Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

epcconference.org

电位器_轻触开关_USB连接器_广东精密龙电子科技有限公司

Page Load Speed

3.1 sec in total

First Response

55 ms

Resources Loaded

3 sec

Page Rendered

83 ms

About Website

Click here to check amazing Epcconference content. Otherwise, check out these important facts you probably never knew about epcconference.org

精密龙电子拥有多年的电位器、轻触开关的生产经验,公司开创的精密龙电位器等产品得到了广大客户的一致好评,轻触型开关的研发、生产和销售都处于行业领先地位。

Visit epcconference.org

Key Findings

We analyzed Epcconference.org page load time and found that the first response time was 55 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

epcconference.org performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value260 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

epcconference.org

55 ms

epcconference.org

139 ms

1221 ms

pc.css

1235 ms

pc-mod.css

1236 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 8% of them (4 requests) were addressed to the original Epcconference.org, 42% (21 requests) were made to Lzd-img-global.slatic.net and 30% (15 requests) were made to G.lazcdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source G.lazcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 562.7 kB (32%)

Content Size

1.8 MB

After Optimization

1.2 MB

In fact, the total size of Epcconference.org main page is 1.8 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. Javascripts take 776.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 362.9 kB

  • Original 448.8 kB
  • After minification 448.7 kB
  • After compression 85.9 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 362.9 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 27.0 kB

  • Original 447.0 kB
  • After minification 420.0 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. Epcconference images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 170.1 kB

  • Original 776.4 kB
  • After minification 776.4 kB
  • After compression 606.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 170.1 kB or 22% of the original size.

CSS Optimization

-3%

Potential reduce by 2.6 kB

  • Original 83.9 kB
  • After minification 83.9 kB
  • After compression 81.3 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. Epcconference.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (45%)

Requests Now

44

After Optimization

24

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Epcconference. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

epcconference.org accessibility score

57

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

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

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

epcconference.org best practices score

83

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

epcconference.org SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 uses legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ID

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Epcconference.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is . Our system also found out that Epcconference.org 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 Epcconference. 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: