Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

szfcar.com

汽车诊断仪 -深圳市爱夫卡科技股份有限公司、爱夫卡科技、汽车解码器、柴油车解码器、专业柴油车诊断解决方案

Page Load Speed

8.7 sec in total

First Response

907 ms

Resources Loaded

7.2 sec

Page Rendered

599 ms

About Website

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

深圳爱夫卡科技有限公司专业生产汽车诊断仪,汽车解码器,汽车故障诊断仪,汽车故障电脑检测仪,是集研发,生产,销售汽车诊断产品于一体的高科技企业.电话:0755-82904729

Visit szfcar.com

Key Findings

We analyzed Szfcar.com page load time and found that the first response time was 907 ms and then it took 7.8 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

szfcar.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value33.1 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value4,050 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.205

61/100

15%

TTI (Time to Interactive)

Value18.4 s

3/100

10%

Network Requests Diagram

szfcar.com

907 ms

jquery.bxslider.css

448 ms

bootstrap.css

1128 ms

style.css

456 ms

reset.css

459 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 40% of them (26 requests) were addressed to the original Szfcar.com, 46% (30 requests) were made to Webchat.7moor.com and 11% (7 requests) were made to Fcar-oss-public.oss-cn-hangzhou.aliyuncs.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Szfcar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.4 kB (7%)

Content Size

4.3 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szfcar.com main page is 4.3 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. 40% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 29.0 kB

  • Original 37.1 kB
  • After minification 28.8 kB
  • After compression 8.1 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 8.3 kB, which is 22% 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 29.0 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 243.3 kB

  • Original 4.0 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. Szfcar images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 20.4 kB

  • Original 260.5 kB
  • After minification 260.5 kB
  • After compression 240.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 2.7 kB

  • Original 20.7 kB
  • After minification 20.7 kB
  • After compression 18.0 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. Szfcar.com needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (39%)

Requests Now

62

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Szfcar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

szfcar.com accessibility score

64

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

szfcar.com best practices score

67

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

SEO Factors

szfcar.com SEO score

58

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

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