Tools & Wizards About Us
quanling-screw.com screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

quanling-screw.com

Self drilling screws,Tapping screws,Chipboard screws,China fastener - Hangzhou Quanling Standard Component Co., Ltd.

Page Load Speed

16.5 sec in total

First Response

3.3 sec

Resources Loaded

13 sec

Page Rendered

156 ms

quanling-screw.com screenshot

About Website

Welcome to quanling-screw.com homepage info - get ready to check Quanling Screw best content right away, or after learning these important things about quanling-screw.com

The parent company produces self drilling screws, tapping screws, chipboard screws, China fastener. Founded in 1994, Hangzhou Quanling Standard Component Co., Ltd. is a professional fastener manufactu...

Visit quanling-screw.com

Key Findings

We analyzed Quanling-screw.com page load time and found that the first response time was 3.3 sec and then it took 13.1 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

quanling-screw.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

quanling-screw.com

3344 ms

master.css

267 ms

home.css

280 ms

scroll1.css

203 ms

logo.jpg

603 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 84% of them (42 requests) were addressed to the original Quanling-screw.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to S87.cnzz.com. The less responsive or slowest element that took the longest time to load (5.3 sec) relates to the external source Cnzz.mmstat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.8 kB (23%)

Content Size

660.1 kB

After Optimization

509.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Quanling-screw.com main page is 660.1 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 602.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.1 kB

  • Original 13.8 kB
  • After minification 12.1 kB
  • After compression 3.7 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 1.7 kB, which is 12% 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 10.1 kB or 73% of the original size.

Image Optimization

-20%

Potential reduce by 121.5 kB

  • Original 602.9 kB
  • After minification 481.4 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. Obviously, Quanling Screw needs image optimization as it can save up to 121.5 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 7.9 kB

  • Original 29.4 kB
  • After minification 29.2 kB
  • After compression 21.6 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 7.9 kB or 27% of the original size.

CSS Optimization

-81%

Potential reduce by 11.4 kB

  • Original 14.0 kB
  • After minification 12.2 kB
  • After compression 2.6 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. Quanling-screw.com needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (46%)

Requests Now

48

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Quanling Screw. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

quanling-screw.com

quanling-screw.com

3344 ms

master.css

master.css

267 ms

home.css

home.css

280 ms

scroll1.css

scroll1.css

203 ms

logo.jpg

logo.jpg

603 ms

cn.jpg

cn.jpg

283 ms

c_name.jpg

c_name.jpg

542 ms

jian.jpg

jian.jpg

292 ms

new_products_img.jpg

new_products_img.jpg

799 ms

go.jpg

go.jpg

558 ms

back.jpg

back.jpg

406 ms

stat.php

stat.php

1826 ms

scrollimg.js

scrollimg.js

330 ms

font.css

font.css

311 ms

nav_bg.jpg

nav_bg.jpg

88 ms

nav_bg1.jpg

nav_bg1.jpg

100 ms

red_left.jpg

red_left.jpg

110 ms

new_products_bg.jpg

new_products_bg.jpg

135 ms

email.jpg

email.jpg

169 ms

in_left.jpg

in_left.jpg

174 ms

1.jpg

1.jpg

629 ms

2.jpg

2.jpg

235 ms

3.jpg

3.jpg

233 ms

4.jpg

4.jpg

254 ms

5.jpg

5.jpg

260 ms

1.jpg

1.jpg

1801 ms

2.jpg

2.jpg

874 ms

3.jpg

3.jpg

759 ms

4.jpg

4.jpg

806 ms

5.jpg

5.jpg

733 ms

314911393.jpg

314911393.jpg

759 ms

316774639.jpg

316774639.jpg

821 ms

251220950.jpg

251220950.jpg

841 ms

256235523.jpg

256235523.jpg

857 ms

more.jpg

more.jpg

984 ms

tradeshow_header.jpg

tradeshow_header.jpg

905 ms

tradeshow_home.jpg

tradeshow_home.jpg

922 ms

dian.jpg

dian.jpg

953 ms

hot.jpg

hot.jpg

958 ms

247416756.jpg

247416756.jpg

991 ms

tel.jpg

tel.jpg

1005 ms

msn.jpg

msn.jpg

1049 ms

bottom_bg.jpg

bottom_bg.jpg

1211 ms

stat.htm

stat.htm

161 ms

core.php

core.php

1273 ms

9.gif

9.gif

5323 ms

pic.gif

pic.gif

1624 ms

ga.js

ga.js

5 ms

__utm.gif

__utm.gif

11 ms

app.gif

app.gif

1213 ms

Accessibility Review

quanling-screw.com accessibility score

39

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

quanling-screw.com best practices score

69

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

quanling-screw.com SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Quanling-screw.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 Quanling-screw.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

quanling-screw.com

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