Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

52maps.com

卫星地图 -我爱地图

Page Load Speed

1.3 sec in total

First Response

509 ms

Resources Loaded

739 ms

Page Rendered

83 ms

About Website

Visit 52maps.com now to see the best up-to-date 52 Maps content for China and also check out these interesting facts you probably never knew about 52maps.com

我爱地图收集整理了北京地图、上海地图、广东、浙江、江苏、山东、河北、河南、湖北、四川、重庆等中国各省最新卫星地图高清晰2024版,广州地图、深圳、天津、杭州、南京等热门城市高清晰卫星地图和介绍,除了中国地图,亚洲、欧洲、美洲、非洲、大洋洲等世界各洲国家地图及其首都卫星地图也已整理！

Visit 52maps.com

Key Findings

We analyzed 52maps.com page load time and found that the first response time was 509 ms and then it took 822 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

52maps.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

52maps.com

509 ms

diqiu200.jpg

215 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to 52maps.com and no external sources were called. The less responsive or slowest element that took the longest time to load (509 ms) belongs to the original domain 52maps.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 650 B (4%)

Content Size

14.7 kB

After Optimization

14.0 kB

  • HTML
  • Images

In fact, the total size of 52maps.com main page is 14.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 13.5 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 650 B

  • Original 1.2 kB
  • After minification 1.1 kB
  • After compression 534 B

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 650 B or 55% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 13.5 kB
  • After minification 13.5 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.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 52 Maps. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

52maps.com accessibility score

46

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

52maps.com 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

Serves images with low resolution

SEO Factors

52maps.com SEO score

58

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    N/A

  • 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) and no language is claimed in <html> or <meta> tags either. 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

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: