Tools & Wizards About Us
dtechav.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

dtechav.com

China HDMI Extender, hdmi splitter/hdmi converter, hdmi cable/hdmi fiber cable, hdmi switcher/hdmi matrix, hdmi extender, RS232 converter Manufacturer...

Page Load Speed

5.7 sec in total

First Response

878 ms

Resources Loaded

4.2 sec

Page Rendered

570 ms

dtechav.com screenshot

About Website

Click here to check amazing Dtechav content. Otherwise, check out these important facts you probably never knew about dtechav.com

China HDMI Extender, hdmi splitter/hdmi converter, hdmi cable/hdmi fiber cable, hdmi switcher/hdmi matrix, hdmi extender, RS232 converter manufacturers and suppliers, over the years, we have establish...

Visit dtechav.com

Key Findings

We analyzed Dtechav.com page load time and found that the first response time was 878 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dtechav.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.104

89/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

www.dtechav.com

878 ms

animate.min.css

821 ms

mod.min.js

97 ms

comm.min.js

436 ms

js

139 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Dtechav.com, 45% (25 requests) were made to Icdn.tradew.com and 15% (8 requests) were made to Jcdn.tradew.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Icdn.tradew.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 342.5 kB (12%)

Content Size

2.8 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dtechav.com main page is 2.8 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. 60% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 227.5 kB

  • Original 296.1 kB
  • After minification 294.0 kB
  • After compression 68.6 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. 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 227.5 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 80.7 kB

  • Original 2.4 MB
  • After minification 2.3 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. Dtechav images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 34.0 kB

  • Original 73.1 kB
  • After minification 73.1 kB
  • After compression 39.1 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 34.0 kB or 47% of the original size.

CSS Optimization

-1%

Potential reduce by 326 B

  • Original 26.3 kB
  • After minification 26.3 kB
  • After compression 26.0 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. Dtechav.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (42%)

Requests Now

53

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dtechav. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.dtechav.com

www.dtechav.com

878 ms

animate.min.css

animate.min.css

821 ms

mod.min.js

mod.min.js

97 ms

comm.min.js

comm.min.js

436 ms

js

js

139 ms

js

js

200 ms

js

js

296 ms

7162196.png

7162196.png

973 ms

en.png

en.png

594 ms

7221532.jpg

7221532.jpg

1570 ms

7163274.jpg

7163274.jpg

1268 ms

7163284.jpg

7163284.jpg

1171 ms

solar-bg.jpg

solar-bg.jpg

992 ms

7216861.png

7216861.png

1375 ms

solar-libg.png

solar-libg.png

1394 ms

grid-bg.jpg

grid-bg.jpg

1418 ms

7209871.png

7209871.png

1623 ms

7209875.png

7209875.png

1994 ms

7216753.jpg

7216753.jpg

2042 ms

7210055.jpg

7210055.jpg

1925 ms

7210068.jpg

7210068.jpg

2075 ms

7210069.jpg

7210069.jpg

1942 ms

7210075.jpg

7210075.jpg

1981 ms

7202864.png

7202864.png

2192 ms

7202869.jpg

7202869.jpg

2521 ms

7210262.jpg

7210262.jpg

2297 ms

7210263.jpg

7210263.jpg

2520 ms

7202871.jpg

7202871.jpg

2582 ms

7202872.jpg

7202872.jpg

2360 ms

7166286.png

7166286.png

2420 ms

7668955.jpg

7668955.jpg

2583 ms

7654519.jpg

7654519.jpg

2687 ms

7646674.jpg

7646674.jpg

2970 ms

css

css

51 ms

css

css

119 ms

css

css

119 ms

popups.min.css

popups.min.css

528 ms

font-awesome.min.css

font-awesome.min.css

520 ms

right-float.min.css

right-float.min.css

523 ms

mod_008.min.js

mod_008.min.js

637 ms

mod_026.min.js

mod_026.min.js

640 ms

mod_028.min.js

mod_028.min.js

649 ms

mod_029.min.js

mod_029.min.js

652 ms

mod_035.min.js

mod_035.min.js

642 ms

mod_070.min.js

mod_070.min.js

642 ms

mod_125.min.js

mod_125.min.js

699 ms

mod_animation_2d.min.js

mod_animation_2d.min.js

698 ms

js

js

63 ms

analytics.js

analytics.js

39 ms

js

js

55 ms

js

js

102 ms

collect

collect

49 ms

ws

ws

231 ms

appRightFloat.aspx

appRightFloat.aspx

103 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

336 ms

Accessibility Review

dtechav.com accessibility score

75

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

[lang] attributes do not have a valid value

Best Practices

dtechav.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dtechav.com SEO score

89

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dtechav.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Dtechav.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

dtechav.com

Open Graph data is detected on the main page of Dtechav. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: