Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

zjtt.cn

天台之窗-天台山

Page Load Speed

74.1 sec in total

First Response

5.5 sec

Resources Loaded

67.3 sec

Page Rendered

1.3 sec

zjtt.cn screenshot

About Website

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

天台之窗,天台山,天台新闻,天台房产网,天台人才网,天台交友网,天台信息网,天台商业网

Visit zjtt.cn

Key Findings

We analyzed Zjtt.cn page load time and found that the first response time was 5.5 sec and then it took 68.6 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 35 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zjtt.cn performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

zjtt.cn

5515 ms

style_12_common.css

15827 ms

style_12_portal_index.css

3975 ms

common.js

11991 ms

portal.js

6367 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 89% of them (102 requests) were addressed to the original Zjtt.cn, 4% (5 requests) were made to House.zjtt.cn and 2% (2 requests) were made to Ttrcw.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Zjtt.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 441.9 kB (51%)

Content Size

874.8 kB

After Optimization

433.0 kB

In fact, the total size of Zjtt.cn main page is 874.8 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 395.2 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 139.6 kB

  • Original 158.7 kB
  • After minification 117.7 kB
  • After compression 19.1 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. This page needs HTML code to be minified as it can gain 41.0 kB, which is 26% 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 139.6 kB or 88% of the original size.

Image Optimization

-14%

Potential reduce by 53.5 kB

  • Original 395.2 kB
  • After minification 341.7 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, Zjtt needs image optimization as it can save up to 53.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 109.4 kB

  • Original 155.3 kB
  • After minification 141.8 kB
  • After compression 45.8 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 109.4 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 139.3 kB

  • Original 165.7 kB
  • After minification 161.5 kB
  • After compression 26.4 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. Zjtt.cn needs all CSS files to be minified and compressed as it can save up to 139.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (19%)

Requests Now

78

After Optimization

63

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zjtt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zjtt.cn accessibility score

39

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

[id] attributes on active, focusable elements are not unique

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>).

High

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

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

zjtt.cn 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

zjtt.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

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zjtt.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 Zjtt.cn main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Zjtt. 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: