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Report Summary

About Website

Click here to check amazing Imdrc content for Canada. Otherwise, check out these important facts you probably never knew about imdrc.com

上海领德仪器有限公司(www.imdrc.com)是国内外专业的实验室真空泵,无油隔膜真空泵,实验室真空抽滤系统,雪花制冰机供应商，主要供应产品有:实验室真空泵,无油隔膜真空泵,实验室真空抽滤系统,雪花制冰机等,上海领德仪器有限公司不仅具有精湛的销售技术水平,更有良好的售后服务和优质的解决方案,欢迎来电洽谈

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

imdrc.com

562 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Imdrc.com and no external sources were called. The less responsive or slowest element that took the longest time to load (562 ms) belongs to the original domain Imdrc.com.

Content Size

571.1 kB

After Optimization

427.0 kB

In fact, the total size of Imdrc.com main page is 571.1 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 228.6 kB which makes up the majority of the site volume.

HTML Optimization

-38%

Potential reduce by 109 B

Original 286 B
After minification 257 B
After compression 177 B

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 109 B or 38% of the original size.

Image Optimization

-2%

Potential reduce by 5.5 kB

Original 228.6 kB
After minification 223.1 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. Imdrc images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 103.5 kB

Original 222.9 kB
After minification 222.9 kB
After compression 119.4 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 103.5 kB or 46% of the original size.

CSS Optimization

-29%

Potential reduce by 34.9 kB

Original 119.3 kB
After minification 119.3 kB
After compression 84.4 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. Imdrc.com needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 29% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

High

Page is blocked from indexing

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Imdrc.com 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 Imdrc.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

imdrc.com

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