Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

zdm7.com

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Page Load Speed

16.3 sec in total

First Response

1 sec

Resources Loaded

13.8 sec

Page Rendered

1.5 sec

zdm7.com screenshot

About Website

Click here to check amazing Zdm 7 content for China. Otherwise, check out these important facts you probably never knew about zdm7.com

7天天天值得买(zdm7.com)是高性价比网购专家,通过人工甄选出各商城的高性价比商品和促销活动信息,让网友最大限度的节省开支,天天发现什么值得买一周7天值得买。

Visit zdm7.com

Key Findings

We analyzed Zdm7.com page load time and found that the first response time was 1 sec and then it took 15.2 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

zdm7.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value5.9 s

49/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

zdm7.com

1044 ms

www.zdm7.com

731 ms

style.css

633 ms

ftyle.css

624 ms

jquery.js

924 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 40% of them (37 requests) were addressed to the original Zdm7.com, 36% (33 requests) were made to Img.alicdn.com and 4% (4 requests) were made to Gd2.alicdn.com. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source Cnzz.mmstat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 481.6 kB (20%)

Content Size

2.4 MB

After Optimization

2.0 MB

In fact, the total size of Zdm7.com main page is 2.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 180.2 kB

  • Original 203.7 kB
  • After minification 172.2 kB
  • After compression 23.6 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 31.5 kB, which is 15% 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 180.2 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 48.5 kB

  • Original 1.9 MB
  • After minification 1.9 MB

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. Zdm 7 images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 99.7 kB

  • Original 147.5 kB
  • After minification 142.6 kB
  • After compression 47.8 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 99.7 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 153.2 kB

  • Original 182.1 kB
  • After minification 158.8 kB
  • After compression 28.8 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. Zdm7.com needs all CSS files to be minified and compressed as it can save up to 153.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (19%)

Requests Now

88

After Optimization

71

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zdm 7. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zdm7.com accessibility score

60

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

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

zdm7.com 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zdm7.com SEO score

77

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zdm7.com 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 Zdm7.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 Zdm 7. 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: