Tools & Wizards About Us

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

viperallstars.com

Page Load Speed

4.1 sec in total

First Response

999 ms

Resources Loaded

2.6 sec

Page Rendered

486 ms

About Website

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

公司由数十位有着多年展会运作经验的行业精英组成，集展览、会议、行业资讯、电子商务四大业务板块于一体，在积极同各行业协会、政府相关管理部门通力合作与密切交流的同时我们也将精益求精、不断创新，为展商创造更多市场机遇淄博依山泵业科技有限公司的诚信、实力和产品质量获得业界的认可，欢迎各界朋友莅临参观、指导和业务洽谈。公司拥有完整、科学的质量管理体系公司产品广泛应用于煤炭，石油，冶金，电力，化工，建筑等行业

Visit viperallstars.com

Key Findings

We analyzed Viperallstars.com page load time and found that the first response time was 999 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

viperallstars.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.75

6/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

viperallstars.com

999 ms

jquery.min.js

615 ms

animate.min.css

405 ms

owl.carousel.min.css

410 ms

global.css

411 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 38% of them (26 requests) were addressed to the original Viperallstars.com, 62% (42 requests) were made to Cbu01.alicdn.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Viperallstars.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.3 kB (5%)

Content Size

1.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Viperallstars.com main page is 1.4 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 46.3 kB

  • Original 63.0 kB
  • After minification 57.9 kB
  • After compression 16.7 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 46.3 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 3.6 kB

  • Original 1.3 MB
  • After minification 1.3 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. Viperallstars images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 14.6 kB

  • Original 63.4 kB
  • After minification 63.4 kB
  • After compression 48.9 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 14.6 kB or 23% of the original size.

CSS Optimization

-29%

Potential reduce by 4.8 kB

  • Original 16.4 kB
  • After minification 16.4 kB
  • After compression 11.6 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. Viperallstars.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (10%)

Requests Now

63

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viperallstars. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

viperallstars.com accessibility score

43

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.

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

High

[lang] attributes do not have a valid value

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

viperallstars.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

viperallstars.com 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

    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 Viperallstars.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 Viperallstars.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 Viperallstars. 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: