Tools & Wizards About Us
yr1718.net screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

yr1718.net

上海研润光机科技有限公司生产硬度计_硬度_洛氏_维氏_显微_数显_布氏_全洛氏_巴克尔_表面_电动_显微维氏硬度计

Page Load Speed

7.8 sec in total

First Response

711 ms

Resources Loaded

7 sec

Page Rendered

125 ms

yr1718.net screenshot

About Website

Visit yr1718.net now to see the best up-to-date Yr 1718 content and also check out these interesting facts you probably never knew about yr1718.net

研润企业(上海,北京,重庆,沈阳,武汉,西安,天津)专业生产硬度计/硬度机.主要产品有洛氏硬度计(数显洛氏硬度计,全洛氏硬度计,表面洛氏硬度计,电动洛氏硬度计,塑料洛氏硬度计),维氏硬度计(数显维氏硬度计/显微维氏硬度计),布氏硬度计(数显布氏硬度计/电子布氏硬度计),显微硬度计(数显显微硬度计,自动转塔显微硬度计),里氏硬度计,邵氏硬度计,巴氏硬度计,韦氏硬度计等各种硬度测试设备.是专业的硬度计...

Visit yr1718.net

Key Findings

We analyzed Yr1718.net page load time and found that the first response time was 711 ms and then it took 7.1 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

yr1718.net performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

yr1718.net

711 ms

www.yr1718.net

1739 ms

style.css

277 ms

left.css

488 ms

css.css

490 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Yr1718.net and no external sources were called. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Yr1718.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.3 kB (8%)

Content Size

492.7 kB

After Optimization

454.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yr1718.net main page is 492.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 428.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 23.9 kB

  • Original 29.1 kB
  • After minification 25.3 kB
  • After compression 5.2 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 3.8 kB, which is 13% 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 23.9 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 14.1 kB

  • Original 428.8 kB
  • After minification 414.6 kB

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. Yr 1718 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 30 B

  • Original 33.0 kB
  • After minification 33.0 kB
  • After compression 32.9 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

-10%

Potential reduce by 183 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 1.7 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. Yr1718.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (11%)

Requests Now

27

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yr 1718. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yr1718.net

yr1718.net

711 ms

www.yr1718.net

www.yr1718.net

1739 ms

style.css

style.css

277 ms

left.css

left.css

488 ms

css.css

css.css

490 ms

zzsc.css

zzsc.css

1293 ms

logo_1.jpg

logo_1.jpg

1181 ms

ico4.gif

ico4.gif

554 ms

erweima.jpg

erweima.jpg

1461 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

1416 ms

zzsc.js

zzsc.js

708 ms

menu_bg.gif

menu_bg.gif

262 ms

menu_bg1.gif

menu_bg1.gif

264 ms

left_menu_bg.gif

left_menu_bg.gif

245 ms

HRS-150a.jpg

HRS-150a.jpg

1159 ms

HD9-45az.jpg

HD9-45az.jpg

2048 ms

HVS-index.jpg

HVS-index.jpg

981 ms

HMAS-D5index.jpg

HMAS-D5index.jpg

1408 ms

HV-1000.jpg

HV-1000.jpg

1769 ms

HMAS-C1000SZA.jpg

HMAS-C1000SZA.jpg

1773 ms

HBS-3000Lindex.jpg

HBS-3000Lindex.jpg

2137 ms

HMAS.jpg

HMAS.jpg

2355 ms

bottom_line_bg.gif

bottom_line_bg.gif

1826 ms

bottom.jpg

bottom.jpg

3232 ms

qq.png

qq.png

2351 ms

online_phone.jpg

online_phone.jpg

3023 ms

wap_ico.jpg

wap_ico.jpg

3263 ms

online_arrow.jpg

online_arrow.jpg

2555 ms

online_botbg.jpg

online_botbg.jpg

2789 ms

Accessibility Review

yr1718.net accessibility score

47

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.

High

Definition list items are not wrapped in <dl> 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

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

yr1718.net 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

yr1718.net SEO score

62

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

High

Document uses plugins

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 Yr1718.net 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 Yr1718.net 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

yr1718.net

Open Graph description is not detected on the main page of Yr 1718. 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: