Tools & Wizards About Us
jzfastener.en.alibaba.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jzfastener.en.alibaba.com

Hebei Yixin Fastener Co., Ltd. - Rail Clips, screw spikes

Page Load Speed

5.1 sec in total

First Response

467 ms

Resources Loaded

4.3 sec

Page Rendered

359 ms

jzfastener.en.alibaba.com screenshot

About Website

Welcome to jzfastener.en.alibaba.com homepage info - get ready to check Jz Fastener En Alibaba best content for China right away, or after learning these important things about jzfastener.en.alibaba.com

Hebei Yixin Fastener Co., Ltd., Experts in Manufacturing and Exporting Rail Clips, screw spikes and 0 more Products.

Visit jzfastener.en.alibaba.com

Key Findings

We analyzed Jzfastener.en.alibaba.com page load time and found that the first response time was 467 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jzfastener.en.alibaba.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value8,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value25.9 s

0/100

10%

Network Requests Diagram

jzfastener.en.alibaba.com

467 ms

jzfastener.en.alibaba.com

327 ms

34 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

327 ms

index.js

342 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Jzfastener.en.alibaba.com, 57% (25 requests) were made to S.alicdn.com and 7% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 767.6 kB (35%)

Content Size

2.2 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jzfastener.en.alibaba.com main page is 2.2 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. 30% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 397.8 kB

  • Original 490.6 kB
  • After minification 489.9 kB
  • After compression 92.8 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 397.8 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 6.5 kB

  • Original 433.2 kB
  • After minification 426.7 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. Jz Fastener En Alibaba images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 363.4 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 928.5 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 363.4 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (57%)

Requests Now

42

After Optimization

18

  • AJAX
  • Images
  • JavaScript

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jz Fastener En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jzfastener.en.alibaba.com

jzfastener.en.alibaba.com

467 ms

jzfastener.en.alibaba.com

jzfastener.en.alibaba.com

327 ms

34 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

327 ms

index.js

index.js

342 ms

index.js

index.js

329 ms

renderHeader.js

renderHeader.js

337 ms

awsc.js

awsc.js

34 ms

8 ms

7.gif

7.gif

163 ms

et_n.js

et_n.js

6 ms

um.js

um.js

81 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

429 ms

HTB1Rb1NPFXXXXbsXVXXq6xXFXXX6.jpg

HTB1Rb1NPFXXXXbsXVXXq6xXFXXX6.jpg

927 ms

HTB1Ckq3PFXXXXX1XFXXq6xXFXXX7.jpg

HTB1Ckq3PFXXXXX1XFXXq6xXFXXX7.jpg

868 ms

UTB8ZgTTxgQydeJk43PUq6AyQpXaA.jpg

UTB8ZgTTxgQydeJk43PUq6AyQpXaA.jpg

716 ms

HTB1V8jybXzsK1Rjy1Xbq6xOaFXa8.jpg

HTB1V8jybXzsK1Rjy1Xbq6xOaFXa8.jpg

739 ms

HTB1GINrKFXXXXX8aXXX760XFXXXf.png_80x80.png

HTB1GINrKFXXXXX8aXXX760XFXXXf.png_80x80.png

858 ms

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg

165 ms

China-Manufacturer-Crane-Steel-Rails.jpg_250x250.jpg

China-Manufacturer-Crane-Steel-Rails.jpg_250x250.jpg

663 ms

High-quality-America-standard-tr57-steel-rail.jpg_250x250.jpg

High-quality-America-standard-tr57-steel-rail.jpg_250x250.jpg

660 ms

Railway-spare-parts-tr57-steel-rail.jpg_250x250.jpg

Railway-spare-parts-tr57-steel-rail.jpg_250x250.jpg

700 ms

Railroad-Fastening-Systemer-With-High-Quality.jpg_250x250.jpg

Railroad-Fastening-Systemer-With-High-Quality.jpg_250x250.jpg

608 ms

Hot-sell-factory-price-W-type-clip.jpg_250x250.jpg

Hot-sell-factory-price-W-type-clip.jpg_250x250.jpg

1166 ms

Rail-fastening-system-SKL-14-rail-clip.jpg_250x250.jpg

Rail-fastening-system-SKL-14-rail-clip.jpg_250x250.jpg

1150 ms

Concrete-sleeper-WJ7-railway-fastener-system.jpg_250x250.jpg

Concrete-sleeper-WJ7-railway-fastener-system.jpg_250x250.jpg

1748 ms

Railroad-Fastener-Hot-Dog-Spike-Nails.jpg_250x250.jpg

Railroad-Fastener-Hot-Dog-Spike-Nails.jpg_250x250.jpg

1221 ms

Track-components-BS80R-Rail-Anchors-and-Rail.jpg_250x250.jpg

Track-components-BS80R-Rail-Anchors-and-Rail.jpg_250x250.jpg

2327 ms

Concrete-Sleeper-Mould-Parts-Railroad-Casting-for.jpg_250x250.jpg

Concrete-Sleeper-Mould-Parts-Railroad-Casting-for.jpg_250x250.jpg

1523 ms

Metro-Rail-Wagon-Brake-Shoe.jpg_350x350.jpg

Metro-Rail-Wagon-Brake-Shoe.jpg_350x350.jpg

1620 ms

Factory-direct-supply-Railway-Rubber-Crossing-Panel.jpg_350x350.jpg

Factory-direct-supply-Railway-Rubber-Crossing-Panel.jpg_350x350.jpg

1628 ms

Railway-locomotives-UIC60-rail-fish-plate-for.png_350x350.jpg

Railway-locomotives-UIC60-rail-fish-plate-for.png_350x350.jpg

2608 ms

China-Manufacturer-Crane-Steel-Rails.jpg_350x350.jpg

China-Manufacturer-Crane-Steel-Rails.jpg_350x350.jpg

1918 ms

China-Manufacturer-Crane-Steel-Rails.jpg_480x480.jpg

China-Manufacturer-Crane-Steel-Rails.jpg_480x480.jpg

2614 ms

High-quality-America-standard-tr57-steel-rail.jpg_350x350.jpg

High-quality-America-standard-tr57-steel-rail.jpg_350x350.jpg

2107 ms

Railway-Steel-Rail-Internationally-Common-Standard-Rail.jpg_350x350.jpg

Railway-Steel-Rail-Internationally-Common-Standard-Rail.jpg_350x350.jpg

2457 ms

12kg-15kg-18kg-Light-Rail-Steel-Railway.jpg_350x350.jpg

12kg-15kg-18kg-Light-Rail-Steel-Railway.jpg_350x350.jpg

3429 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

447 ms

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

475 ms

wu.json

wu.json

326 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

472 ms

eg.js

eg.js

2 ms

index.js

index.js

54 ms

Accessibility Review

jzfastener.en.alibaba.com accessibility score

70

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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

jzfastener.en.alibaba.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jzfastener.en.alibaba.com 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

Image elements do not have [alt] attributes

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 doesn't use 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 Jzfastener.en.alibaba.com 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 Jzfastener.en.alibaba.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

jzfastener.en.alibaba.com

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