Access 52maps.com. 52maps.com

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.197

62/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

52maps.com

1448 ms

bootstrap.min.css

845 ms

public.css

426 ms

jquery-1.10.2.min.js

1054 ms

bootstrap.min.js

893 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 15% of them (9 requests) were addressed to the original 52maps.com, 41% (24 requests) were made to P.zhuna.cn and 20% (12 requests) were made to Upload.17u.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source P.zhuna.cn.

Content Size

485.0 kB

After Optimization

258.8 kB

In fact, the total size of 52maps.com main page is 485.0 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. 35% of websites need less resources to load. Javascripts take 207.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.3 kB

Original 28.9 kB
After minification 28.0 kB
After compression 6.7 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 22.3 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 3.8 kB

Original 124.7 kB
After minification 120.9 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. 52 Maps images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 96.0 kB

Original 207.0 kB
After minification 206.8 kB
After compression 111.0 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 96.0 kB or 46% of the original size.

CSS Optimization

-84%

Potential reduce by 104.1 kB

Original 124.4 kB
After minification 123.2 kB
After compression 20.3 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. 52maps.com needs all CSS files to be minified and compressed as it can save up to 104.1 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 52 Maps. 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 Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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.

High

Buttons do not have an accessible name

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

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 52maps.com 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 English. Our system also found out that 52maps.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

52maps.com

Open Graph description is not detected on the main page of 52 Maps. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

52maps.com

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

52maps.com

bootstrap.min.css

public.css

jquery-1.10.2.min.js

bootstrap.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

52maps.com

bootstrap.min.css

public.css

jquery-1.10.2.min.js

bootstrap.min.js

adsbygoogle.js

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