Tools & Wizards About Us
datasheetlib.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

datasheetlib.com

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Page Load Speed

1.5 sec in total

First Response

125 ms

Resources Loaded

1.1 sec

Page Rendered

191 ms

datasheetlib.com screenshot

About Website

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

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Key Findings

We analyzed Datasheetlib.com page load time and found that the first response time was 125 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

datasheetlib.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

datasheetlib.com

125 ms

www.datasheetlib.com

181 ms

main.css

10 ms

jquery-ui-1.9.2.custom.css

7 ms

modernizr-2.6.2.js

12 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 58% of them (60 requests) were addressed to the original Datasheetlib.com, 12% (12 requests) were made to Data.datasheetlib.com and 7% (7 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (287 ms) belongs to the original domain Datasheetlib.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 833.0 kB (52%)

Content Size

1.6 MB

After Optimization

768.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datasheetlib.com main page is 1.6 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. 70% of websites need less resources to load. Javascripts take 867.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 127.5 kB

  • Original 166.4 kB
  • After minification 161.8 kB
  • After compression 38.8 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 127.5 kB or 77% of the original size.

Image Optimization

-13%

Potential reduce by 68.8 kB

  • Original 513.7 kB
  • After minification 444.9 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, Datasheetlib needs image optimization as it can save up to 68.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 592.5 kB

  • Original 867.5 kB
  • After minification 840.4 kB
  • After compression 275.0 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 592.5 kB or 68% of the original size.

CSS Optimization

-81%

Potential reduce by 44.1 kB

  • Original 54.2 kB
  • After minification 45.8 kB
  • After compression 10.1 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. Datasheetlib.com needs all CSS files to be minified and compressed as it can save up to 44.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (29%)

Requests Now

100

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datasheetlib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

