Tools & Wizards About Us
kotolong.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

kotolong.com

Kotolong - Wholesale and retail high quality contactors and circuit breakers and other electrical products.

Page Load Speed

6.7 sec in total

First Response

910 ms

Resources Loaded

5 sec

Page Rendered

726 ms

kotolong.com screenshot

About Website

Welcome to kotolong.com homepage info - get ready to check Kotolong best content right away, or after learning these important things about kotolong.com

WWW.KOTOLONG.COM is an independent website for retail and wholesale electrical products.We offer high quality products and the best offer. Email:koto@kotolong.com

Visit kotolong.com

Key Findings

We analyzed Kotolong.com page load time and found that the first response time was 910 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

kotolong.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.782

5/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

www.kotolong.com

910 ms

bootstrap.min.css

577 ms

webfont.css

902 ms

css.css

952 ms

responsive.css

913 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 13% of them (7 requests) were addressed to the original Kotolong.com, 44% (24 requests) were made to Usaimages.oss-us-west-1.aliyuncs.com and 43% (23 requests) were made to Asssets.51microshop.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Asssets.51microshop.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 299.9 kB (7%)

Content Size

4.4 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kotolong.com main page is 4.4 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 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 64.5 kB

  • Original 74.0 kB
  • After minification 68.9 kB
  • After compression 9.5 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 64.5 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 232.6 kB

  • Original 4.3 MB
  • After minification 4.0 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. Kotolong images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.4 kB

  • Original 71.0 kB
  • After minification 70.8 kB
  • After compression 69.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 1.3 kB

  • Original 36.8 kB
  • After minification 36.8 kB
  • After compression 35.4 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. Kotolong.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (33%)

Requests Now

46

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kotolong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.kotolong.com

www.kotolong.com

910 ms

bootstrap.min.css

bootstrap.min.css

577 ms

webfont.css

webfont.css

902 ms

css.css

css.css

952 ms

responsive.css

responsive.css

913 ms

additive.css

additive.css

586 ms

jquery.min.js

jquery.min.js

715 ms

jquery.bttrlazyloading.min.js

jquery.bttrlazyloading.min.js

664 ms

home_custom_design.css

home_custom_design.css

743 ms

index.css

index.css

1154 ms

home.js

home.js

819 ms

jquery.cookie.js

jquery.cookie.js

782 ms

bootstrap.min.js

bootstrap.min.js

852 ms

TouchSlide.1.1.js

TouchSlide.1.1.js

863 ms

js.js

js.js

1828 ms

admin-ajax.js

admin-ajax.js

1001 ms

PluginUit.js

PluginUit.js

928 ms

USD.jpg

USD.jpg

318 ms

Contactors

Contactors

121 ms

1665627256110_0.png

1665627256110_0.png

526 ms

1512975496703_0.jpg_w1512.jpg

1512975496703_0.jpg_w1512.jpg

752 ms

1506071089499_0.jpg_w1512.jpg

1506071089499_0.jpg_w1512.jpg

1100 ms

1506071111607_0.jpg_w1512.jpg

1506071111607_0.jpg_w1512.jpg

1208 ms

1506069717365_0.jpg_w1512.jpg

1506069717365_0.jpg_w1512.jpg

451 ms

Circuit%20breakers

Circuit%20breakers

236 ms

Relays

Relays

357 ms

Sensors

Sensors

319 ms

Controllers

Controllers

307 ms

cart.png

cart.png

913 ms

blank.png

blank.png

871 ms

DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff

DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff

115 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

187 ms

index.gif

index.gif

505 ms

rose_circle.png

rose_circle.png

74 ms

1506066500184_0.jpg_w1512.jpg

1506066500184_0.jpg_w1512.jpg

226 ms

1725091166576_0.JPG_w540.jpg

1725091166576_0.JPG_w540.jpg

169 ms

1725091530378_0.JPG_w540.jpg

1725091530378_0.JPG_w540.jpg

155 ms

1725091647750_0.JPG_w540.jpg

1725091647750_0.JPG_w540.jpg

312 ms

1725092121019_0.jpg_w540.jpg

1725092121019_0.jpg_w540.jpg

240 ms

1725092553608_0.png_w540.jpg

1725092553608_0.png_w540.jpg

426 ms

LC1D09B7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D09B7_9A_24V_AC_coil_1724407408600_0.JPG_w360.jpg

LC1D09B7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D09B7_9A_24V_AC_coil_1724407408600_0.JPG_w360.jpg

359 ms

LC1D25E7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D25E7_25A_48V_AC_coil_1724486732823_0.JPG_w360.jpg

LC1D25E7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D25E7_25A_48V_AC_coil_1724486732823_0.JPG_w360.jpg

527 ms

LC1D40G7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D40G7_40A_120V_AC_coil_1724743423443_0.jpg_w360.jpg

LC1D40G7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D40G7_40A_120V_AC_coil_1724743423443_0.jpg_w360.jpg

403 ms

LC1D95F7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D95F7_95A_110V_AC_coil_1724751819584_0.jpg_w360.jpg

LC1D95F7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D95F7_95A_110V_AC_coil_1724751819584_0.jpg_w360.jpg

1505 ms

LC1D115M7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D115M7_115A_220V_AC_coil_1724829865001_0.JPG_w360.jpg

LC1D115M7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D115M7_115A_220V_AC_coil_1724829865001_0.JPG_w360.jpg

1546 ms

LC1F150P7_AC_electric_magnetic_Contactor_3P_3NO_LC1_F150P7_150A_coil_230V_AC_1725093002524_0.JPG_w360.jpg

LC1F150P7_AC_electric_magnetic_Contactor_3P_3NO_LC1_F150P7_150A_coil_230V_AC_1725093002524_0.JPG_w360.jpg

540 ms

LC1F330U7_AC_electric_magnetic_Contactor_3P_3NO_LC1_F330U7_330A_coil_240V_AC_1725094012555_0.JPG_w360.jpg

LC1F330U7_AC_electric_magnetic_Contactor_3P_3NO_LC1_F330U7_330A_coil_240V_AC_1725094012555_0.JPG_w360.jpg

624 ms

LC1F500Q7_AC_electric_magnetic_Contactor_3P_3NO_LC1_F500Q7_500A_coil_380V_AC_1725094315440_0.JPG_w360.jpg

LC1F500Q7_AC_electric_magnetic_Contactor_3P_3NO_LC1_F500Q7_500A_coil_380V_AC_1725094315440_0.JPG_w360.jpg

603 ms

Black_LC1D12F7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D12F7_12A_110V_AC_coil_1724480437865_0.JPG_w360.jpg

Black_LC1D12F7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D12F7_12A_110V_AC_coil_1724480437865_0.JPG_w360.jpg

708 ms

js.aspx

js.aspx

77 ms

Black_LC1D25G7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D25G7_25A_120V_AC_coil_1724490317122_0.JPG_w360.jpg

Black_LC1D25G7_AC_electric_magnetic_Contactor_3P_3NO_LC1_D25G7_25A_120V_AC_coil_1724490317122_0.JPG_w360.jpg

750 ms

Black_LC1D098P7_AC_electric_magnetic_Contactor_4P_2NO_2NC_LC1_D098P7_20A_230V_AC_coil_1724825314201_0.JPG_w360.jpg

Black_LC1D098P7_AC_electric_magnetic_Contactor_4P_2NO_2NC_LC1_D098P7_20A_230V_AC_coil_1724825314201_0.JPG_w360.jpg

793 ms

Black_LC1D188R7_AC_electric_magnetic_Contactor_4P_2NO_2NC_LC1_D188R7_32A_440V_AC_coil_1724839637420_0.JPG_w360.jpg

Black_LC1D188R7_AC_electric_magnetic_Contactor_4P_2NO_2NC_LC1_D188R7_32A_440V_AC_coil_1724839637420_0.JPG_w360.jpg

794 ms

translate.css

translate.css

71 ms

Accessibility Review

kotolong.com accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

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

kotolong.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kotolong.com SEO score

75

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

High

robots.txt is not valid

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

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 Kotolong.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 Kotolong.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

kotolong.com

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