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keil.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

keil.com

Keil Embedded Development Tools for Arm, Cortex-M, Cortex-R4, 8051, C166, and 251 processor families.

Page Load Speed

1.3 sec in total

First Response

244 ms

Resources Loaded

940 ms

Page Rendered

148 ms

keil.com screenshot

About Website

Visit keil.com now to see the best up-to-date Keil content for China and also check out these interesting facts you probably never knew about keil.com

Keil makes C compilers, macro assemblers, real-time kernels, debuggers, simulators, integrated environments, evaluation boards, and emulators for the ARM, XC16x/C16x/ST10, 251, and 8051 microcontrolle...

Visit keil.com

Key Findings

We analyzed Keil.com page load time and found that the first response time was 244 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

keil.com performance score

0

Network Requests Diagram

www.keil.com

244 ms

GoogleTagManager.js

14 ms

t6_ncm.min.css

16 ms

t6_cmn.min.css

24 ms

refresh.min.css

25 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 68% of them (25 requests) were addressed to the original Keil.com, 5% (2 requests) were made to Code.jquery.com and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (244 ms) belongs to the original domain Keil.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.3 kB (46%)

Content Size

461.1 kB

After Optimization

248.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Keil.com main page is 461.1 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 207.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 19.7 kB

  • Original 26.1 kB
  • After minification 21.5 kB
  • After compression 6.5 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 4.6 kB, which is 18% 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 19.7 kB or 75% of the original size.

Image Optimization

-16%

Potential reduce by 15.7 kB

  • Original 97.8 kB
  • After minification 82.1 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. Obviously, Keil needs image optimization as it can save up to 15.7 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

-38%

Potential reduce by 78.6 kB

  • Original 207.4 kB
  • After minification 205.0 kB
  • After compression 128.8 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 78.6 kB or 38% of the original size.

CSS Optimization

-76%

Potential reduce by 98.4 kB

  • Original 129.8 kB
  • After minification 129.8 kB
  • After compression 31.4 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. Keil.com needs all CSS files to be minified and compressed as it can save up to 98.4 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (69%)

Requests Now

35

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keil. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.keil.com

www.keil.com

244 ms

GoogleTagManager.js

GoogleTagManager.js

14 ms

t6_ncm.min.css

t6_ncm.min.css

16 ms

t6_cmn.min.css

t6_cmn.min.css

24 ms

refresh.min.css

refresh.min.css

25 ms

ss-standard.css

ss-standard.css

32 ms

popups.min.css

popups.min.css

37 ms

bootstrap.min.css

bootstrap.min.css

26 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

38 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

48 ms

selectivizr-min.js

selectivizr-min.js

52 ms

jquery.placeholderpatch.js

jquery.placeholderpatch.js

52 ms

jquery.keil.js

jquery.keil.js

51 ms

angular.min.js

angular.min.js

52 ms

angular-sanitize.min.js

angular-sanitize.min.js

51 ms

ui-bootstrap-tpls-0.13.0.min.js

ui-bootstrap-tpls-0.13.0.min.js

65 ms

angularGrid.min.js

angularGrid.min.js

68 ms

app.js

app.js

73 ms

AdvancedSearchFormController.js

AdvancedSearchFormController.js

71 ms

GoogleAnalytics.js

GoogleAnalytics.js

67 ms

gtm.js

gtm.js

157 ms

analytics.js

analytics.js

101 ms

munchkin.js

munchkin.js

135 ms

white_carbon.png

white_carbon.png

57 ms

Arm_KEIL_horizontal_white_LG.png

Arm_KEIL_horizontal_white_LG.png

21 ms

keilsprite.png

keilsprite.png

56 ms

mdkv6intro.png

mdkv6intro.png

54 ms

freesiptools2023.png

freesiptools2023.png

57 ms

Arm_logo_white_150LG.png

Arm_logo_white_150LG.png

55 ms

ss-standard.woff

ss-standard.woff

85 ms

collect

collect

28 ms

hotjar-971746.js

hotjar-971746.js

165 ms

munchkin.js

munchkin.js

8 ms

collect

collect

32 ms

js

js

59 ms

ga-audiences

ga-audiences

117 ms

modules.842bcec28f9fd12bb79e.js

modules.842bcec28f9fd12bb79e.js

26 ms

SEO Factors

keil.com SEO score

0

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 Keil.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 Keil.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

keil.com

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