Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

certificatetools.com

CertificateTools.com - Online X509 Certificate Generator

Page Load Speed

954 ms in total

First Response

112 ms

Resources Loaded

703 ms

Page Rendered

139 ms

certificatetools.com screenshot

About Website

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

Online x509 Certificate Generator. Create self-signed certificates, certificate signing requests (CSR), or a root certificate authority. Featuring support for multiple subject alternative names, multi...

Visit certificatetools.com

Key Findings

We analyzed Certificatetools.com page load time and found that the first response time was 112 ms and then it took 842 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

certificatetools.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

56/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value3,180 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.799

5/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

certificatetools.com

112 ms

certificatetools.com

265 ms

jquery-ui.css

42 ms

jquery-1.10.2.js

51 ms

jquery-ui.js

68 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 11% of them (2 requests) were addressed to the original Certificatetools.com, 32% (6 requests) were made to Code.jquery.com and 16% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (265 ms) belongs to the original domain Certificatetools.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 325.3 kB (64%)

Content Size

511.3 kB

After Optimization

186.0 kB

In fact, the total size of Certificatetools.com main page is 511.3 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. 20% of websites need less resources to load. Javascripts take 427.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 45.7 kB

  • Original 60.0 kB
  • After minification 52.6 kB
  • After compression 14.3 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 7.3 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 45.7 kB or 76% of the original size.

Image Optimization

-22%

Potential reduce by 2.2 kB

  • Original 9.9 kB
  • After minification 7.7 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, Certificate Tools needs image optimization as it can save up to 2.2 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 272.3 kB

  • Original 427.7 kB
  • After minification 427.7 kB
  • After compression 155.4 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 272.3 kB or 64% of the original size.

CSS Optimization

-38%

Potential reduce by 5.2 kB

  • Original 13.8 kB
  • After minification 13.8 kB
  • After compression 8.6 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. Certificatetools.com needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (31%)

Requests Now

16

After Optimization

11

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certificate Tools. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

certificatetools.com accessibility score

80

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

certificatetools.com best practices score

75

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

Browser errors were logged to the console

SEO Factors

certificatetools.com SEO score

90

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

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

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certificatetools.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Certificatetools.com main page’s claimed encoding is iso-8859-1. 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

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