Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

7788qb.997788.com

七七八八钱币收藏---钱币,纸币,人民币,硬币,古币,金币,银币,纪念币,金银币,国库券,外汇券,错币,收藏,收集,交易,拍卖 ,批发

Page Load Speed

32.6 sec in total

First Response

15.7 sec

Resources Loaded

16.4 sec

Page Rendered

410 ms

7788qb.997788.com screenshot

About Website

Welcome to 7788qb.997788.com homepage info - get ready to check 7788 Qb 997788 best content for China right away, or after learning these important things about 7788qb.997788.com

七七八八钱币收藏---钱币,纸币,人民币,硬币,古币,金币,银币,纪念币,金银币,国库券,外汇券,错币,收藏,收集,交易,拍卖 ,批发

Visit 7788qb.997788.com

Key Findings

We analyzed 7788qb.997788.com page load time and found that the first response time was 15.7 sec and then it took 16.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

7788qb.997788.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

7788qb.997788.com

15743 ms

main.css

649 ms

index_css.css

657 ms

dtree.css

716 ms

js_search.js

717 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 26% of them (25 requests) were addressed to the original 7788qb.997788.com, 48% (47 requests) were made to Pic1.997788.com and 13% (13 requests) were made to Pic9.997788.com. The less responsive or slowest element that took the longest time to load (15.7 sec) belongs to the original domain 7788qb.997788.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.0 kB (52%)

Content Size

327.7 kB

After Optimization

155.7 kB

In fact, the total size of 7788qb.997788.com main page is 327.7 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. 20% of websites need less resources to load. Images take 156.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 113.7 kB

  • Original 131.8 kB
  • After minification 120.7 kB
  • After compression 18.1 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 113.7 kB or 86% of the original size.

Image Optimization

-18%

Potential reduce by 28.8 kB

  • Original 156.1 kB
  • After minification 127.3 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, 7788 Qb 997788 needs image optimization as it can save up to 28.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 23.9 kB

  • Original 32.2 kB
  • After minification 24.6 kB
  • After compression 8.3 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 23.9 kB or 74% of the original size.

CSS Optimization

-73%

Potential reduce by 5.6 kB

  • Original 7.6 kB
  • After minification 5.6 kB
  • After compression 2.0 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. 7788qb.997788.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (43%)

Requests Now

97

After Optimization

55

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 7788 Qb 997788. 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.

Accessibility Review

7788qb.997788.com accessibility score

74

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

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

7788qb.997788.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

7788qb.997788.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

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 7788qb.997788.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 7788qb.997788.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

Open Graph description is not detected on the main page of 7788 Qb 997788. 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: