1.8 sec in total
247 ms
1.2 sec
299 ms
Visit scienceteacherprogram.org now to see the best up-to-date Scienceteacher Program content for United States and also check out these interesting facts you probably never knew about scienceteacherprogram.org
Web Resource for Science Teachers - Lesson Plans, Education Info, and Science Lectures
Visit scienceteacherprogram.orgWe analyzed Scienceteacherprogram.org page load time and found that the first response time was 247 ms and then it took 1.5 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.
scienceteacherprogram.org performance score
name
value
score
weighting
Value1.5 s
96/100
10%
Value3.1 s
76/100
25%
Value1.5 s
100/100
10%
Value50 ms
100/100
30%
Value0.056
98/100
15%
Value2.5 s
98/100
10%
247 ms
139 ms
145 ms
141 ms
150 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 93% of them (40 requests) were addressed to the original Scienceteacherprogram.org, 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (888 ms) belongs to the original domain Scienceteacherprogram.org.
Page size can be reduced by 24.6 kB (6%)
407.3 kB
382.7 kB
In fact, the total size of Scienceteacherprogram.org main page is 407.3 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. 35% of websites need less resources to load. Images take 359.1 kB which makes up the majority of the site volume.
Potential reduce by 13.5 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. 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 13.5 kB or 74% of the original size.
Potential reduce by 613 B
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. Scienceteacher Program images are well optimized though.
Potential reduce by 2.6 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 2.6 kB or 13% of the original size.
Potential reduce by 7.9 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. Scienceteacherprogram.org needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 84% of the original size.
Number of requests can be reduced by 10 (24%)
41
31
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scienceteacher Program. 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.
scienceteacherprogram.org
247 ms
columbia.css
139 ms
mm_css_menu.js
145 ms
random.js
141 ms
menu.css
150 ms
1.jpg
120 ms
2.jpg
187 ms
3.jpg
180 ms
4.jpg
119 ms
5.jpg
186 ms
6.jpg
210 ms
7.jpg
194 ms
8.jpg
192 ms
9.jpg
252 ms
10.jpg
258 ms
11.jpg
259 ms
12.jpg
266 ms
13.jpg
266 ms
14.jpg
282 ms
15.jpg
323 ms
16.jpg
331 ms
17.jpg
333 ms
18.jpg
338 ms
19.jpg
339 ms
ga.js
10 ms
header.jpg
347 ms
menu_r1_c1.gif
387 ms
home.gif
395 ms
lessons.gif
397 ms
resources.gif
404 ms
committee.gif
404 ms
events.gif
419 ms
lectures.gif
459 ms
contact.gif
466 ms
spacer.gif
467 ms
description.jpg
478 ms
2014Group.jpg
888 ms
srp.jpg
492 ms
divider.jpg
530 ms
sidenav_bg.jpg
538 ms
donors.jpg
540 ms
__utm.gif
13 ms
__utm.gif
3 ms
scienceteacherprogram.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
scienceteacherprogram.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
scienceteacherprogram.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scienceteacherprogram.org 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 Scienceteacherprogram.org 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.
scienceteacherprogram.org
Open Graph description is not detected on the main page of Scienceteacher Program. 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: