Tools & Wizards About Us
szdome.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

szdome.com

LNDU / Shenzhen LNDU Technology Co., Ltd. - Professional Manufacturer for OEM & ODM Dash Camera, Smart Door Lock

Page Load Speed

29.8 sec in total

First Response

598 ms

Resources Loaded

29 sec

Page Rendered

245 ms

szdome.com screenshot

About Website

Welcome to szdome.com homepage info - get ready to check Szdome best content for Russia right away, or after learning these important things about szdome.com

Wholesale OEM Dash Camera, Smart Door Lock Manufacturer -- LNDU / Shenzhen LNDU Technology Co., Ltd.

Visit szdome.com

Key Findings

We analyzed Szdome.com page load time and found that the first response time was 598 ms and then it took 29.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

szdome.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value26.7 s

0/100

25%

SI (Speed Index)

Value31.8 s

0/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

szdome.com

598 ms

css.css

617 ms

component.css

645 ms

banner.css

661 ms

lanrenzhijia.css

679 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Szdome.com, 94% (101 requests) were made to Szlndu.com and 6% (6 requests) were made to Jmgo.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Szlndu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.9 kB (7%)

Content Size

1.1 MB

After Optimization

994.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szdome.com main page is 1.1 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. 35% of websites need less resources to load. Images take 907.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.7 kB

  • Original 24.5 kB
  • After minification 23.4 kB
  • After compression 4.8 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 19.7 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 36.2 kB

  • Original 907.5 kB
  • After minification 871.3 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. Szdome images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 11.2 kB

  • Original 119.9 kB
  • After minification 119.0 kB
  • After compression 108.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-32%

Potential reduce by 4.8 kB

  • Original 15.0 kB
  • After minification 14.7 kB
  • After compression 10.2 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. Szdome.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (33%)

Requests Now

57

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Szdome. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

szdome.com

szdome.com

598 ms

css.css

css.css

617 ms

component.css

component.css

645 ms

banner.css

banner.css

661 ms

lanrenzhijia.css

lanrenzhijia.css

679 ms

lanrenzhijia2.css

lanrenzhijia2.css

708 ms

clearbox.js

clearbox.js

742 ms

cb_config.js

cb_config.js

739 ms

cb_language.js

cb_language.js

761 ms

cb_core.js

cb_core.js

1102 ms

common.css

common.css

763 ms

jquery.js

jquery.js

2445 ms

common.bundle.js

common.bundle.js

1374 ms

jquery.js

jquery.js

1922 ms

main.js

main.js

1302 ms

cb_style.css

cb_style.css

349 ms

cb_config.js

cb_config.js

596 ms

cb_language.js

cb_language.js

631 ms

cb_core.js

cb_core.js

749 ms

logo.svg

logo.svg

185 ms

cover_5k.png

cover_5k.png

1034 ms

cover_4k.png

cover_4k.png

1158 ms

cover_3k.png

cover_3k.png

620 ms

cover_2k.png

cover_2k.png

1711 ms

cover_1080P.png

cover_1080P.png

1862 ms

cover_3_channel.png

cover_3_channel.png

2086 ms

cover_4K+1080P.png

cover_4K+1080P.png

2543 ms

cover_2K+2K.png

cover_2K+2K.png

2547 ms

cover_2K+1080P.png

cover_2K+1080P.png

2357 ms

cover_1080P+1080P.png

cover_1080P+1080P.png

2990 ms

cover_1080P+720P.png

cover_1080P+720P.png

3156 ms

cover_3-Channel.png

cover_3-Channel.png

3199 ms

TF-Card.png

TF-Card.png

2966 ms

Hardwire_Kit.png

Hardwire_Kit.png

3814 ms

Car-Charger.png

Car-Charger.png

3654 ms

M1.png

M1.png

3840 ms

C610.png

C610.png

3854 ms

search.png

search.png

3481 ms

shopping.png

shopping.png

3521 ms

l-btn.png

l-btn.png

3778 ms

r-btn.png

r-btn.png

3811 ms

home_video.jpg

home_video.jpg

8532 ms

play.png

play.png

3973 ms

our-factory.jpg

our-factory.jpg

7428 ms

R&D%20center.jpg

R&D%20center.jpg

7068 ms

OEM.jpg

OEM.jpg

8132 ms

facebook.png

facebook.png

4145 ms

youtube.png

youtube.png

4310 ms

linkedin.png

linkedin.png

4445 ms

close.png

close.png

4092 ms

blank.gif

blank.gif

4226 ms

prev.png

prev.png

4356 ms

next.png

next.png

4514 ms

pause.png

pause.png

4659 ms

start.png

start.png

4791 ms

s_topleft.png

s_topleft.png

4893 ms

cart.php

cart.php

611 ms

s_top.png

s_top.png

4644 ms

s_topright.png

s_topright.png

4771 ms

s_left.png

s_left.png

4747 ms

cart.php

cart.php

994 ms

s_right.png

s_right.png

4397 ms

s_btmleft.png

s_btmleft.png

4320 ms

s_btm.png

s_btm.png

4299 ms

s_btmright.png

s_btmright.png

4127 ms

btm_dl.gif

btm_dl.gif

4169 ms

btm_max.gif

btm_max.gif

4214 ms

cart.php

cart.php

856 ms

btm_next.gif

btm_next.gif

4023 ms

btm_prev.gif

btm_prev.gif

4049 ms

btm_rot_l.gif

btm_rot_l.gif

4073 ms

btm_rot_r.gif

btm_rot_r.gif

4056 ms

cart.php

cart.php

195 ms

no_flash.gif

no_flash.gif

3827 ms

no_html.gif

no_html.gif

3909 ms

cart.php

cart.php

198 ms

no_iframe.gif

no_iframe.gif

3803 ms

no_image.gif

no_image.gif

3745 ms

no_inner.gif

no_inner.gif

3819 ms

no_quicktime.gif

no_quicktime.gif

3822 ms

cart.php

cart.php

263 ms

no_winmedia.gif

no_winmedia.gif

3797 ms

no_winmediaavi.gif

no_winmediaavi.gif

3862 ms

no_winmediamp3.gif

no_winmediamp3.gif

3854 ms

no_winmediampg.gif

no_winmediampg.gif

3687 ms

no_winmediawav.gif

no_winmediawav.gif

3505 ms

no_winmediawma.gif

no_winmediawma.gif

3460 ms

no_winmediawmv.gif

no_winmediawmv.gif

3387 ms

no_youtube.gif

no_youtube.gif

3288 ms

s_btm.png

s_btm.png

3164 ms

s_btmleft.png

s_btmleft.png

3042 ms

s_btmright.png

s_btmright.png

2957 ms

s_left.png

s_left.png

2884 ms

s_right.png

s_right.png

2687 ms

s_top.png

s_top.png

2577 ms

s_topleft.png

s_topleft.png

2485 ms

s_topright.png

s_topright.png

2351 ms

20240426174508131.jpg

20240426174508131.jpg

19744 ms

20240426174752191.jpg

20240426174752191.jpg

19671 ms

20240312111741199.jpg

20240312111741199.jpg

20467 ms

20240312111725102.jpg

20240312111725102.jpg

20370 ms

20240312111709104.jpg

20240312111709104.jpg

20143 ms

20240312111641109.jpg

20240312111641109.jpg

20094 ms

20240312111623195.jpg

20240312111623195.jpg

19865 ms

20240312111554162.jpg

20240312111554162.jpg

19816 ms

tel.png

tel.png

19785 ms

email.png

email.png

19626 ms

address.png

address.png

19601 ms

Accessibility Review

szdome.com accessibility score

56

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

szdome.com best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

szdome.com SEO score

58

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

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 Szdome.com 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 Szdome.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

szdome.com

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