Tools & Wizards About Us
dtsteel.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 50

    SEO

    Google-friendlier than
    19% of websites

dtsteel.com

东北特殊钢集团股份有限公司官网

Page Load Speed

3.7 sec in total

First Response

1.4 sec

Resources Loaded

2.2 sec

Page Rendered

85 ms

dtsteel.com screenshot

About Website

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

东北特殊钢集团股份有限公司（简称：东北特钢股份）位于海滨城市大连，坐落于滨城大连，是东北地区面向世界的门户，拥有极其便利水陆运输条件。　　东北特钢股份的前身是大连钢厂，是我国第一家研制生产高速工具钢、银亮钢、铝铬合金、硬质合金的企业，我国第一个精密合金生产基地。公司生产的不锈钢、结构钢、轴承钢、弹簧钢、精密合金等特殊钢材料广泛应用于国防军工、航空航天以及各大工业基础建设领域。为我国“神舟”系列载人...

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Key Findings

We analyzed Dtsteel.com page load time and found that the first response time was 1.4 sec and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dtsteel.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

dtsteel.com

1374 ms

css.css

575 ms

AC_RunActiveContent.js

811 ms

flash_activate.js

558 ms

menu_kor.js

854 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Dtsteel.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Dtsteel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.3 kB (75%)

Content Size

17.8 kB

After Optimization

4.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Dtsteel.com main page is 17.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 9.9 kB which makes up the majority of the site volume.

HTML Optimization

-47%

Potential reduce by 682 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 764 B

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 682 B or 47% of the original size.

JavaScript Optimization

-72%

Potential reduce by 7.2 kB

  • Original 9.9 kB
  • After minification 7.9 kB
  • After compression 2.7 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 7.2 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 5.4 kB

  • Original 6.4 kB
  • After minification 5.2 kB
  • After compression 984 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. Dtsteel.com needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • JavaScript
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dtsteel. According to our analytics all requests are already optimized.

Network Requests Diagram

dtsteel.com

dtsteel.com

1374 ms

css.css

css.css

575 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

811 ms

flash_activate.js

flash_activate.js

558 ms

menu_kor.js

menu_kor.js

854 ms

Accessibility Review

dtsteel.com accessibility score

53

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

dtsteel.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

dtsteel.com SEO score

50

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

High

Document uses plugins

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 Dtsteel.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 Dtsteel.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

dtsteel.com

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