Tools & Wizards About Us
nbc-relays.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

nbc-relays.com

Power Relays, Electronic Components, Relay manufacturer in China, new energy battary, signal relay, AC relay, automotive relay

Page Load Speed

21.9 sec in total

First Response

343 ms

Resources Loaded

21.2 sec

Page Rendered

388 ms

nbc-relays.com screenshot

About Website

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

Baocheng export excellent New energy relay, Power Relay, telecom relay and automotive relays. With 20 years relays research and manufacture experience and the research team composed by top Industrial ...

Visit nbc-relays.com

Key Findings

We analyzed Nbc-relays.com page load time and found that the first response time was 343 ms and then it took 21.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nbc-relays.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.259

47/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

nbc-relays.com

343 ms

www.nbc-relays.com

435 ms

index.css

80 ms

jquery.js

144 ms

SuperSlide.js

117 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 99% of them (74 requests) were addressed to the original Nbc-relays.com, 1% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source .

Page Optimization Overview & Recommendations

Page size can be reduced by 198.6 kB (6%)

Content Size

3.1 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nbc-relays.com main page is 3.1 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. 35% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 30.4 kB

  • Original 37.0 kB
  • After minification 29.4 kB
  • After compression 6.5 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 7.5 kB, which is 20% 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 30.4 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 161.6 kB

  • Original 2.9 MB
  • After minification 2.8 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. Nbc Relays images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 5.2 kB

  • Original 101.6 kB
  • After minification 101.6 kB
  • After compression 96.3 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

-14%

Potential reduce by 1.3 kB

  • Original 9.6 kB
  • After minification 9.6 kB
  • After compression 8.3 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. Nbc-relays.com needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (12%)

Requests Now

67

After Optimization

59

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbc Relays. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nbc-relays.com

nbc-relays.com

343 ms

www.nbc-relays.com

www.nbc-relays.com

435 ms

index.css

index.css

80 ms

jquery.js

jquery.js

144 ms

SuperSlide.js

SuperSlide.js

117 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

153 ms

donghua.js

donghua.js

119 ms

html51.js

html51.js

160 ms

love.js

love.js

120 ms

qiehuan.js

qiehuan.js

172 ms

form1.js

form1.js

217 ms

lang.js

lang.js

217 ms

head-bg.png

head-bg.png

79 ms

logo.png

logo.png

90 ms

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661392f7ca63b.png

80 ms

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661392ebb241c.png

79 ms

downarrow.png

downarrow.png

77 ms

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20170314055519676.jpg

102 ms

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156 ms

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122 ms

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159 ms

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125 ms

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130 ms

search.png

search.png

140 ms

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228 ms

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195 ms

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232 ms

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247 ms

index-relays-bg.png

index-relays-bg.png

382 ms

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340 ms

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271 ms

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312 ms

index-about-bg.png

index-about-bg.png

335 ms

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294 ms

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322 ms

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330 ms

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345 ms

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354 ms

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366 ms

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367 ms

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about-left.png

385 ms

about-right.png

about-right.png

425 ms

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393 ms

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412 ms

PROXIMASANSMEDIUM.woff

PROXIMASANSMEDIUM.woff

372 ms

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bullet-24-24-4.png

20158 ms

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361 ms

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365 ms

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370 ms

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373 ms

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381 ms

reanod.png

reanod.png

421 ms

analysics.png

analysics.png

421 ms

kefu-wechat.jpg

kefu-wechat.jpg

405 ms

wx.png

wx.png

442 ms

kefu-linkedin.png

kefu-linkedin.png

388 ms

kefu-skype.jpg

kefu-skype.jpg

403 ms

kefu-qq.jpg

kefu-qq.jpg

399 ms

h-site.png

h-site.png

434 ms

h-phone.png

h-phone.png

425 ms

h-tel.png

h-tel.png

392 ms

h-printer.png

h-printer.png

350 ms

h-mail.png

h-mail.png

363 ms

h-skype.png

h-skype.png

368 ms

ovalon.png

ovalon.png

376 ms

oval.png

oval.png

352 ms

Calender.png

Calender.png

329 ms

in.png

in.png

321 ms

twitter.png

twitter.png

334 ms

skype.png

skype.png

347 ms

qq.png

qq.png

351 ms

playvideo-64-64-0.png

playvideo-64-64-0.png

355 ms

arrows.png

arrows.png

325 ms

error_html

error_html

164 ms

error_html

error_html

159 ms

Accessibility Review

nbc-relays.com accessibility score

46

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

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>).

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

nbc-relays.com best practices score

67

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nbc-relays.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 Nbc-relays.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 Nbc-relays.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

nbc-relays.com

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