Access 500d.me. 五百丁简历-全国领先的专业简历制作平台，支持手机在线编辑，智能高效，海量精美模板，HR专家推荐使用

name

value

score

weighting

FCP (First Contentful Paint)

Value11.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value24.3 s

0/100

10%

TBT (Total Blocking Time)

Value6,170 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

500d.me

6002 ms

www.500d.me

7770 ms

animate.css

5572 ms

style.css

16913 ms

new.css

19760 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original 500d.me, 81% (83 requests) were made to Static.500d.me and 4% (4 requests) were made to Tjs.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Static.500d.me.

Content Size

1.9 MB

After Optimization

992.3 kB

In fact, the total size of 500d.me main page is 1.9 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 42.9 kB

Original 53.2 kB
After minification 46.0 kB
After compression 10.4 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. This page needs HTML code to be minified as it can gain 7.2 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 42.9 kB or 81% of the original size.

Image Optimization

-37%

Potential reduce by 515.0 kB

Original 1.4 MB
After minification 871.5 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. Obviously, 500D needs image optimization as it can save up to 515.0 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 82.1 kB

Original 150.3 kB
After minification 126.8 kB
After compression 68.2 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 82.1 kB or 55% of the original size.

CSS Optimization

-88%

Potential reduce by 301.7 kB

Original 344.0 kB
After minification 333.4 kB
After compression 42.3 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. 500d.me needs all CSS files to be minified and compressed as it can save up to 301.7 kB or 88% of the original size.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 500D. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

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 doesn't use legible font sizes

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 500d.me 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 500d.me 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

500d.me

Open Graph description is not detected on the main page of 500D. 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

五百丁简历-全国领先的专业简历制作平台，支持手机在线编辑，智能高效，海量精美模板，HR专家推荐使用_500D.ME

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

500d.me

www.500d.me

animate.css

style.css

new.css

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

500d.me

www.500d.me

animate.css

style.css

new.css

jquery-1.8.0.js

common.js

utils.js

wb.js

logo_login.png

gouwuche.png

default.jpg

home_title.png

home_word.png

home_web.png

home_mobile.png

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