Access zfhousing.com. One-Stop customized Building materials and decoration materials supplier

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.379

27/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

zfhousing.com

455 ms

gtm.js

51 ms

bootstrap.min.css

274 ms

owl.carousel.2.2.1.css

139 ms

reset.css

151 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 90% of them (100 requests) were addressed to the original Zfhousing.com, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Cs.ecqun.com. The less responsive or slowest element that took the longest time to load (12.9 sec) relates to the external source Kf.ecqun.com.

Content Size

2.6 MB

After Optimization

2.4 MB

In fact, the total size of Zfhousing.com main page is 2.6 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. 50% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 85.6 kB

Original 120.1 kB
After minification 108.1 kB
After compression 34.5 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 85.6 kB or 71% of the original size.

Image Optimization

-4%

Potential reduce by 85.0 kB

Original 2.3 MB
After minification 2.2 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. Zfhousing images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 6.6 kB

Original 138.6 kB
After minification 138.6 kB
After compression 132.0 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

-18%

Potential reduce by 6.2 kB

Original 35.3 kB
After minification 34.2 kB
After compression 29.1 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. Zfhousing.com needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 18% of the original size.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zfhousing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Zfhousing.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 Zfhousing.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

zfhousing.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

One-Stop customized Building materials and decoration materials supplier

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zfhousing.com

gtm.js

bootstrap.min.css

owl.carousel.2.2.1.css

reset.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

zfhousing.com

gtm.js

bootstrap.min.css

owl.carousel.2.2.1.css

reset.css

style.css

index.css

app.css

en.css

jquery-min.js

owl.carousel.2.2.1.js

cs.ecqun.com

analytics.js

collect

collect

js

ga-audiences

59db0af67d2b3.jpg

sprite.png

5c90f2c3d47b9.jpg

5c91325203d86.jpg

5c94ac4462447.jpg

thumb_270_225_5c80e89c79c98.jpg

thumb_270_225_5c834b6159430.jpg

thumb_270_225_5c834ef52c341.jpg

thumb_270_225_5c83559994e2c.png

thumb_270_225_5b4b442fe62b4.jpg

thumb_270_225_5b3c6f2867dc8.jpg

thumb_270_225_5b4aece189855.jpg

thumb_270_225_5a48791e94f47.jpg

5aae48749f35e.jpg

5b4f5151e0beb.jpg

5b4f51c10c61f.jpg

5b50249ad2dfd.jpg

thumb_160_115_604c282918574.jpg

thumb_270_225_5aed7a60aeece.jpg

thumb_270_225_5aed7ab23fd75.jpg

thumb_270_225_5aed7ae079901.jpg

thumb_270_225_5aed7b3eaab7f.jpg

thumb_270_225_5aed7b8e07889.jpg

thumb_270_225_5b489d99685a0.jpg

thumb_270_225_5aec44f4a2b9b.jpg

thumb_270_225_5bc5dc07c3ab1.jpg