Tools & Wizards About Us
ddff.cc screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

ddff.cc

www.ddff.cc-官网首页

Page Load Speed

1.9 sec in total

First Response

391 ms

Resources Loaded

1.3 sec

Page Rendered

184 ms

ddff.cc screenshot

About Website

Click here to check amazing Ddff content. Otherwise, check out these important facts you probably never knew about ddff.cc

ddff.cc

Visit ddff.cc

Key Findings

We analyzed Ddff.cc page load time and found that the first response time was 391 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ddff.cc performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.5

16/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

index.html

391 ms

style.css

388 ms

logo.jpg

465 ms

1109441029-0-lp.jpg

401 ms

1-15092QH611340-lp.jpg

401 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Ddff.cc and no external sources were called. The less responsive or slowest element that took the longest time to load (465 ms) belongs to the original domain Ddff.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.5 kB (25%)

Content Size

144.3 kB

After Optimization

108.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Ddff.cc main page is 144.3 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. Only 10% of websites need less resources to load. Images take 110.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 13.2 kB

  • Original 17.4 kB
  • After minification 15.7 kB
  • After compression 4.1 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 13.2 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 8.7 kB

  • Original 110.3 kB
  • After minification 101.6 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. Ddff images are well optimized though.

CSS Optimization

-82%

Potential reduce by 13.6 kB

  • Original 16.6 kB
  • After minification 13.5 kB
  • After compression 3.0 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. Ddff.cc needs all CSS files to be minified and compressed as it can save up to 13.6 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ddff. According to our analytics all requests are already optimized.

Network Requests Diagram

index.html

index.html

391 ms

style.css

style.css

388 ms

logo.jpg

logo.jpg

465 ms

1109441029-0-lp.jpg

1109441029-0-lp.jpg

401 ms

1-15092QH611340-lp.jpg

1-15092QH611340-lp.jpg

401 ms

1-15092QH50R20-lp.jpg

1-15092QH50R20-lp.jpg

275 ms

pic1_mubanzhijia_com.gif

pic1_mubanzhijia_com.gif

67 ms

pic2_mubanzhijia_com.gif

pic2_mubanzhijia_com.gif

66 ms

1-15092QH203149-lp.jpg

1-15092QH203149-lp.jpg

73 ms

1-15092QGJCO-lp.jpg

1-15092QGJCO-lp.jpg

136 ms

1-15092QG91N96-lp.jpg

1-15092QG91N96-lp.jpg

133 ms

1-15092QG63QR-lp.jpg

1-15092QG63QR-lp.jpg

112 ms

1-15092QG555429-lp.jpg

1-15092QG555429-lp.jpg

129 ms

Accessibility Review

ddff.cc accessibility score

64

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

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

ddff.cc 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

SEO Factors

ddff.cc SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ddff.cc can be misinterpreted by Google and other search engines. Our service has detected that English 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 Ddff.cc 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

ddff.cc

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