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semsim.com screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

semsim.com

SemSim CCNA Exam: Cisco CCNA Certification Exam Free Study & Router Simulator - 640-802, ICND1, ICND2, CCENT

Page Load Speed

933 ms in total

First Response

57 ms

Resources Loaded

744 ms

Page Rendered

132 ms

semsim.com screenshot

About Website

Visit semsim.com now to see the best up-to-date Sem Sim content for Nigeria and also check out these interesting facts you probably never knew about semsim.com

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Key Findings

We analyzed Semsim.com page load time and found that the first response time was 57 ms and then it took 876 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

semsim.com performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

semsim.com

57 ms

semsim.com

171 ms

stsheet.css

147 ms

shim.gif

18 ms

t_03.gif

15 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Semsim.com and no external sources were called. The less responsive or slowest element that took the longest time to load (338 ms) belongs to the original domain Semsim.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.6 kB (68%)

Content Size

28.9 kB

After Optimization

9.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Semsim.com main page is 28.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 26.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 19.1 kB

  • Original 26.3 kB
  • After minification 22.6 kB
  • After compression 7.2 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 3.7 kB, which is 14% 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 19.1 kB or 73% of the original size.

Image Optimization

-19%

Potential reduce by 357 B

  • Original 1.9 kB
  • After minification 1.5 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, Sem Sim needs image optimization as it can save up to 357 B or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-27%

Potential reduce by 180 B

  • Original 673 B
  • After minification 673 B
  • After compression 493 B

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. Semsim.com needs all CSS files to be minified and compressed as it can save up to 180 B or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (55%)

Requests Now

11

After Optimization

5

  • Images
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sem Sim. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

semsim.com

semsim.com

57 ms

semsim.com

semsim.com

171 ms

stsheet.css

stsheet.css

147 ms

shim.gif

shim.gif

18 ms

t_03.gif

t_03.gif

15 ms

t_04.gif

t_04.gif

17 ms

pixlinever.gif

pixlinever.gif

17 ms

b_02.gif

b_02.gif

19 ms

b_03.gif

b_03.gif

18 ms

b_04.gif

b_04.gif

15 ms

cards.gif

cards.gif

21 ms

shim.gif

shim.gif

196 ms

t_03.gif

t_03.gif

163 ms

b_04.gif

b_04.gif

194 ms

t_04.gif

t_04.gif

166 ms

pixlinever.gif

pixlinever.gif

197 ms

b_03.gif

b_03.gif

164 ms

b_02.gif

b_02.gif

297 ms

cards.gif

cards.gif

338 ms

MainBoxShot_Medium.gif

MainBoxShot_Medium.gif

302 ms

payPalIcon.jpg

payPalIcon.jpg

322 ms

Accessibility Review

semsim.com accessibility score

61

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

semsim.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

semsim.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

robots.txt is not valid

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

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semsim.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Semsim.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

semsim.com

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