Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

satfrequency.com

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Page Load Speed

4.7 sec in total

First Response

1.2 sec

Resources Loaded

3.3 sec

Page Rendered

152 ms

satfrequency.com screenshot

About Website

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Key Findings

We analyzed Satfrequency.com page load time and found that the first response time was 1.2 sec and then it took 3.5 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

satfrequency.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.467

19/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

www.satfrequency.com

1204 ms

wp-emoji-release.min.js

65 ms

bootstrap_tab.min.css

74 ms

bootstrap_dropdown.min.css

85 ms

res_tab_icon.css

77 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 50% of them (31 requests) were addressed to the original Satfrequency.com, 8% (5 requests) were made to Pagead2.googlesyndication.com and 6% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Satfrequency.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 450.2 kB (61%)

Content Size

734.3 kB

After Optimization

284.1 kB

In fact, the total size of Satfrequency.com main page is 734.3 kB. 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. Javascripts take 400.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 40.0 kB

  • Original 50.9 kB
  • After minification 49.5 kB
  • After compression 10.9 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 40.0 kB or 79% of the original size.

Image Optimization

-16%

Potential reduce by 12.0 kB

  • Original 77.2 kB
  • After minification 65.2 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, Satfrequency needs image optimization as it can save up to 12.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 230.6 kB

  • Original 400.8 kB
  • After minification 389.6 kB
  • After compression 170.2 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 230.6 kB or 58% of the original size.

CSS Optimization

-82%

Potential reduce by 167.7 kB

  • Original 205.4 kB
  • After minification 197.6 kB
  • After compression 37.7 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. Satfrequency.com needs all CSS files to be minified and compressed as it can save up to 167.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (57%)

Requests Now

54

After Optimization

23

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Satfrequency. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

satfrequency.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

satfrequency.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

satfrequency.com SEO score

84

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

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Satfrequency.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Satfrequency.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 data is detected on the main page of Satfrequency. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: