Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

gd-fed.com

水处理剂|水处理药剂|阻垢剂|消泡剂|膜阻垢剂|缓蚀剂|絮凝剂|水处理剂专业生产商 - 江阴安纳吉节能环保科技有限公司

Page Load Speed

8.3 sec in total

First Response

743 ms

Resources Loaded

6.8 sec

Page Rendered

768 ms

gd-fed.com screenshot

About Website

Welcome to gd-fed.com homepage info - get ready to check Gd Fed best content right away, or after learning these important things about gd-fed.com

江阴安纳吉是一家集水处理药剂生产研发销售为一体的实体工厂,产品主要有阻垢剂、杀菌剂、清洗剂、缓蚀剂、絮凝剂、消泡剂,除氧剂等,广泛应用于冷却水、锅炉水、污水、油田用水等工业水处理用药剂。

Visit gd-fed.com

Key Findings

We analyzed Gd-fed.com page load time and found that the first response time was 743 ms and then it took 7.5 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

gd-fed.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

gd-fed.com

743 ms

www.gd-fed.com

692 ms

resetcommon.css

223 ms

index.css

422 ms

ava.pc.min.js

845 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that all of those requests were addressed to Gd-fed.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Gd-fed.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.2 kB (3%)

Content Size

3.1 MB

After Optimization

3.0 MB

In fact, the total size of Gd-fed.com main page is 3.1 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. 60% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.4 kB

  • Original 29.0 kB
  • After minification 23.5 kB
  • After compression 6.6 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 5.4 kB, which is 19% 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 22.4 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 60.2 kB

  • Original 2.9 MB
  • After minification 2.8 MB

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. Gd Fed images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 19.7 kB

  • Original 148.1 kB
  • After minification 148.1 kB
  • After compression 128.4 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 19.7 kB or 13% of the original size.

CSS Optimization

-29%

Potential reduce by 4.0 kB

  • Original 13.7 kB
  • After minification 13.7 kB
  • After compression 9.7 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. Gd-fed.com needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (10%)

Requests Now

88

After Optimization

79

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gd Fed. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

gd-fed.com accessibility score

63

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

gd-fed.com 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

gd-fed.com SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

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

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