Tools & Wizards About Us

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sffiltech.net

Custom Dust Filter, Liquid Filter, Air Filter Wholesale Manufacturer & Supplier- SFFILTECH

Page Load Speed

4.2 sec in total

First Response

255 ms

Resources Loaded

3.4 sec

Page Rendered

586 ms

About Website

Click here to check amazing SFFILTECH content. Otherwise, check out these important facts you probably never knew about sffiltech.net

Professional filtration solutions Provider in China, SFFILTECH specialized in dust filter, liquid filter, air filter, and related filtration products since 2006. Welcome Join US!

Visit sffiltech.net

Key Findings

We analyzed Sffiltech.net page load time and found that the first response time was 255 ms and then it took 4 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

sffiltech.net performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

sffiltech.net

255 ms

www.sffiltech.net

260 ms

entire.css

10 ms

js

186 ms

png100-t3-scale100.webp

377 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 64% of them (16 requests) were addressed to the original Sffiltech.net, 32% (8 requests) were made to Img.yfisher.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Sffiltech.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 319.0 kB (34%)

Content Size

933.9 kB

After Optimization

614.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sffiltech.net main page is 933.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 479.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 288.2 kB

  • Original 328.8 kB
  • After minification 277.5 kB
  • After compression 40.6 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. This page needs HTML code to be minified as it can gain 51.4 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 288.2 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 17.9 kB

  • Original 479.7 kB
  • After minification 461.8 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. SFFILTECH images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.7 kB

  • Original 100.5 kB
  • After minification 100.5 kB
  • After compression 97.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-41%

Potential reduce by 10.1 kB

  • Original 24.8 kB
  • After minification 24.8 kB
  • After compression 14.6 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. Sffiltech.net needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 41% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SFFILTECH. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

sffiltech.net accessibility score

63

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.

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

Form elements do not have associated labels

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

sffiltech.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

sffiltech.net SEO score

86

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Sffiltech.net 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 Sffiltech.net 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

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