Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

bc.tech-ex.com

资讯频道_科讯网

Page Load Speed

50.3 sec in total

First Response

6.4 sec

Resources Loaded

43.4 sec

Page Rendered

504 ms

bc.tech-ex.com screenshot

About Website

Welcome to bc.tech-ex.com homepage info - get ready to check Bc Tech Ex best content for China right away, or after learning these important things about bc.tech-ex.com

科讯网是以科技资讯和信息传播为主业的综合性网络媒体,为公众提供科技资讯、互联网资讯、产品评测、驱动下载、科技等领域精彩资讯。

Visit bc.tech-ex.com

Key Findings

We analyzed Bc.tech-ex.com page load time and found that the first response time was 6.4 sec and then it took 43.9 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 were 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bc.tech-ex.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

bc.tech-ex.com

6425 ms

defaultcss3.css

633 ms

fontello.css

1094 ms

common.css

14690 ms

menu.css

944 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 90% of them (56 requests) were addressed to the original Bc.tech-ex.com, 5% (3 requests) were made to Hm.baidu.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Bc.tech-ex.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.2 kB (34%)

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Bc.tech-ex.com main page is 1.5 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. 20% of websites need less resources to load. Images take 848.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 60.6 kB

  • Original 76.9 kB
  • After minification 60.9 kB
  • After compression 16.4 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 16.1 kB, which is 21% 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 60.6 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 38.7 kB

  • Original 848.1 kB
  • After minification 809.4 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. Bc Tech Ex images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 321.2 kB

  • Original 489.0 kB
  • After minification 425.7 kB
  • After compression 167.9 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 321.2 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 90.8 kB

  • Original 108.9 kB
  • After minification 88.0 kB
  • After compression 18.0 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. Bc.tech-ex.com needs all CSS files to be minified and compressed as it can save up to 90.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (38%)

Requests Now

50

After Optimization

31

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bc Tech Ex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bc.tech-ex.com accessibility score

64

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.

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

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

bc.tech-ex.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bc.tech-ex.com SEO score

92

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bc.tech-ex.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Bc.tech-ex.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 Bc Tech Ex. 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: