Tools & Wizards About Us

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dev.components101.com

Components101 - Electronic Components Pinouts, Details & Datasheets

Page Load Speed

5.3 sec in total

First Response

948 ms

Resources Loaded

4 sec

Page Rendered

425 ms

About Website

Welcome to dev.components101.com homepage info - get ready to check Dev Components101 best content for India right away, or after learning these important things about dev.components101.com

Learn about various electronic components with their pinout details, uses, applications and pdf datasheets.

Visit dev.components101.com

Key Findings

We analyzed Dev.components101.com page load time and found that the first response time was 948 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dev.components101.com performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value1,740 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.551

13/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

dev.components101.com

948 ms

ajax-progress.module.css

135 ms

align.module.css

134 ms

autocomplete-loading.module.css

133 ms

fieldgroup.module.css

134 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 71% of them (99 requests) were addressed to the original Dev.components101.com, 6% (8 requests) were made to Pagead2.googlesyndication.com and 4% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dev.components101.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (60%)

Content Size

2.3 MB

After Optimization

941.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dev.components101.com main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 211.8 kB

  • Original 229.7 kB
  • After minification 103.8 kB
  • After compression 17.9 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. This page needs HTML code to be minified as it can gain 125.9 kB, which is 55% 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 211.8 kB or 92% of the original size.

Image Optimization

-1%

Potential reduce by 1.4 kB

  • Original 108.8 kB
  • After minification 107.4 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. Dev Components101 images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 667.5 kB

  • Original 1.4 MB
  • After minification 1.2 MB
  • After compression 735.3 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 667.5 kB or 48% of the original size.

CSS Optimization

-86%

Potential reduce by 504.5 kB

  • Original 585.5 kB
  • After minification 460.5 kB
  • After compression 80.9 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. Dev.components101.com needs all CSS files to be minified and compressed as it can save up to 504.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 98 (87%)

Requests Now

113

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Components101. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 42 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dev.components101.com accessibility score

70

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

High

ARIA IDs are not unique

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dev.components101.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

High

Page has valid source maps

SEO Factors

dev.components101.com SEO score

79

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

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dev.components101.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 Dev.components101.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 Dev Components101. 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: