Tools & Wizards About Us
dustfilter-bag.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dustfilter-bag.com

Quality Dust Collector Filter Bags & Asphalt Plant Filter Manufacturer

Page Load Speed

7.4 sec in total

First Response

649 ms

Resources Loaded

6.4 sec

Page Rendered

342 ms

dustfilter-bag.com screenshot

About Website

Welcome to dustfilter-bag.com homepage info - get ready to check Dust Filter Bag best content for China right away, or after learning these important things about dustfilter-bag.com

ZHEJIANG GRACE ENVIROTECH CO.,LTD is best Dust Collector Filter Bags, Asphalt Plant Filter and Nomex Filter Bag supplier, we has good quality products & service from China.

Visit dustfilter-bag.com

Key Findings

We analyzed Dustfilter-bag.com page load time and found that the first response time was 649 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dustfilter-bag.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

www.dustfilter-bag.com

649 ms

style.css

143 ms

tracker.js

260 ms

index.js

400 ms

index_1.js

522 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 93% of them (14 requests) were addressed to the original Dustfilter-bag.com, 7% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (649 ms) belongs to the original domain Dustfilter-bag.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.2 kB (12%)

Content Size

640.0 kB

After Optimization

560.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Dustfilter-bag.com main page is 640.0 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. 15% of websites need less resources to load. Images take 564.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 44.1 kB

  • Original 52.2 kB
  • After minification 41.8 kB
  • After compression 8.1 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 10.4 kB, which is 20% 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 44.1 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 33.8 kB

  • Original 564.6 kB
  • After minification 530.8 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. Dust Filter Bag images are well optimized though.

CSS Optimization

-6%

Potential reduce by 1.3 kB

  • Original 23.2 kB
  • After minification 23.2 kB
  • After compression 21.9 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. Dustfilter-bag.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (23%)

Requests Now

13

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dust Filter Bag. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.dustfilter-bag.com

www.dustfilter-bag.com

649 ms

style.css

style.css

143 ms

tracker.js

tracker.js

260 ms

index.js

index.js

400 ms

index_1.js

index_1.js

522 ms

gtm.js

gtm.js

62 ms

css-sprite.png

css-sprite.png

208 ms

logo.gif

logo.gif

139 ms

load_icon.gif

load_icon.gif

79 ms

cd12882886-.jpg

cd12882886-.jpg

162 ms

cd12882887-.jpg

cd12882887-.jpg

187 ms

cd12882888-.jpg

cd12882888-.jpg

327 ms

cl18635365-nomex_filter_bags.jpg

cl18635365-nomex_filter_bags.jpg

577 ms

cl18635413-asphalt_plant_filter.jpg

cl18635413-asphalt_plant_filter.jpg

531 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

202 ms

Accessibility Review

dustfilter-bag.com accessibility score

89

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Best Practices

dustfilter-bag.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

SEO Factors

dustfilter-bag.com SEO score

83

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

High

Tap targets are not sized appropriately

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 Dustfilter-bag.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 Dustfilter-bag.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

dustfilter-bag.com

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