Tools & Wizards About Us
sdfeng.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sdfeng.com

闪电蜂 | 手机快修连锁 | Apple 独立维修提供商（IRP）

Page Load Speed

176.8 sec in total

First Response

2.3 sec

Resources Loaded

174.1 sec

Page Rendered

363 ms

sdfeng.com screenshot

About Website

Click here to check amazing Sdfeng content. Otherwise, check out these important facts you probably never knew about sdfeng.com

上海闪电蜂电子商务有限公司（简称闪电蜂）成立于2014年。专注于手机等数码产品售后维修、回收、延保等全线服务，2021年4月成为Apple的独立维修提供商（IRP）,闪电蜂手机快修业务已经覆盖全国24个省及直辖市、自治区、现拥有加盟店3500余家，并持续快速增加中。

Visit sdfeng.com

Key Findings

We analyzed Sdfeng.com page load time and found that the first response time was 2.3 sec and then it took 174.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 206 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sdfeng.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.401

25/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

sdfeng.com

2277 ms

www.sdfeng.com

7863 ms

reset.css

1702 ms

base-new.css

3202 ms

dialogPages.css

948 ms

Our browser made a total of 337 requests to load all elements on the main page. We found that 86% of them (290 requests) were addressed to the original Sdfeng.com, 4% (15 requests) were made to Login.sdfeng.com and 4% (14 requests) were made to Cm.emarbox.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Sdfeng.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (23%)

Content Size

4.9 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Sdfeng.com main page is 4.9 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. 45% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 492.0 kB

  • Original 511.9 kB
  • After minification 186.8 kB
  • After compression 19.9 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 325.1 kB, which is 64% 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 492.0 kB or 96% of the original size.

Image Optimization

-14%

Potential reduce by 609.5 kB

  • Original 4.3 MB
  • After minification 3.7 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. Obviously, Sdfeng needs image optimization as it can save up to 609.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-77%

Potential reduce by 37.1 kB

  • Original 47.9 kB
  • After minification 42.6 kB
  • After compression 10.8 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. Sdfeng.com needs all CSS files to be minified and compressed as it can save up to 37.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (27%)

Requests Now

105

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdfeng. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sdfeng.com

sdfeng.com

2277 ms

www.sdfeng.com

www.sdfeng.com

7863 ms

reset.css

reset.css

1702 ms

base-new.css

base-new.css

3202 ms

dialogPages.css

dialogPages.css

948 ms

modernizr.2.8.3.js

modernizr.2.8.3.js

1421 ms

jquery-1.11.3.min.js

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14488 ms

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3235 ms

dialogPages.js

dialogPages.js

1882 ms

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3660 ms

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4331 ms

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3651 ms

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2842 ms

seallogo.dll

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k5dmTJMrjwJVc=;

k5dmTJMrjwJVc=;

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520 ms

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19994 ms

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19836 ms

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17482 ms

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18514 ms

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18952 ms

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19993 ms

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15493 ms

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15517 ms

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18658 ms

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19952 ms

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16954 ms

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16621 ms

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20314 ms

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20018 ms

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15633 ms

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14285 ms

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19998 ms

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19991 ms

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19985 ms

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19984 ms

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19984 ms

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19984 ms

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19972 ms

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19972 ms

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19971 ms

index-floor-3.jpg

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19972 ms

index-floor-ad-3.jpg

index-floor-ad-3.jpg

19972 ms

index-floor-ad-3-2.jpg

index-floor-ad-3-2.jpg

19971 ms

ad8.jpg

ad8.jpg

19971 ms

ad9.jpg

ad9.jpg

19901 ms

apple.jpg

apple.jpg

19947 ms

samsung.jpg

samsung.jpg

19498 ms

mi.jpg

mi.jpg

19998 ms

lenovo.jpg

lenovo.jpg

19005 ms

huawei.jpg

huawei.jpg

19172 ms

htc.jpg

htc.jpg

18434 ms

zgyd_logo.jpg

zgyd_logo.jpg

19402 ms

kerry.jpg

kerry.jpg

17228 ms

index.html

index.html

17078 ms

index.html

index.html

18579 ms

suning_logo.jpg

suning_logo.jpg

20476 ms

jd_logo.jpg

jd_logo.jpg

20156 ms

sf_logo.jpg

sf_logo.jpg

15767 ms

bz-2.jpg

bz-2.jpg

14008 ms

bz-3.jpg

bz-3.jpg

15093 ms

icon-search.png

icon-search.png

11551 ms

orderIcon.png

orderIcon.png

11085 ms

icon-new.png

icon-new.png

19874 ms

index-items-bg.png

index-items-bg.png

10232 ms

business-icon-24.png

business-icon-24.png

13093 ms

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index-floor-ad-1-b.png

8132 ms

sellOut.png

sellOut.png

10680 ms

Accessibility Review

sdfeng.com accessibility score

89

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.

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

sdfeng.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

sdfeng.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

    N/A

  • Encoding

    UTF-8

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

sdfeng.com

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