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iperiodictable.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

iperiodictable.com

Free Printable Periodic Table of Elements Charts [Download]

Page Load Speed

2.5 sec in total

First Response

164 ms

Resources Loaded

951 ms

Page Rendered

1.4 sec

iperiodictable.com screenshot

About Website

Visit iperiodictable.com now to see the best up-to-date I Periodic Table content and also check out these interesting facts you probably never knew about iperiodictable.com

Not Much Technology was printed on the Printable Periodic Table available, and many things were affected if we compare today's technology.

Visit iperiodictable.com

Key Findings

We analyzed Iperiodictable.com page load time and found that the first response time was 164 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

iperiodictable.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value2,170 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.289

41/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

iperiodictable.com

164 ms

iperiodictable.com

107 ms

style.css

22 ms

style.min.css

41 ms

blocks.style.build.css

59 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 77% of them (33 requests) were addressed to the original Iperiodictable.com, 7% (3 requests) were made to Pagead2.googlesyndication.com and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (460 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 596.8 kB (14%)

Content Size

4.2 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iperiodictable.com main page is 4.2 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. 60% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 61.6 kB

  • Original 77.6 kB
  • After minification 76.9 kB
  • After compression 16.0 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 61.6 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 405.5 kB

  • Original 3.6 MB
  • After minification 3.2 MB

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, I Periodic Table needs image optimization as it can save up to 405.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 127.6 kB

  • Original 480.1 kB
  • After minification 480.1 kB
  • After compression 352.4 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 127.6 kB or 27% of the original size.

CSS Optimization

-4%

Potential reduce by 2.1 kB

  • Original 58.0 kB
  • After minification 57.8 kB
  • After compression 55.9 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. Iperiodictable.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (37%)

Requests Now

38

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I Periodic Table. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

iperiodictable.com

iperiodictable.com

164 ms

iperiodictable.com

iperiodictable.com

107 ms

style.css

style.css

22 ms

style.min.css

style.min.css

41 ms

blocks.style.build.css

blocks.style.build.css

59 ms

styles.css

styles.css

59 ms

dashicons.min.css

dashicons.min.css

78 ms

css

css

27 ms

jquery.min.js

jquery.min.js

60 ms

jquery-migrate.min.js

jquery-migrate.min.js

66 ms

responsive-menu.js

responsive-menu.js

67 ms

adsbygoogle.js

adsbygoogle.js

118 ms

adsbygoogle.js

adsbygoogle.js

255 ms

index.js

index.js

76 ms

index.js

index.js

110 ms

ads.js

ads.js

111 ms

counter.js

counter.js

193 ms

Printable-Periodic-Table.png

Printable-Periodic-Table.png

149 ms

Periodic-Table-with-Charges.png

Periodic-Table-with-Charges.png

248 ms

Periodic-Table-of-Elements-with-Names-1024x595.png

Periodic-Table-of-Elements-with-Names-1024x595.png

269 ms

Dynamic-Periodic-Table-1024x606.png

Dynamic-Periodic-Table-1024x606.png

250 ms

Blank-Periodic-Table.png

Blank-Periodic-Table.png

147 ms

Periodic-Table-of-Elements-Printable-1024x579.png

Periodic-Table-of-Elements-Printable-1024x579.png

229 ms

Periodic-Table-Trends.png

Periodic-Table-Trends.png

250 ms

Periodic-Table-Wallpaper-1024x794.jpg

Periodic-Table-Wallpaper-1024x794.jpg

247 ms

Printable-Periodic-Table-With-Atomic-Mass.jpg

Printable-Periodic-Table-With-Atomic-Mass.jpg

259 ms

Periodic-Table-With-Electronegativity.png

Periodic-Table-With-Electronegativity.png

272 ms

Black-and-White-Periodic-Table-1024x566.png

Black-and-White-Periodic-Table-1024x566.png

272 ms

Interactive-Periodic-Table-1024x576.png

Interactive-Periodic-Table-1024x576.png

297 ms

The-Periodic-Table.png

The-Periodic-Table.png

263 ms

Periodic-Table-PDF-1024x599.jpg

Periodic-Table-PDF-1024x599.jpg

284 ms

Periodic-Table-with-Mass.gif

Periodic-Table-with-Mass.gif

289 ms

Periodic-Table-Orbitals.gif

Periodic-Table-Orbitals.gif

290 ms

How-is-The-Periodic-Table-Organized.gif

How-is-The-Periodic-Table-Organized.gif

294 ms

What-is-a-Periodic-Table-1024x596.png

What-is-a-Periodic-Table-1024x596.png

312 ms

How-To-Read-The-Periodic-Table-1024x604.png

How-To-Read-The-Periodic-Table-1024x604.png

328 ms

How-Many-Elements-in-the-Periodic-Table.png

How-Many-Elements-in-the-Periodic-Table.png

328 ms

0QI6MX1D_JOuGQbT0gvTJPa787weuxJBkqg.ttf

0QI6MX1D_JOuGQbT0gvTJPa787weuxJBkqg.ttf

203 ms

0QI6MX1D_JOuGQbT0gvTJPa787z5vBJBkqg.ttf

0QI6MX1D_JOuGQbT0gvTJPa787z5vBJBkqg.ttf

228 ms

show_ads_impl.js

show_ads_impl.js

460 ms

zrt_lookup_nohtml.html

zrt_lookup_nohtml.html

124 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

87 ms

t.php

t.php

92 ms

Accessibility Review

iperiodictable.com accessibility score

89

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

Best Practices

iperiodictable.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

iperiodictable.com SEO score

98

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iperiodictable.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 Iperiodictable.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

iperiodictable.com

Open Graph data is detected on the main page of I Periodic Table. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: