Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

trinea.cn

Author of the Dev Tools App, Focus on Android, Java, Open Source, Performance Optimization

Page Load Speed

6.6 sec in total

First Response

613 ms

Resources Loaded

5.8 sec

Page Rendered

260 ms

trinea.cn screenshot

About Website

Welcome to trinea.cn homepage info - get ready to check Trinea best content for China right away, or after learning these important things about trinea.cn

Author of the Dev Tools App, https://coolapk.com/apk/cn.trinea.android.developertools

Visit trinea.cn

Key Findings

We analyzed Trinea.cn page load time and found that the first response time was 613 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

trinea.cn performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,620 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.339

33/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

trinea.cn

613 ms

www.trinea.cn

1396 ms

234 ms

adsbygoogle.js

228 ms

697 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 32% of them (22 requests) were addressed to the original Trinea.cn, 16% (11 requests) were made to Googleads.g.doubleclick.net and 13% (9 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Trinea.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.8 kB (36%)

Content Size

252.5 kB

After Optimization

160.7 kB

In fact, the total size of Trinea.cn main page is 252.5 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. 45% of websites need less resources to load. Javascripts take 136.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 71.5 kB

  • Original 85.5 kB
  • After minification 81.0 kB
  • After compression 14.1 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 71.5 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 37 B

  • Original 30.6 kB
  • After minification 30.5 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. Trinea images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 20.4 kB

  • Original 136.4 kB
  • After minification 136.4 kB
  • After compression 116.1 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 20.4 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (58%)

Requests Now

59

After Optimization

25

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trinea. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

trinea.cn accessibility score

88

Accessibility Issues

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

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

Best Practices

trinea.cn 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

trinea.cn SEO score

90

Search Engine Optimization Advices

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trinea.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Trinea.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 data is detected on the main page of Trinea. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: