Tools & Wizards About Us
nan-steel.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

nan-steel.com

Seamless Steel Pipe | Welded Steel Pipe | Stainless Steel | Nansteel Manufacturing Co.,Ltd

Page Load Speed

4.6 sec in total

First Response

384 ms

Resources Loaded

3.8 sec

Page Rendered

425 ms

nan-steel.com screenshot

About Website

Click here to check amazing Nansteel content for Hong Kong. Otherwise, check out these important facts you probably never knew about nan-steel.com

Nansteel Manufacturing Co.,Ltd manufacture and supply differenet steel products, like seamless steel pipe, carbon steel pipe, stainless steel pipe, casing etc.

Visit nan-steel.com

Key Findings

We analyzed Nan-steel.com page load time and found that the first response time was 384 ms and then it took 4.2 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

nan-steel.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.123

83/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

nan-steel.com

384 ms

www.nan-steel.com

359 ms

www.nan-steel.com

517 ms

font.css

72 ms

public.css

143 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 88% of them (67 requests) were addressed to the original Nan-steel.com, 5% (4 requests) were made to Googletagmanager.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Nan-steel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.2 kB (3%)

Content Size

2.5 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nan-steel.com main page is 2.5 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 29.4 kB

  • Original 37.3 kB
  • After minification 31.3 kB
  • After compression 8.0 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 6.0 kB, which is 16% 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 29.4 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 5.8 kB

  • Original 2.4 MB
  • After minification 2.4 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. Nansteel images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 41.6 kB

  • Original 119.5 kB
  • After minification 98.9 kB
  • After compression 77.9 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 41.6 kB or 35% of the original size.

CSS Optimization

-16%

Potential reduce by 2.4 kB

  • Original 15.3 kB
  • After minification 15.3 kB
  • After compression 12.9 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. Nan-steel.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (24%)

Requests Now

72

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nansteel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nan-steel.com

nan-steel.com

384 ms

www.nan-steel.com

www.nan-steel.com

359 ms

www.nan-steel.com

www.nan-steel.com

517 ms

font.css

font.css

72 ms

public.css

public.css

143 ms

index.css

index.css

210 ms

owl.carousel.css

owl.carousel.css

209 ms

media.css

media.css

215 ms

jquery.min.js

jquery.min.js

309 ms

index.js

index.js

223 ms

owl.carousel.js

owl.carousel.js

319 ms

jQuery-jcMarquee.js

jQuery-jcMarquee.js

279 ms

jquery.glide.js

jquery.glide.js

279 ms

jquery.carousel-1.js

jquery.carousel-1.js

294 ms

jquery.form.js

jquery.form.js

327 ms

js

js

58 ms

fbevents.js

fbevents.js

53 ms

logo.png

logo.png

83 ms

1685090737.jpg

1685090737.jpg

320 ms

1583481690.jpg

1583481690.jpg

210 ms

1650874116.jpg

1650874116.jpg

195 ms

1650875296.jpg

1650875296.jpg

155 ms

1650875544.jpg

1650875544.jpg

195 ms

thumb1688028696.jpg

thumb1688028696.jpg

531 ms

thumb1687942374.jpg

thumb1687942374.jpg

613 ms

thumb1687860479.jpg

thumb1687860479.jpg

599 ms

1584427951.jpg

1584427951.jpg

274 ms

1584427969.jpg

1584427969.jpg

299 ms

1584427985.jpg

1584427985.jpg

350 ms

1584428406.jpg

1584428406.jpg

397 ms

1584435013.jpg

1584435013.jpg

405 ms

1584428058.jpg

1584428058.jpg

436 ms

1584428037.jpg

1584428037.jpg

483 ms

1584428015.jpg

1584428015.jpg

497 ms

1584434979.jpg

1584434979.jpg

536 ms

1584434604.jpg

1584434604.jpg

574 ms

1584434632.jpg

1584434632.jpg

580 ms

ewm1.jpg

ewm1.jpg

616 ms

ewm2.jpg

ewm2.jpg

616 ms

footer_btn1.png

footer_btn1.png

642 ms

footer_btn2.png

footer_btn2.png

649 ms

footer_btn3.png

footer_btn3.png

666 ms

footer_btn4.png

footer_btn4.png

694 ms

footer_btn5.png

footer_btn5.png

694 ms

thumb1709707865.jpg

thumb1709707865.jpg

877 ms

1583129203.jpg

1583129203.jpg

778 ms

gtm.js

gtm.js

77 ms

m_menu1.png

m_menu1.png

727 ms

1650446117.jpg

1650446117.jpg

1677 ms

1650439384.jpg

1650439384.jpg

2140 ms

1650442369.jpg

1650442369.jpg

1988 ms

right.png

right.png

780 ms

left.png

left.png

829 ms

dot.png

dot.png

865 ms

1584344723.jpg

1584344723.jpg

1492 ms

js

js

69 ms

analytics.js

analytics.js

29 ms

destination

destination

98 ms

font.woff

font.woff

850 ms

1583389059.jpg

1583389059.jpg

1434 ms

1583388033.jpg

1583388033.jpg

1346 ms

1583380776.jpg

1583380776.jpg

1827 ms

in_adv.jpg

in_adv.jpg

1854 ms

in_adv11.png

in_adv11.png

1422 ms

in_adv2.png

in_adv2.png

1477 ms

in_adv3.png

in_adv3.png

1462 ms

in_adv4.png

in_adv4.png

1519 ms

in_adv5.png

in_adv5.png

1522 ms

in_adv6.png

in_adv6.png

1567 ms

footer_ico1.png

footer_ico1.png

1534 ms

footer_ico2.png

footer_ico2.png

1578 ms

footer_ico3.png

footer_ico3.png

1555 ms

collect

collect

8 ms

landing

landing

73 ms

collect

collect

6 ms

fullcalendar.print.css

fullcalendar.print.css

73 ms

Accessibility Review

nan-steel.com accessibility score

61

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.

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

nan-steel.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

SEO Factors

nan-steel.com SEO score

75

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nan-steel.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 Nan-steel.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

nan-steel.com

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