Tools & Wizards About Us
regexchina.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

regexchina.com

中文字幕亚洲无线码一区,国产欧美国日产,国产 日韩 欧美 高清 亚洲,可以直接观看的AV在线观看,最近中文字幕,亚洲精品无码一区二区三区,人妻无码不卡在线视频

Page Load Speed

37.1 sec in total

First Response

7 sec

Resources Loaded

24.4 sec

Page Rendered

5.8 sec

regexchina.com screenshot

About Website

Visit regexchina.com now to see the best up-to-date Regexchina content and also check out these interesting facts you probably never knew about regexchina.com

蜜臀av,中文字幕亚洲无线码一区,国产欧美国日产,国产 日韩 欧美 高清 亚洲,可以直接观看的AV在线观看,最近中文字幕,亚洲精品无码一区二区三区,人妻无码不卡在线视频,a级伦理做爱免费大全,国内免费久久这里有精品在线播放,呻吟娇喘啪啪电影,好屌草这里只有精品分享,亚洲东京热无码久久久,国产另类综合一区,韩国啪啪麻豆三级片,亚洲暖暖日本在线观看,哪个网站有爱情动作片,欧美日韩视费观看视频手机版

Visit regexchina.com

Key Findings

We analyzed Regexchina.com page load time and found that the first response time was 7 sec and then it took 30.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

regexchina.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value250 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

www.regexchina.com

6970 ms

style.css

139 ms

jquery.min.js

230 ms

common.js

133 ms

jquery.lazyload.js

151 ms

Our browser made a total of 251 requests to load all elements on the main page. We found that 8% of them (19 requests) were addressed to the original Regexchina.com, 33% (84 requests) were made to Ljcdn.comtucdncom.com and 29% (72 requests) were made to Fmlb.netlbtu.com. The less responsive or slowest element that took the longest time to load (7 sec) belongs to the original domain Regexchina.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.8 kB (4%)

Content Size

7.0 MB

After Optimization

6.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Regexchina.com main page is 7.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 127.5 kB

  • Original 168.6 kB
  • After minification 149.3 kB
  • After compression 41.1 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. This page needs HTML code to be minified as it can gain 19.3 kB, which is 11% 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 127.5 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 127.1 kB

  • Original 6.7 MB
  • After minification 6.6 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. Regexchina images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 6.2 kB

  • Original 44.5 kB
  • After minification 44.1 kB
  • After compression 38.3 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 6.2 kB or 14% of the original size.

CSS Optimization

-27%

Potential reduce by 2.0 kB

  • Original 7.7 kB
  • After minification 7.7 kB
  • After compression 5.7 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. Regexchina.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (7%)

Requests Now

173

After Optimization

161

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 173 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Regexchina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.regexchina.com

www.regexchina.com

6970 ms

style.css

style.css

139 ms

jquery.min.js

jquery.min.js

230 ms

common.js

common.js

133 ms

jquery.lazyload.js

jquery.lazyload.js

151 ms

tj.js

tj.js

152 ms

top-nav.js

top-nav.js

187 ms

pcss.js

pcss.js

193 ms

pcdh.js

pcdh.js

196 ms

webdh.js

webdh.js

202 ms

webss.js

webss.js

458 ms

ggshang54.js

ggshang54.js

458 ms

ggshang54.php

ggshang54.php

6522 ms

ggshipin.js

ggshipin.js

459 ms

footer.js

footer.js

396 ms

hm.js

hm.js

1796 ms

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Accessibility Review

regexchina.com 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.

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

High

[lang] attributes do not have a valid value

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

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>).

Best Practices

regexchina.com best practices score

50

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

regexchina.com SEO score

85

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

    UTF-8

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

regexchina.com

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