Tools & Wizards About Us
screwschina.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

screwschina.com

Auto parts, CNC Machining Parts, Wheel bolts, Bicycle screw-World Hardware Technology Co., Ltd.

Page Load Speed

3.7 sec in total

First Response

57 ms

Resources Loaded

3.2 sec

Page Rendered

397 ms

screwschina.com screenshot

About Website

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

Welcome to World Hardware（CHE）We specialise in the supply of non-standard and made to drawing fasteners, as well as those made from exotic materials. providing consistent and cost-saving fastening sol...

Visit screwschina.com

Key Findings

We analyzed Screwschina.com page load time and found that the first response time was 57 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

screwschina.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value8.7 s

17/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

screwschina.com

57 ms

screwschina.com

202 ms

css

847 ms

public.css

148 ms

main.css

244 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 11% of them (10 requests) were addressed to the original Screwschina.com, 74% (65 requests) were made to Gdchuanghe.cn and 8% (7 requests) were made to Ta.sbird.xyz. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Oss.melark.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 431.0 kB (9%)

Content Size

4.7 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Screwschina.com main page is 4.7 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. 55% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 41.9 kB

  • Original 55.1 kB
  • After minification 51.6 kB
  • After compression 13.2 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 41.9 kB or 76% of the original size.

Image Optimization

-9%

Potential reduce by 386.3 kB

  • Original 4.5 MB
  • After minification 4.1 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. Screw Schina images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 482 B

  • Original 89.6 kB
  • After minification 89.6 kB
  • After compression 89.1 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

-5%

Potential reduce by 2.3 kB

  • Original 50.4 kB
  • After minification 50.4 kB
  • After compression 48.1 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. Screwschina.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (38%)

Requests Now

85

After Optimization

53

  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Screw Schina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

screwschina.com

screwschina.com

57 ms

screwschina.com

screwschina.com

202 ms

css

css

847 ms

public.css

public.css

148 ms

main.css

main.css

244 ms

swiper3.css

swiper3.css

248 ms

media.css

media.css

247 ms

jquery.js

jquery.js

289 ms

js

js

84 ms

js

js

131 ms

email-decode.min.js

email-decode.min.js

17 ms

101367044.js

101367044.js

173 ms

analytic.php

analytic.php

787 ms

deepfloat.min.js

deepfloat.min.js

169 ms

js.js

js.js

259 ms

swiper3.js

swiper3.js

289 ms

jquery.fancybox.js

jquery.fancybox.js

452 ms

index.js

index.js

327 ms

animate.css

animate.css

94 ms

iconfont.css

iconfont.css

115 ms

jquery.fancybox.css

jquery.fancybox.css

143 ms

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141 ms

cn.png

cn.png

306 ms

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128 ms

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132 ms

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131 ms

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126 ms

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131 ms

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176 ms

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179 ms

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226 ms

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228 ms

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232 ms

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347 ms

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267 ms

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283 ms

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313 ms

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321 ms

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320 ms

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483 ms

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377 ms

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400 ms

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417 ms

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416 ms

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456 ms

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465 ms

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506 ms

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510 ms

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507 ms

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541 ms

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678 ms

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573 ms

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602 ms

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605 ms

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595 ms

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638 ms

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668 ms

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683 ms

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174 ms

pt.png

pt.png

212 ms

sv.png

sv.png

221 ms

de.png

de.png

216 ms

tr.png

tr.png

223 ms

fr.png

fr.png

260 ms

ta.js

ta.js

681 ms

chat-sh.min.js

chat-sh.min.js

1994 ms

iconfont.woff

iconfont.woff

570 ms

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564 ms

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603 ms

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638 ms

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640 ms

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639 ms

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609 ms

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619 ms

footbg.jpg

footbg.jpg

599 ms

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626 ms

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622 ms

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590 ms

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590 ms

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718 ms

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596 ms

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630 ms

tpf.js

tpf.js

71 ms

melark.js

melark.js

140 ms

ta.gif

ta.gif

201 ms

tac.js

tac.js

71 ms

ta.gif

ta.gif

69 ms

ta.gif

ta.gif

71 ms

Accessibility Review

screwschina.com accessibility score

53

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

screwschina.com best practices score

75

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

Page has valid source maps

SEO Factors

screwschina.com SEO score

76

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

High

Image elements do not have [alt] attributes

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 Screwschina.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 Screwschina.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

screwschina.com

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