Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

Page Load Speed

86.6 sec in total

First Response

18.6 sec

Resources Loaded

67.6 sec

Page Rendered

427 ms

pvc1999.com screenshot

About Website

Welcome to pvc1999.com homepage info - get ready to check Pvc 1999 best content right away, or after learning these important things about pvc1999.com

泓泰传奇PVC板商城是北京最具实力的PVC发泡板厂家,其批发的PVC板,PVC发泡板销往全国各地,PVC板,PVC发泡板质量一流.400-090-1999

Visit pvc1999.com

Key Findings

We analyzed Pvc1999.com page load time and found that the first response time was 18.6 sec and then it took 68 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 16 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

pvc1999.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value88.2 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value48.9 s

0/100

10%

Network Requests Diagram

pvc1999.com

18551 ms

common.css

1136 ms

base.js

2299 ms

common.js

1914 ms

form.js

9035 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 85% of them (91 requests) were addressed to the original Pvc1999.com, 5% (5 requests) were made to Skin.54kefu.net and 5% (5 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Pvc1999.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.5 kB (45%)

Content Size

198.1 kB

After Optimization

108.7 kB

In fact, the total size of Pvc1999.com main page is 198.1 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. 20% of websites need less resources to load. Images take 94.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 61.3 kB

  • Original 70.1 kB
  • After minification 67.8 kB
  • After compression 8.8 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 61.3 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 3.7 kB

  • Original 94.2 kB
  • After minification 90.5 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. Pvc 1999 images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 14.0 kB

  • Original 18.4 kB
  • After minification 14.1 kB
  • After compression 4.4 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 14.0 kB or 76% of the original size.

CSS Optimization

-68%

Potential reduce by 10.5 kB

  • Original 15.4 kB
  • After minification 12.9 kB
  • After compression 4.9 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. Pvc1999.com needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 68% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (43%)

Requests Now

90

After Optimization

51

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pvc 1999. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

pvc1999.com accessibility score

53

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Definition list items are not wrapped in <dl> elements

High

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

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

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

pvc1999.com best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

pvc1999.com SEO score

81

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pvc1999.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 Pvc1999.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

Open Graph description is not detected on the main page of Pvc 1999. 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: