Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

c515.com

南宁男科医院_南宁长江医院_南宁好的男科医院_南宁治疗阳痿早泄医院

Page Load Speed

9.2 sec in total

First Response

846 ms

Resources Loaded

8.1 sec

Page Rendered

309 ms

c515.com screenshot

About Website

Welcome to c515.com homepage info - get ready to check C 515 best content right away, or after learning these important things about c515.com

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Visit c515.com

Key Findings

We analyzed C515.com page load time and found that the first response time was 846 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

c515.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.291

41/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

c515.com

846 ms

www.c515.com

1101 ms

jquery.min.js

588 ms

style.css

425 ms

index.css

434 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 86% of them (134 requests) were addressed to the original C515.com, 9% (14 requests) were made to Nncjnkyy.com and 2% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain C515.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.7 kB (7%)

Content Size

2.5 MB

After Optimization

2.3 MB

In fact, the total size of C515.com main page is 2.5 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. 70% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 84.6 kB

  • Original 103.1 kB
  • After minification 77.0 kB
  • After compression 18.4 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 26.1 kB, which is 25% 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 84.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 36.7 kB

  • Original 2.2 MB
  • After minification 2.2 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. C 515 images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 59.4 kB

  • Original 144.0 kB
  • After minification 142.6 kB
  • After compression 84.7 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 59.4 kB or 41% of the original size.

CSS Optimization

-23%

Potential reduce by 3.0 kB

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 10.0 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. C515.com needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (11%)

Requests Now

148

After Optimization

131

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C 515. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

c515.com accessibility score

54

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

c515.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

c515.com SEO score

92

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

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

    EN

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise C515.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that C515.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of C 515. 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: