Tools & Wizards About Us
lc511.com screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

lc511.com

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Page Load Speed

19.5 sec in total

First Response

578 ms

Resources Loaded

10.8 sec

Page Rendered

8.1 sec

lc511.com screenshot

About Website

Welcome to lc511.com homepage info - get ready to check Lc 511 best content right away, or after learning these important things about lc511.com

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Visit lc511.com

Key Findings

We analyzed Lc511.com page load time and found that the first response time was 578 ms and then it took 18.9 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

lc511.com performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value32.6 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value16,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.325

35/100

15%

TTI (Time to Interactive)

Value33.0 s

0/100

10%

Network Requests Diagram

index.php

578 ms

animate.css,iconfont.css,bootstrap.min.css,response.min.css

1918 ms

site_impt_r.css

2130 ms

page_impt_home.css

2781 ms

tj.js

126 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 24% of them (12 requests) were addressed to the original Lc511.com, 32% (16 requests) were made to Img4.yun300.cn and 26% (13 requests) were made to Static4.yun300.cn. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source Img4.yun300.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.3 kB (7%)

Content Size

3.8 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lc511.com main page is 3.8 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. 65% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 84.3 kB

  • Original 96.7 kB
  • After minification 63.2 kB
  • After compression 12.4 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 33.5 kB, which is 35% 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 84.3 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 163.3 kB

  • Original 3.6 MB
  • After minification 3.5 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. Lc 511 images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 104 B

  • Original 433 B
  • After minification 431 B
  • After compression 329 B

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 104 B or 24% of the original size.

CSS Optimization

-6%

Potential reduce by 6.5 kB

  • Original 111.2 kB
  • After minification 111.2 kB
  • After compression 104.6 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. Lc511.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (19%)

Requests Now

42

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lc 511. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

index.php

index.php

578 ms

animate.css,iconfont.css,bootstrap.min.css,response.min.css

animate.css,iconfont.css,bootstrap.min.css,response.min.css

1918 ms

site_impt_r.css

site_impt_r.css

2130 ms

page_impt_home.css

page_impt_home.css

2781 ms

tj.js

tj.js

126 ms

common.js

common.js

158 ms

21333845.js

21333845.js

1370 ms

21201581.js

21201581.js

2380 ms

t3.png

t3.png

1237 ms

525_top_ewm.png

525_top_ewm.png

1110 ms

search.html

search.html

1229 ms

rBQBHVzM4miEd-WfAAAAAN2ZxQ8453.png

rBQBHVzM4miEd-WfAAAAAN2ZxQ8453.png

1222 ms

I0hKMQoQT3C_xtYqmnz0gg.jpg

I0hKMQoQT3C_xtYqmnz0gg.jpg

1452 ms

t8.jpg

t8.jpg

1088 ms

t4.png

t4.png

1086 ms

t11101.jpg

t11101.jpg

1353 ms

camera.png

camera.png

1120 ms

3YYoJsoRT8Cpw3sP3tMVdg.jpg

3YYoJsoRT8Cpw3sP3tMVdg.jpg

1792 ms

FdWqEph_RR6on_2W5hTrsg.jpg

FdWqEph_RR6on_2W5hTrsg.jpg

2326 ms

GxHxPYYiSUWnA-XjpsGtDg.jpg

GxHxPYYiSUWnA-XjpsGtDg.jpg

2326 ms

2wU9E8mBTwWUt6sFdFGisg.jpg

2wU9E8mBTwWUt6sFdFGisg.jpg

2326 ms

53fb8112-ba1e-4a51-95cc-ab44f4bf8dc7.jpg

53fb8112-ba1e-4a51-95cc-ab44f4bf8dc7.jpg

4349 ms

qYKk8f4jR1Wphy72lmv-vQ.jpg

qYKk8f4jR1Wphy72lmv-vQ.jpg

1777 ms

Eqxjv4MkQHCAsOKCv0RS3w.jpg

Eqxjv4MkQHCAsOKCv0RS3w.jpg

2321 ms

ZnCn8IFFT_-DMDIYtLwpOg.jpg

ZnCn8IFFT_-DMDIYtLwpOg.jpg

2429 ms

t14.png

t14.png

2529 ms

h1elxIV2T2GP95sidfS6FQ.jpg

h1elxIV2T2GP95sidfS6FQ.jpg

2650 ms

cVnm659XRietvzYNsggf2g.jpg

cVnm659XRietvzYNsggf2g.jpg

2651 ms

QoqpK3T_Tj26OwcbcIVFmg.jpg

QoqpK3T_Tj26OwcbcIVFmg.jpg

3058 ms

hhuUvUmhR_aFygFcKDFj7g.jpg

hhuUvUmhR_aFygFcKDFj7g.jpg

2647 ms

bottom_l2o.png

bottom_l2o.png

2780 ms

gh.png

gh.png

2817 ms

w2w_logo.jpg

w2w_logo.jpg

1062 ms

ntYglR5HSr2jdYZ0bG5WXQ.jpg

ntYglR5HSr2jdYZ0bG5WXQ.jpg

1097 ms

vsUyf5NwTC6rk7pSWSWkpw.jpg

vsUyf5NwTC6rk7pSWSWkpw.jpg

1098 ms

SfSIR31iS2Ck_h2t8IMXdA.jpg

SfSIR31iS2Ck_h2t8IMXdA.jpg

1116 ms

47CDYoDIR4mAHA3VNG40Bw.jpg

47CDYoDIR4mAHA3VNG40Bw.jpg

1114 ms

s.png

s.png

1059 ms

rBQBHVzM4u6EIbLRAAAAAB-OAgE969.png

rBQBHVzM4u6EIbLRAAAAAB-OAgE969.png

1054 ms

rBQBG1zOxtmED6SCAAAAAOn2YgE121.png

rBQBG1zOxtmED6SCAAAAAOn2YgE121.png

1045 ms

page_impt_search.css

page_impt_search.css

246 ms

tj.js

tj.js

197 ms

rBQBHVzM4miEd-WfAAAAAN2ZxQ8453.png

rBQBHVzM4miEd-WfAAAAAN2ZxQ8453.png

224 ms

rBQBHVzM4u6EIbLRAAAAAB-OAgE969.png

rBQBHVzM4u6EIbLRAAAAAB-OAgE969.png

183 ms

rBQBG1zOxtmED6SCAAAAAOn2YgE121.png

rBQBG1zOxtmED6SCAAAAAOn2YgE121.png

787 ms

iconfont.woff

iconfont.woff

1100 ms

iconfont.woff

iconfont.woff

283 ms

push.js

push.js

523 ms

iconfont.ttf

iconfont.ttf

258 ms

iconfont.svg

iconfont.svg

290 ms

Accessibility Review

lc511.com accessibility score

62

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

lc511.com best practices score

58

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

lc511.com SEO score

74

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

High

Tap targets are not sized appropriately

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 Lc511.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 Lc511.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

lc511.com

Open Graph description is not detected on the main page of Lc 511. 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: