Tools & Wizards About Us
ccebbs.com screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

ccebbs.com

中国化学化工论坛-化学论坛,化工论坛,实验论坛

Page Load Speed

11 sec in total

First Response

3.6 sec

Resources Loaded

7.2 sec

Page Rendered

233 ms

ccebbs.com screenshot

About Website

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

讨论化学问题,化工问题的专业论坛,具体涉及化学软件,化学论坛,化工论坛,有机化学,无机化学,分析化学,纳米

Visit ccebbs.com

Key Findings

We analyzed Ccebbs.com page load time and found that the first response time was 3.6 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ccebbs.com performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

ccebbs.com

3629 ms

web_font.css

715 ms

topleft.gif

491 ms

51.jpg

494 ms

announce.gif

499 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 54% of them (13 requests) were addressed to the original Ccebbs.com, 46% (11 requests) were made to Ccebbs.com.img.800cdn.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Ccebbs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.1 kB (60%)

Content Size

73.7 kB

After Optimization

29.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Ccebbs.com main page is 73.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. HTML takes 43.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 35.9 kB

  • Original 43.7 kB
  • After minification 39.8 kB
  • After compression 7.8 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 35.9 kB or 82% of the original size.

Image Optimization

-25%

Potential reduce by 7.0 kB

  • Original 28.3 kB
  • After minification 21.3 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. Obviously, Ccebbs needs image optimization as it can save up to 7.0 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-72%

Potential reduce by 1.2 kB

  • Original 1.7 kB
  • After minification 1.3 kB
  • After compression 494 B

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. Ccebbs.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ccebbs. According to our analytics all requests are already optimized.

Network Requests Diagram

ccebbs.com

ccebbs.com

3629 ms

web_font.css

web_font.css

715 ms

topleft.gif

topleft.gif

491 ms

51.jpg

51.jpg

494 ms

announce.gif

announce.gif

499 ms

jinyi.gif

jinyi.gif

508 ms

aokai.gif

aokai.gif

509 ms

wenxian.gif

wenxian.gif

767 ms

ad.gif

ad.gif

768 ms

topleft.gif

topleft.gif

894 ms

51.jpg

51.jpg

2943 ms

announce.gif

announce.gif

2480 ms

jinyi.gif

jinyi.gif

1581 ms

aokai.gif

aokai.gif

2049 ms

toplink.gif

toplink.gif

301 ms

orange.gif

orange.gif

292 ms

silver.gif

silver.gif

252 ms

blue.gif

blue.gif

256 ms

wenxian.gif

wenxian.gif

1535 ms

ad.gif

ad.gif

1419 ms

silver.gif

silver.gif

2160 ms

blue.gif

blue.gif

2025 ms

orange.gif

orange.gif

1795 ms

toplink.gif

toplink.gif

2500 ms

Accessibility Review

ccebbs.com accessibility score

54

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

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

ccebbs.com best practices score

75

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

Serves images with low resolution

SEO Factors

ccebbs.com SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ccebbs.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Ccebbs.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ccebbs.com

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