Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

tenglongdesign.com

上海别墅装修设计公司|专业豪宅别墅装饰装潢_腾龙别墅设计官网

Page Load Speed

34.9 sec in total

First Response

1.6 sec

Resources Loaded

33 sec

Page Rendered

315 ms

About Website

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

上海腾龙别墅设计公司专为别墅业主提供别墅家装定制服务，具备国际化的别墅豪宅设计视野，以人性化角度出发为每位客户定制专属别墅装修设计方案。腾龙服务热线:400-820-9596

Visit tenglongdesign.com

Key Findings

We analyzed Tenglongdesign.com page load time and found that the first response time was 1.6 sec and then it took 33.3 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tenglongdesign.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value22.8 s

0/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.48

18/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

tenglongdesign.com

1570 ms

main.min.css

1013 ms

main.js

1683 ms

logo.png

207 ms

icon-msg.png

197 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 64% of them (27 requests) were addressed to the original Tenglongdesign.com, 10% (4 requests) were made to Lxbjs.baidu.com and 10% (4 requests) were made to Qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Tj.asl.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 142.2 kB (21%)

Content Size

671.2 kB

After Optimization

529.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tenglongdesign.com main page is 671.2 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. 30% of websites need less resources to load. Images take 579.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 23.4 kB

  • Original 31.2 kB
  • After minification 26.2 kB
  • After compression 7.8 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. This page needs HTML code to be minified as it can gain 5.0 kB, which is 16% 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 23.4 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 69.3 kB

  • Original 579.0 kB
  • After minification 509.7 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, Tenglongdesign needs image optimization as it can save up to 69.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 8.4 kB

  • Original 11.0 kB
  • After minification 8.5 kB
  • After compression 2.6 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 8.4 kB or 77% of the original size.

CSS Optimization

-82%

Potential reduce by 41.1 kB

  • Original 50.0 kB
  • After minification 43.3 kB
  • After compression 8.9 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. Tenglongdesign.com needs all CSS files to be minified and compressed as it can save up to 41.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

39

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tenglongdesign. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tenglongdesign.com accessibility score

63

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

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

tenglongdesign.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tenglongdesign.com SEO score

46

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

High

robots.txt is not valid

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

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 Tenglongdesign.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 Tenglongdesign.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 Tenglongdesign. 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: