Tools & Wizards About Us
katalor.com screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

katalor.com

steel structure,pressure vessel,hoisting machinery - Shanghai Katalor Enterprises Co., Ltd

Page Load Speed

4.2 sec in total

First Response

42 ms

Resources Loaded

3.8 sec

Page Rendered

302 ms

katalor.com screenshot

About Website

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

Katalor Enterprises as a professional steel structure supplier in China ,any need in steel structure,pressure vessel,hoisting machinery , please contact us!

Visit katalor.com

Key Findings

We analyzed Katalor.com page load time and found that the first response time was 42 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

katalor.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.325

35/100

15%

TTI (Time to Interactive)

Value4.7 s

79/100

10%

Network Requests Diagram

katalor.com

42 ms

katalor.com

223 ms

www.katalor.com

243 ms

bootstrap.min.css

12 ms

font-awesome.min.css

22 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 80% of them (40 requests) were addressed to the original Katalor.com, 14% (7 requests) were made to Lkt.zoosnet.net and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Apis.map.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.8 kB (2%)

Content Size

1.6 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katalor.com main page is 1.6 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 23.8 kB

  • Original 29.7 kB
  • After minification 24.8 kB
  • After compression 5.9 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 4.9 kB, which is 16% 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 23.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 864 B

  • Original 1.5 MB
  • After minification 1.5 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. Katalor images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 5.6 kB

  • Original 50.7 kB
  • After minification 50.7 kB
  • After compression 45.1 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 5.6 kB or 11% of the original size.

CSS Optimization

-17%

Potential reduce by 6.6 kB

  • Original 37.7 kB
  • After minification 37.7 kB
  • After compression 31.1 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. Katalor.com needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (42%)

Requests Now

45

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katalor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

katalor.com

katalor.com

42 ms

katalor.com

katalor.com

223 ms

www.katalor.com

www.katalor.com

243 ms

bootstrap.min.css

bootstrap.min.css

12 ms

font-awesome.min.css

font-awesome.min.css

22 ms

style.css

style.css

24 ms

jquery.min.js

jquery.min.js

28 ms

bootstrap.min.js

bootstrap.min.js

26 ms

jquery.num.js

jquery.num.js

17 ms

js

js

78 ms

email-decode.min.js

email-decode.min.js

15 ms

19531071.js

19531071.js

1188 ms

logo-m.png

logo-m.png

11 ms

banner01.jpg

banner01.jpg

20 ms

banner02.jpg

banner02.jpg

19 ms

banner03.jpg

banner03.jpg

18 ms

hicon_2.png

hicon_2.png

10 ms

hicon_1.png

hicon_1.png

8 ms

hicon_3.png

hicon_3.png

50 ms

hicon_4.png

hicon_4.png

19 ms

c_1.jpg

c_1.jpg

24 ms

c_2.jpg

c_2.jpg

48 ms

c_3.jpg

c_3.jpg

48 ms

c_4.jpg

c_4.jpg

28 ms

c_5.jpg

c_5.jpg

47 ms

c_6.jpg

c_6.jpg

49 ms

c_7.jpg

c_7.jpg

49 ms

iab_1.jpg

iab_1.jpg

49 ms

iab_2.jpg

iab_2.jpg

50 ms

iab_3.jpg

iab_3.jpg

50 ms

casei_1.jpg

casei_1.jpg

50 ms

casei_2.jpg

casei_2.jpg

51 ms

casei_3.jpg

casei_3.jpg

52 ms

casei_4.jpg

casei_4.jpg

54 ms

casei_5.jpg

casei_5.jpg

55 ms

casei_6.jpg

casei_6.jpg

55 ms

casei_7.jpg

casei_7.jpg

56 ms

casei_8.jpg

casei_8.jpg

57 ms

casei_9.jpg

casei_9.jpg

59 ms

casei_10.jpg

casei_10.jpg

277 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

309 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

483 ms

lsjs.aspx

lsjs.aspx

1001 ms

JS5.css

JS5.css

202 ms

JS_Float.aspx

JS_Float.aspx

406 ms

im.html

im.html

405 ms

onlineimgsrc_en.gif

onlineimgsrc_en.gif

445 ms

spacer.gif

spacer.gif

582 ms

newsid0.aspx

newsid0.aspx

290 ms

ip

ip

1304 ms

Accessibility Review

katalor.com accessibility score

74

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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>).

Best Practices

katalor.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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

katalor.com SEO score

91

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

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Katalor.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Katalor.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

katalor.com

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