Tools & Wizards About Us
leofilter.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

leofilter.com

Plate and Frame Filter Press Manufacturer,Membrane Filter press Manufacrurers in China - Leo Filter Press

Page Load Speed

13.7 sec in total

First Response

687 ms

Resources Loaded

12.9 sec

Page Rendered

178 ms

leofilter.com screenshot

About Website

Click here to check amazing Leo Filter content. Otherwise, check out these important facts you probably never knew about leofilter.com

Leo Filter Press is a filter press manufacturer in China,offers plate and frame filter press,membrane filter press,chamber filter press and filter press parts.Among all the filter press manufactuers i...

Visit leofilter.com

Key Findings

We analyzed Leofilter.com page load time and found that the first response time was 687 ms and then it took 13 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

leofilter.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.386

27/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

leofilter.com

687 ms

style.css

211 ms

jquery.js

620 ms

x.js

419 ms

js-sdk-pro.min.js

1155 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 97% of them (34 requests) were addressed to the original Leofilter.com, 3% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (11.5 sec) belongs to the original domain Leofilter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.9 kB (5%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leofilter.com main page is 1.7 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. 30% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 20.8 kB

  • Original 24.7 kB
  • After minification 24.6 kB
  • After compression 4.0 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 20.8 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 64.9 kB

  • Original 1.6 MB
  • After minification 1.6 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. Leo Filter images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 3.1 kB

  • Original 27.9 kB
  • After minification 27.9 kB
  • After compression 24.8 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 3.1 kB or 11% of the original size.

CSS Optimization

-26%

Potential reduce by 1.2 kB

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 3.3 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. Leofilter.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 26% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

34

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leo Filter. According to our analytics all requests are already optimized.

Network Requests Diagram

leofilter.com

leofilter.com

687 ms

style.css

style.css

211 ms

jquery.js

jquery.js

620 ms

x.js

x.js

419 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

1155 ms

loading.gif

loading.gif

213 ms

1.jpg

1.jpg

646 ms

2.jpg

2.jpg

417 ms

3.jpg

3.jpg

628 ms

4.jpg

4.jpg

1731 ms

logo.png

logo.png

663 ms

20230606225649.jpg

20230606225649.jpg

2457 ms

20230606224605.jpg

20230606224605.jpg

623 ms

20230508170858.jpg

20230508170858.jpg

4012 ms

20230507173558.jpg

20230507173558.jpg

2504 ms

more.jpg

more.jpg

860 ms

nav_icon.gif

nav_icon.gif

885 ms

20230503173338.jpg

20230503173338.jpg

2798 ms

20230423160649.jpg

20230423160649.jpg

1991 ms

20230423155240.jpg

20230423155240.jpg

1950 ms

20230423153958.jpg

20230423153958.jpg

10433 ms

20230422162936.jpg

20230422162936.jpg

4475 ms

20230422154135.jpg

20230422154135.jpg

7721 ms

20230421171030.jpg

20230421171030.jpg

6062 ms

20230421165314.jpg

20230421165314.jpg

5850 ms

20230421164810.jpg

20230421164810.jpg

5040 ms

20230421164006.jpg

20230421164006.jpg

5580 ms

20230420224318.jpg

20230420224318.jpg

9403 ms

20230420162505.jpg

20230420162505.jpg

6463 ms

20230420161820.jpg

20230420161820.jpg

8855 ms

20230420155236.jpg

20230420155236.jpg

7102 ms

20230408190129.jpg

20230408190129.jpg

7788 ms

20230407233957.jpg

20230407233957.jpg

11472 ms

nav_bg.png

nav_bg.png

9255 ms

nav_r.png

nav_r.png

8002 ms

Accessibility Review

leofilter.com accessibility score

59

Accessibility Issues

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

Best Practices

leofilter.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

leofilter.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

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 Leofilter.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 Leofilter.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

leofilter.com

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