Tools & Wizards About Us

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

nboulai.com

宁波欧莱建筑五金有限公司_PVC把手系列_面板执手系列_铰链系列_PVC内平开门窗五金系列_传动器系列_月牙锁系列_铝合金内平开门窗五金系列_铝合金把手系列_锁体、锁芯系列_中东款_铝木复合门窗五金_滑轮系列

Page Load Speed

4.3 sec in total

First Response

295 ms

Resources Loaded

3.2 sec

Page Rendered

729 ms

About Website

Visit nboulai.com now to see the best up-to-date Nboulai content and also check out these interesting facts you probably never knew about nboulai.com

宁波欧莱建筑五金有限公司是一家有着 20 多年历史的门窗五金件制造商, 公司先后从发达国家和地区引进技术、设备及工艺，经过不断的改良和创新，具有产品设计及模具开发、冲压、压铸、注塑、表面装饰、装配于一体的完整生产链。电话:0574-63319698

Visit nboulai.com

Key Findings

We analyzed Nboulai.com page load time and found that the first response time was 295 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

nboulai.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.687

7/100

15%

TTI (Time to Interactive)

Value6.3 s

60/100

10%

Network Requests Diagram

nboulai.com

295 ms

nboulai.com

67 ms

www.nboulai.com

603 ms

styles.css

27 ms

wp-ulike.min.css

35 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 99% of them (93 requests) were addressed to the original Nboulai.com, 1% (1 request) were made to Pv.sohu.com. The less responsive or slowest element that took the longest time to load (603 ms) belongs to the original domain Nboulai.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 457.4 kB (10%)

Content Size

4.5 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nboulai.com main page is 4.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 433.6 kB

  • Original 450.3 kB
  • After minification 441.3 kB
  • After compression 16.7 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. 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 433.6 kB or 96% of the original size.

Image Optimization

-0%

Potential reduce by 5.9 kB

  • Original 3.9 MB
  • After minification 3.8 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. Nboulai images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 15.0 kB

  • Original 125.7 kB
  • After minification 125.7 kB
  • After compression 110.8 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 15.0 kB or 12% of the original size.

CSS Optimization

-7%

Potential reduce by 2.8 kB

  • Original 40.1 kB
  • After minification 40.1 kB
  • After compression 37.2 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. Nboulai.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (26%)

Requests Now

87

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nboulai. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nboulai.com accessibility score

79

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

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

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

nboulai.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

nboulai.com SEO score

98

Search Engine Optimization Advices

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 Nboulai.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 Nboulai.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

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