datasheetlib.com

datasheetlib.com

125 ms

www.datasheetlib.com

www.datasheetlib.com

181 ms

main.css

main.css

10 ms

jquery-ui-1.9.2.custom.css

jquery-ui-1.9.2.custom.css

7 ms

modernizr-2.6.2.js

modernizr-2.6.2.js

12 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

29 ms

jquery-ui-1.9.2.custom.js

jquery-ui-1.9.2.custom.js

41 ms

common.js

common.js

25 ms

script.js

script.js

24 ms

t.png

t.png

41 ms

logo.png

logo.png

42 ms

search-head.png

search-head.png

42 ms

buttons.png

buttons.png

43 ms

gradient-desc.png

gradient-desc.png

43 ms

gradient-abc.png

gradient-abc.png

46 ms

logo-28.png

logo-28.png

45 ms

logo-29.png

logo-29.png

45 ms

logo-30.png

logo-30.png

44 ms

logo-31.png

logo-31.png

44 ms

logo-23.png

logo-23.png

47 ms

logo-24.png

logo-24.png

46 ms

logo-25.png

logo-25.png

48 ms

logo-26.png

logo-26.png

47 ms

logo-27.png

logo-27.png

62 ms

logo-18.png

logo-18.png

62 ms

logo-19.png

logo-19.png

63 ms

logo-20.png

logo-20.png

62 ms

logo-21.png

logo-21.png

62 ms

logo-22.png

logo-22.png

62 ms

logo-17.png

logo-17.png

63 ms

tc72-5-0mua_big_thumb.png

tc72-5-0mua_big_thumb.png

98 ms

analytics.js

analytics.js

35 ms

addthis_widget.js

addthis_widget.js

27 ms

logo-16.png

logo-16.png

63 ms

logo-15.png

logo-15.png

64 ms

logo-14.png

logo-14.png

64 ms

logo-10.png

logo-10.png

65 ms

logo-11.png

logo-11.png

93 ms

logo-12.png

logo-12.png

96 ms

logo-13.png

logo-13.png

91 ms

logo-9.png

logo-9.png

84 ms

logo-8.png

logo-8.png

71 ms

logo-7.png

logo-7.png

123 ms

logo-6.png

logo-6.png

117 ms

logo-5.png

logo-5.png

106 ms

logo-1.png

logo-1.png

172 ms

logo-2.png

logo-2.png

154 ms

f12c20a_big_thumb.png

f12c20a_big_thumb.png

65 ms

k10a60d_big_thumb.png

k10a60d_big_thumb.png

66 ms

c1384_big_thumb.png

c1384_big_thumb.png

66 ms

stmicroelectronics-b20nm60_big_thumb.png

stmicroelectronics-b20nm60_big_thumb.png

64 ms

auk-co-ltd-stk0765bf_big_thumb.png

auk-co-ltd-stk0765bf_big_thumb.png

64 ms

fms1616lax-xxex_big_thumb.png

fms1616lax-xxex_big_thumb.png

68 ms

toshiba-semiconductor-2sc2655_big_thumb.png

toshiba-semiconductor-2sc2655_big_thumb.png

66 ms

winbond-electronics-corp-america-w25q16bv_big_thumb.png

winbond-electronics-corp-america-w25q16bv_big_thumb.png

68 ms

analog-intergrations-corporation-aic1720-xxcxx_big_thumb.png

analog-intergrations-corporation-aic1720-xxcxx_big_thumb.png

67 ms

niko-semiconductor-co-ltd-p1203bv_big_thumb.png

niko-semiconductor-co-ltd-p1203bv_big_thumb.png

67 ms

samsung-electronic-s6b0717_big_thumb.png

samsung-electronic-s6b0717_big_thumb.png

66 ms

logo-4.png

logo-4.png

147 ms

logo-3.png

logo-3.png

124 ms

shadow-162x197.png

shadow-162x197.png

120 ms

8910dp12v02_2.jpg

8910dp12v02_2.jpg

194 ms

brand-no-photo_2.jpg

brand-no-photo_2.jpg

186 ms

gtxo-253t_2.jpg

gtxo-253t_2.jpg

176 ms

spc21367_2.jpg

spc21367_2.jpg

172 ms

w25q80bvssig_2.jpg

w25q80bvssig_2.jpg

285 ms

rh305_2.jpg

rh305_2.jpg

265 ms

12n65m5_2.jpg

12n65m5_2.jpg

261 ms

bq24171rgyr_2.jpg

bq24171rgyr_2.jpg

252 ms

cs8151ydpsr7_2.jpg

cs8151ydpsr7_2.jpg

191 ms

1n4005rlg_2.jpg

1n4005rlg_2.jpg

287 ms

jan1n649-1_2.jpg

jan1n649-1_2.jpg

284 ms

collect

collect

41 ms

f.png

f.png

273 ms

f-logo.png

f-logo.png

269 ms

300lo.json

300lo.json

23 ms

all.js&version=v2.0

all.js&version=v2.0

153 ms

plusone.js

plusone.js

65 ms

widgets.js

widgets.js

9 ms

counter.8eb9e83b9fa0d4af1e4f.js

counter.8eb9e83b9fa0d4af1e4f.js

29 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

49 ms

button.831500944bc3eb7ea5276ccdc3f71d2e.js

button.831500944bc3eb7ea5276ccdc3f71d2e.js

79 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

23 ms

shares.json

shares.json

50 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

46 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

60 ms

fastbutton

fastbutton

135 ms

postmessageRelay

postmessageRelay

81 ms

tweet_button.6a78875565a912489e9aef879c881358.en.html

tweet_button.6a78875565a912489e9aef879c881358.en.html

37 ms

121 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

14 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

16 ms

xd_arbiter.php

xd_arbiter.php

61 ms

xd_arbiter.php

xd_arbiter.php

83 ms

ping

ping

129 ms

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

66 ms

api.js

api.js

37 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

56 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

42 ms

like.php

like.php

63 ms

jot

jot

89 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

70 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

73 ms

Accessibility Review

datasheetlib.com accessibility score

87

Accessibility Issues

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

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

datasheetlib.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

datasheetlib.com SEO score

84

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ID

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datasheetlib.com can be misinterpreted by Google and other search engines. Our service has detected that 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 Datasheetlib.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

datasheetlib.com

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