Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

Page Load Speed

194 sec in total

First Response

9.2 sec

Resources Loaded

184.4 sec

Page Rendered

395 ms

byby.39.net screenshot

About Website

Visit byby.39.net now to see the best up-to-date Byby 39 content for Mexico and also check out these interesting facts you probably never knew about byby.39.net

Visit byby.39.net

Key Findings

We analyzed Byby.39.net page load time and found that the first response time was 9.2 sec and then it took 184.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 54 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

byby.39.net performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.593

11/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

Network Requests Diagram

byby.39.net

9206 ms

39base.css

6124 ms

channel_main2011.css

8155 ms

jquery-1.4.1.min.js

2854 ms

mouseonclick.js

709 ms

Our browser made a total of 453 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Byby.39.net, 42% (190 requests) were made to Image.39.net and 15% (68 requests) were made to Pimg.39.net. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Image.39.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 805.4 kB (35%)

Content Size

2.3 MB

After Optimization

1.5 MB

In fact, the total size of Byby.39.net main page is 2.3 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 115.4 kB

  • Original 145.5 kB
  • After minification 132.0 kB
  • After compression 30.2 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 115.4 kB or 79% of the original size.

Image Optimization

-13%

Potential reduce by 187.0 kB

  • Original 1.5 MB
  • After minification 1.3 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. Obviously, Byby 39 needs image optimization as it can save up to 187.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 385.9 kB

  • Original 560.0 kB
  • After minification 533.4 kB
  • After compression 174.2 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 385.9 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 117.3 kB

  • Original 138.8 kB
  • After minification 119.5 kB
  • After compression 21.5 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. Byby.39.net needs all CSS files to be minified and compressed as it can save up to 117.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 105 (27%)

Requests Now

386

After Optimization

281

The browser has sent 386 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Byby 39. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 56 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

byby.39.net accessibility score

55

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

byby.39.net 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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

byby.39.net 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

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Byby.39.net 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 Byby.39.net 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 Byby 39. 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: