Tools & Wizards About Us
dtrc.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

dtrc.com

鹤岗废品回收|鹤岗旧货回收|鹤岗二手回收-鹤岗二手回收网

Page Load Speed

17 sec in total

First Response

1.9 sec

Resources Loaded

14.9 sec

Page Rendered

92 ms

dtrc.com screenshot

About Website

Visit dtrc.com now to see the best up-to-date Dtrc content and also check out these interesting facts you probably never knew about dtrc.com

鹤岗二手回收网免费信息查阅平台。鹤岗二手回收网每天都有大量专业、真实的优秀商家提供鹤岗废品回收,鹤岗旧货回收,鹤岗二手回收,鹤岗二手回收信息大家选择，同时您可以免费查鹤岗二手回收信息。-dtrc.com

Visit dtrc.com

Key Findings

We analyzed Dtrc.com page load time and found that the first response time was 1.9 sec and then it took 15 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

dtrc.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

dtrc.com

1931 ms

main.css

50 ms

sale.gif

86 ms

show_ads.js

6 ms

co.gif

69 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 33% of them (6 requests) were addressed to the original Dtrc.com, 22% (4 requests) were made to Pagead2.googlesyndication.com and 17% (3 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (13 sec) relates to the external source Js.users.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.0 kB (43%)

Content Size

39.4 kB

After Optimization

22.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Dtrc.com main page is 39.4 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. 25% of websites need less resources to load. Javascripts take 27.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.9 kB

  • Original 10.8 kB
  • After minification 9.5 kB
  • After compression 2.9 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 1.3 kB, which is 12% 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 7.9 kB or 73% of the original size.

JavaScript Optimization

-30%

Potential reduce by 8.1 kB

  • Original 27.2 kB
  • After minification 27.0 kB
  • After compression 19.0 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 8.1 kB or 30% of the original size.

CSS Optimization

-73%

Potential reduce by 1.0 kB

  • Original 1.4 kB
  • After minification 1.1 kB
  • After compression 374 B

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. Dtrc.com needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (40%)

Requests Now

15

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dtrc. 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 as a result speed up the page load time.

Network Requests Diagram

dtrc.com

dtrc.com

1931 ms

main.css

main.css

50 ms

sale.gif

sale.gif

86 ms

show_ads.js

show_ads.js

6 ms

co.gif

co.gif

69 ms

stat.php

stat.php

2311 ms

23657.js

23657.js

12996 ms

ca-pub-2871432638819059.js

ca-pub-2871432638819059.js

45 ms

zrt_lookup.html

zrt_lookup.html

127 ms

show_ads_impl.js

show_ads_impl.js

52 ms

white.gif

white.gif

37 ms

domain.gif

domain.gif

160 ms

ads

ads

30 ms

osd.js

osd.js

16 ms

ads

ads

48 ms

stat.htm

stat.htm

156 ms

core.php

core.php

1481 ms

pic.gif

pic.gif

1111 ms

Accessibility Review

dtrc.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

dtrc.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

dtrc.com SEO score

67

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dtrc.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 Dtrc.com main page’s claimed encoding is gb2312. 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

dtrc.com

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