Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

tianlungas.com

天伦燃气 | 欢迎访问河南天伦燃气集团官网

Page Load Speed

23 sec in total

First Response

6.3 sec

Resources Loaded

16.5 sec

Page Rendered

90 ms

tianlungas.com screenshot

About Website

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

河南天伦燃气集团有限公司是一家以城市管道燃气经营为主体的公用事业上市企业。集团创立于2002年,是国内较早从事城市燃气业务的民营企业之一,集团的主营业务涵盖:城市燃气运营、乡镇燃气运营、长输管线及工业直供业务、加气站、LNG工厂业务。创始人张瀛岑先生,现任中国天伦燃气控股有限公司董事局主席,第十一届、第十二届全国人大代表,同时还担任中国象棋协会副主席、河南省慈善总会副会长。

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Key Findings

We analyzed Tianlungas.com page load time and found that the first response time was 6.3 sec and then it took 16.6 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

tianlungas.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.119

84/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

tianlungas.com

6329 ms

public.css

489 ms

index.css

532 ms

AC_RunActiveContent.js

772 ms

jquery-1.6.js

2661 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 46% of them (6 requests) were addressed to the original Tianlungas.com, 8% (1 request) were made to Hq.sinajs.cn and 8% (1 request) were made to S17.cnzz.com. The less responsive or slowest element that took the longest time to load (7.8 sec) belongs to the original domain Tianlungas.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 218.5 kB (76%)

Content Size

286.0 kB

After Optimization

67.5 kB

In fact, the total size of Tianlungas.com main page is 286.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 251.7 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 3.8 kB

  • Original 6.0 kB
  • After minification 5.9 kB
  • After compression 2.3 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 3.8 kB or 62% of the original size.

Image Optimization

-20%

Potential reduce by 5.4 kB

  • Original 27.3 kB
  • After minification 21.9 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, Tianlungas needs image optimization as it can save up to 5.4 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 208.7 kB

  • Original 251.7 kB
  • After minification 148.8 kB
  • After compression 42.9 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 208.7 kB or 83% of the original size.

CSS Optimization

-58%

Potential reduce by 597 B

  • Original 1.0 kB
  • After minification 795 B
  • After compression 441 B

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. Tianlungas.com needs all CSS files to be minified and compressed as it can save up to 597 B or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (40%)

Requests Now

10

After Optimization

6

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tianlungas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tianlungas.com accessibility score

71

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

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

tianlungas.com best practices score

75

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

Page has valid source maps

SEO Factors

tianlungas.com SEO score

82

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

    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 Tianlungas.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 Tianlungas.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 Tianlungas. 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: