Tools & Wizards About Us
romatools.en.alibaba.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

romatools.en.alibaba.com

Xiamen Roma Diamond Tools Co., Ltd. - Diamond Segments, Diamond Wire

Page Load Speed

2.8 sec in total

First Response

223 ms

Resources Loaded

2.3 sec

Page Rendered

266 ms

romatools.en.alibaba.com screenshot

About Website

Welcome to romatools.en.alibaba.com homepage info - get ready to check Roma Tools En Alibaba best content for China right away, or after learning these important things about romatools.en.alibaba.com

Xiamen Roma Diamond Tools Co., Ltd., Experts in Manufacturing and Exporting Diamond Segments, Diamond Wire and 0 more Products.

Visit romatools.en.alibaba.com

Key Findings

We analyzed Romatools.en.alibaba.com page load time and found that the first response time was 223 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

romatools.en.alibaba.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value5,180 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.138

79/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

romatools.en.alibaba.com

223 ms

romatools.en.alibaba.com

693 ms

118 ms

154 ms

header.css

177 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Romatools.en.alibaba.com, 59% (54 requests) were made to S.alicdn.com and 8% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (64%)

Content Size

6.5 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Romatools.en.alibaba.com main page is 6.5 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. 65% of websites need less resources to load. Javascripts take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 474.4 kB

  • Original 574.3 kB
  • After minification 570.4 kB
  • After compression 99.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 474.4 kB or 83% of the original size.

Image Optimization

-46%

Potential reduce by 177.2 kB

  • Original 386.7 kB
  • After minification 209.5 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. Obviously, Roma Tools En Alibaba needs image optimization as it can save up to 177.2 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 3.2 MB

  • Original 5.1 MB
  • After minification 5.1 MB
  • After compression 1.9 MB

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 3.2 MB or 62% of the original size.

CSS Optimization

-72%

Potential reduce by 284.1 kB

  • Original 395.7 kB
  • After minification 344.8 kB
  • After compression 111.6 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. Romatools.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.1 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (67%)

Requests Now

81

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roma Tools En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

romatools.en.alibaba.com

romatools.en.alibaba.com

223 ms

romatools.en.alibaba.com

romatools.en.alibaba.com

693 ms

118 ms

154 ms

header.css

header.css

177 ms

header.js

header.js

186 ms

65 ms

web-index.css

web-index.css

182 ms

web-index.css

web-index.css

183 ms

web-index.css

web-index.css

185 ms

web-index.css

web-index.css

185 ms

web-index.css

web-index.css

235 ms

504 ms

257 ms

index.js

index.js

320 ms

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H560120006c904eff955f7532ab5a5cfcI.jpg

547 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

250 ms

Hf119e1ca5d41414aa0e07eb71de4194ap.jpg_q80.jpg

Hf119e1ca5d41414aa0e07eb71de4194ap.jpg_q80.jpg

178 ms

awsc.js

awsc.js

225 ms

48 ms

personTipsInfo.do

personTipsInfo.do

266 ms

eg.js

eg.js

278 ms

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TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

140 ms

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TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

141 ms

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O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

79 ms

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H24e31f95253145f4bd2fa26c2afceded8.jpg

227 ms

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226 ms

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328 ms

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373 ms

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282 ms

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362 ms

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371 ms

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342 ms

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509 ms

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475 ms

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479 ms

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527 ms

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Hbba0d766f26344eb89143c7892d7ac47o.jpg

576 ms

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Hf86d10ff8c48434f9b7eb869f9ac48acj.jpg

537 ms

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Hea962ba4e533420ea6a642754b4fae7dY.jpg

576 ms

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H8a1e31f881cc464984c1848ef68de6baA.jpg

557 ms

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H7242eab68ae14780b226ac9c94192cacD.jpg

853 ms

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836 ms

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837 ms

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669 ms

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988 ms

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Hd5f000e2be874f73a154e875637ca76bz.jpg

744 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

248 ms

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

249 ms

620 ms

14 ms

roboto-regular.woff

roboto-regular.woff

627 ms

roboto-medium.woff

roboto-medium.woff

644 ms

roboto-light.woff

roboto-light.woff

657 ms

roboto-thin.woff

roboto-thin.woff

669 ms

roboto-bold.woff

roboto-bold.woff

683 ms

icon-font.woff

icon-font.woff

681 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

186 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

161 ms

sc.globalxman.appscene

sc.globalxman.appscene

122 ms

et_n.js

et_n.js

12 ms

um.js

um.js

90 ms

footer.css

footer.css

619 ms

wu.json

wu.json

26 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

7 ms

index.js

index.js

3 ms

index.js

index.js

6 ms

7.gif

7.gif

5 ms

baxiaCommon.js

baxiaCommon.js

44 ms

rp

rp

1142 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

29 ms

light0.5x.png

light0.5x.png

45 ms

pages_version.html

pages_version.html

52 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

20 ms

defer-common.js

defer-common.js

187 ms

i.alicdn.com

i.alicdn.com

334 ms

index.js

index.js

166 ms

index.web.css

index.web.css

139 ms

index.web.js

index.web.js

45 ms

availableSurveyQuery.json

availableSurveyQuery.json

171 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

150 ms

store-proxy.html

store-proxy.html

216 ms

countryCurrencyDataService

countryCurrencyDataService

178 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

147 ms

personRoleInfo.do

personRoleInfo.do

137 ms

notification.do

notification.do

155 ms

index.js

index.js

176 ms

index.js

index.js

16 ms

iconfont.woff

iconfont.woff

36 ms

iconfont.woff

iconfont.woff

14 ms

index.css

index.css

10 ms

Accessibility Review

romatools.en.alibaba.com accessibility score

68

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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.

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

romatools.en.alibaba.com best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

romatools.en.alibaba.com SEO score

71

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

High

Document doesn't have a valid hreflang

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Romatools.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Romatools.en.alibaba.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

romatools.en.alibaba.com

Open Graph data is detected on the main page of Roma Tools En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: