Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

ranqibiao.cn

燃气表网 | 中国计量协会 | 燃气表工作委员会

Page Load Speed

14.3 sec in total

First Response

3.3 sec

Resources Loaded

10.7 sec

Page Rendered

307 ms

ranqibiao.cn screenshot

About Website

Visit ranqibiao.cn now to see the best up-to-date Ranqibiao content and also check out these interesting facts you probably never knew about ranqibiao.cn

燃气表网 | 中国计量协会 | 燃气表工作委员会-燃气表网是中国计量协会燃气表工作委员会(以下简称“工作委员会”)打造的行业信息平台,是中国计量协会的分支机构,由全国燃气表生产企业、配套企业、计量检测机构等单位组成,代表全国燃气表行业意志,经国家质检总局批准成立。

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Key Findings

We analyzed Ranqibiao.cn page load time and found that the first response time was 3.3 sec and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ranqibiao.cn performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value30.0 s

0/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.483

17/100

15%

TTI (Time to Interactive)

Value13.3 s

11/100

10%

Network Requests Diagram

ranqibiao.cn

3314 ms

style.css

1470 ms

jquery183.js

2927 ms

slide.js

1867 ms

float_ad.js

729 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Ranqibiao.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Ranqibiao.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.5 kB (62%)

Content Size

219.9 kB

After Optimization

83.4 kB

In fact, the total size of Ranqibiao.cn main page is 219.9 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. 15% of websites need less resources to load. Javascripts take 105.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 26.2 kB

  • Original 34.1 kB
  • After minification 32.0 kB
  • After compression 7.9 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 26.2 kB or 77% of the original size.

Image Optimization

-26%

Potential reduce by 10.9 kB

  • Original 42.3 kB
  • After minification 31.4 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, Ranqibiao needs image optimization as it can save up to 10.9 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 68.1 kB

  • Original 105.7 kB
  • After minification 105.5 kB
  • After compression 37.5 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 68.1 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 31.2 kB

  • Original 37.8 kB
  • After minification 32.7 kB
  • After compression 6.6 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. Ranqibiao.cn needs all CSS files to be minified and compressed as it can save up to 31.2 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

31

After Optimization

31

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ranqibiao. According to our analytics all requests are already optimized.

Accessibility Review

ranqibiao.cn accessibility score

72

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

ranqibiao.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

ranqibiao.cn 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 Ranqibiao.cn 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 Ranqibiao.cn 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 Ranqibiao. 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: