311054490.jpg

19607 ms

201601311055490.jpg

201601311055490.jpg

19606 ms

201602011228120.jpg

201602011228120.jpg

19707 ms

201601311058040.jpg

201601311058040.jpg

19710 ms

201601200354090.jpg

201601200354090.jpg

19709 ms

thumb_201601290157510_191_126.jpg

thumb_201601290157510_191_126.jpg

20117 ms

thumb_201601291153540_191_126.jpg

thumb_201601291153540_191_126.jpg

20117 ms

thumb_201601291141180_191_126.jpg

thumb_201601291141180_191_126.jpg

20117 ms

thumb_201601291111140_191_126.jpg

thumb_201601291111140_191_126.jpg

20117 ms

thumb_201601291055310_191_126.jpg

thumb_201601291055310_191_126.jpg

20117 ms

thumb_201601291040500_191_126.jpg

thumb_201601291040500_191_126.jpg

20117 ms

thumb_201601291033060_191_126.jpg

thumb_201601291033060_191_126.jpg

20118 ms

product.js

product.js

19757 ms

thumb_201601290957350_191_126.jpg

thumb_201601290957350_191_126.jpg

19729 ms

thumb_201601290941090_191_126.jpg

thumb_201601290941090_191_126.jpg

20874 ms

thumb_201601280432490_191_126.jpg

thumb_201601280432490_191_126.jpg

20873 ms

l.png

l.png

8197 ms

r.png

r.png

11964 ms

tit1.png

tit1.png

12642 ms

tit2.png

tit2.png

12022 ms

tit3.png

tit3.png

11964 ms

Accessibility Review

zpvac.com accessibility score

45

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

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

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

zpvac.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zpvac.com SEO score

100

Search Engine Optimization Advices

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 Zpvac.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 Zpvac.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

zpvac.com

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