Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

alcera.cc

ALCERA website,Sintering furnace,Degreasing furnace-ALCERA Email:alcera@alcera.cn

Page Load Speed

3.7 sec in total

First Response

554 ms

Resources Loaded

2.8 sec

Page Rendered

364 ms

alcera.cc screenshot

About Website

Welcome to alcera.cc homepage info - get ready to check ALCERA best content right away, or after learning these important things about alcera.cc

ALCERA (SUZHOU) CO., LTD(Email:alcera@alcera.cn) Strong technical team, according to the characteristics of design features of a stove or furnace structure, refractory material production, but also pr...

Visit alcera.cc

Key Findings

We analyzed Alcera.cc page load time and found that the first response time was 554 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

alcera.cc performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

alcera.cc

554 ms

resetcommon.css

552 ms

index.css

502 ms

NSW_Index.js

432 ms

rollup.min.js

110 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 97% of them (61 requests) were addressed to the original Alcera.cc, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Alcera.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.0 kB (6%)

Content Size

1.0 MB

After Optimization

978.8 kB

In fact, the total size of Alcera.cc 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. 20% of websites need less resources to load. Images take 974.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 31.0 kB

  • Original 38.2 kB
  • After minification 33.0 kB
  • After compression 7.2 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 5.2 kB, which is 14% 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 31.0 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 10.4 kB

  • Original 974.5 kB
  • After minification 964.1 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. ALCERA images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 9.3 kB

  • Original 12.6 kB
  • After minification 8.7 kB
  • After compression 3.3 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 9.3 kB or 74% of the original size.

CSS Optimization

-75%

Potential reduce by 12.4 kB

  • Original 16.5 kB
  • After minification 14.7 kB
  • After compression 4.1 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. Alcera.cc needs all CSS files to be minified and compressed as it can save up to 12.4 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (13%)

Requests Now

60

After Optimization

52

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALCERA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

alcera.cc accessibility score

72

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

alcera.cc best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

alcera.cc 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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alcera.cc can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Alcera.cc 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 ALCERA. 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: