Tools & Wizards About Us
johncera.com.mo screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

johncera.com.mo

Corundum Crucibles | Alumina Crucibles | Labware Crucible Supplier | Johncera Group

Page Load Speed

3.6 sec in total

First Response

340 ms

Resources Loaded

2.8 sec

Page Rendered

479 ms

johncera.com.mo screenshot

About Website

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

Johncera provides 99.7% corundum crucibles / alumina crucibles with excellent thermal performance. Made by traditional slipcasting method. Available in various shapes and sizes.

Visit johncera.com.mo

Key Findings

We analyzed Johncera.com.mo page load time and found that the first response time was 340 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

johncera.com.mo performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value2,190 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.607

10/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

johncera.com.mo

340 ms

www.johncera.com.mo

509 ms

gtm.js

91 ms

style.css

279 ms

font.css

219 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 87% of them (46 requests) were addressed to the original Johncera.com.mo, 6% (3 requests) were made to Google-analytics.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Johncera.com.mo.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.7 kB (14%)

Content Size

1.0 MB

After Optimization

874.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Johncera.com.mo main page is 1.0 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 701.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 26.7 kB

  • Original 34.0 kB
  • After minification 30.0 kB
  • After compression 7.3 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 4.1 kB, which is 12% 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 26.7 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 31.3 kB

  • Original 701.2 kB
  • After minification 669.9 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. Johncera images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 86.7 kB

  • Original 264.0 kB
  • After minification 264.0 kB
  • After compression 177.3 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 86.7 kB or 33% of the original size.

CSS Optimization

-9%

Potential reduce by 2.0 kB

  • Original 21.6 kB
  • After minification 21.6 kB
  • After compression 19.6 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. Johncera.com.mo has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (24%)

Requests Now

49

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Johncera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

johncera.com.mo

johncera.com.mo

340 ms

www.johncera.com.mo

www.johncera.com.mo

509 ms

gtm.js

gtm.js

91 ms

style.css

style.css

279 ms

font.css

font.css

219 ms

font-icon.css

font-icon.css

220 ms

swiper.min.css

swiper.min.css

219 ms

jquery.min.js

jquery.min.js

338 ms

swiper.js

swiper.js

397 ms

other.js

other.js

396 ms

layui.all.js

layui.all.js

751 ms

js

js

89 ms

analytics.js

analytics.js

22 ms

collect

collect

14 ms

collect

collect

26 ms

johncera-logo.png

johncera-logo.png

154 ms

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292 ms

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301 ms

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429 ms

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351 ms

youtobe.jpg

youtobe.jpg

394 ms

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501 ms

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561 ms

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562 ms

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571 ms

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584 ms

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1620351387168.jpg

647 ms

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742 ms

about_title.png

about_title.png

739 ms

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1620458082060.png

742 ms

a8e94b1f78259aa7869b0233c848868c.png

a8e94b1f78259aa7869b0233c848868c.png

750 ms

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3b92db4706524c187afcdfaa77a59ae2.png

763 ms

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936dd853383c098b3d08f2fd51710984.png

828 ms

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1470283c5d208c9371071743c5971153.png

917 ms

7c1ffa83422f88344020f44916aa4a75.png

7c1ffa83422f88344020f44916aa4a75.png

919 ms

about_title2.png

about_title2.png

922 ms

1670576965659.webp

1670576965659.webp

991 ms

1670576083121.webp

1670576083121.webp

1005 ms

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1069 ms

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1255 ms

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1633481626851.png

1098 ms

font_2119668_v3q2w5k1pid.woff

font_2119668_v3q2w5k1pid.woff

425 ms

www.johncera.com.mo

www.johncera.com.mo

1178 ms

about_bg.jpg

about_bg.jpg

1289 ms

footer_bg.jpg

footer_bg.jpg

1347 ms

icomoon.ttf

icomoon.ttf

1280 ms

laydate.css

laydate.css

918 ms

layer.css

layer.css

912 ms

code.css

code.css

1007 ms

1670576965659.webp

1670576965659.webp

381 ms

1670576083121.webp

1670576083121.webp

384 ms

1670580044207.webp

1670580044207.webp

382 ms

collect

collect

12 ms

Accessibility Review

johncera.com.mo accessibility score

90

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

Links do not have a discernible name

Best Practices

johncera.com.mo best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

johncera.com.mo SEO score

90

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Johncera.com.mo can be misinterpreted by Google and other search engines. Our service has detected that English 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 Johncera.com.mo 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

johncera.com.mo

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