www.tiss.org.tw SEO Report | SEO Site Checkup

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Report generated 4 months ago

https://www.tiss.org.tw

Your general SEO Checkup Score

Archived

79/100

SEO Score

Average SEO score of top 100 sites: 75%

This webpage received an SEO score of 79 out of 100, which is higher than the average score of 75. Our analysis has identified 18 SEO issues that can be addressed to further enhance your website's performance and improve its search engine visibility.

18 Failed

6 Warnings

46 Passed

Issues to fix

HIGH

To provide a good user experience, Google recommends that sites should aim for a Largest Contentful Paint duration of 2.5 seconds or less.

HIGH

Consider using structured data in your webpage as it can help search engines gain a better understanding of your content.

HIGH

To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.

HIGH

Using images in a modern format can significantly reduce the file size and improve the loading speed of a webpage, providing a better user experience and potentially increasing engagement.

HIGH

Consider reducing the HTML size to improve loading times and retain visitors.

HIGH

By creating a custom 404 error page with helpful links and information, users are more likely to stay on the site and continue to explore.

MEDIUM

Add a sitemap file to help search engine crawlers index content more thoroughly and quickly.

MEDIUM

Add a robots.txt file to properly communicate with web crawlers and prevent unwanted access to sensitive content.

MEDIUM

To provide a good user experience, Google recommends that sites should aim for a First Contentful Paint value of 1.8 seconds or less.

MEDIUM

Reducing the JavaScript execution time can result in faster page load times and a smoother user experience, as it allows the browser to render and display the page more quickly.

MEDIUM

Serve properly sized images to reduce page loading times and to improve user's experience.

MEDIUM

Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.

LOW

To protect against spam harvesters, consider hiding or obfuscating email addresses in your page code.

LOW

Using more than 20 HTTP requests on a webpage can negatively impact the loading time.

LOW

This website either lacks a favicon or it has not been referenced properly.

Common SEO issues

Score: 67

Failed: 4

Warnings: 4

Passed: 14

Meta Title Test100% of top 100 sites passed

This webpage is using a title tag.

Text: 首頁 | 國家運動科學中心 | Taiwan Institute of Sports Science

Length: 50 characters

Meta Description Test92% of top 100 sites passed

This webpage is using a meta description tag with a length of 45 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).

Text: 國家運動科學中心 | Taiwan Institute of Sports Science

Length: 45 characters

Google Search Results Preview Test

Desktop version

https://www.tiss.org.tw/首頁 | 國家運動科學中心 | Taiwan Institute of Sports Science國家運動科學中心 | Taiwan Institute of Sports Science

Mobile version

https://www.tiss.org.tw/首頁 | 國家運動科學中心 | Taiwan Institute of Sports Science國家運動科學中心 | Taiwan Institute of Sports Science

Most Common Keywords Test

There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.

20閱讀更多12國家運動科學中心12新聞發佈5最新消息4中心介紹

Keywords Usage Test48% of top 100 sites passed

The most common keywords of this webpage are distributed well across the important HTML tags. This helps search engines to properly identify the topic of this webpage.

Keyword

Title tag

Meta description

Headings

國家運動科學中心

新聞發佈

最新消息

中心介紹

Keywords Cloud Test

continuedoesneliteenableenabledinstitutejavascriptmou簽署newsperformancepromoteproperlyresearchsciencesorrysportssummittaiwanwork下載專區不僅協助國家隊選手中心介紹中心任務中心公告中心出品中心成果中心簡介人物專訪你所不知道的顳顎關節使命與願景促進全民參與運動兒少科普兒童與青少年足球頭頂球訓練建議指引全民皆受惠全部文章公開資訊參訪報告單位介紹國家運動科學中心國家運動科學中心官方網站將無法正常運作國語日報專欄執行長強調明確目標射擊高手尿液肌聯蛋白n端片段年亞洲運動會年夏季世界大學運動會年夏季奧林匹克運動會影音專區從咀嚼到運動表現徵才資訊性平專區成功關鍵心法寶成立周年回顧及未來展望論壇所有影音採購公告推動運動科學研究及應用提升國際運動競爭力新聞發佈更積極推廣運動科學新知最新消息服務信箱法規與制度照護兒童及青少年健康發展照護消防人員守護人民用科學強化運動科普專欄科普海報科普海報下載專區細胞與能量代謝組織概況維生素d對運動員健康影響網站導覽若未啟用計畫內容辦法及要點運動心理運動心理支援都在做什麼運動營養運動營養研究運動生物力運動生理運動生理研究運動科學運動科學導入消防訓練運動科技運動訓練可改善自主神經系統作用嗎運動醫學運動醫學研究運動飲料大解密運科入門篇運科扎根基層運科新角色運科知識閱讀更多陽光維生素預算及決算體力補給站體育署與運科中心公告體能訓練高醫大攜手國家運動科學中心簽署mou

Competitor Domains Test

Heading Tags Test62% of top 100 sites passed

This webpage contains too many H1 tags! H1 tags should re-inforce the intended topic of your page to search engines - too many tags may make the topic less clear, or look like spam tactics. Consider using less than 5 H1 tags.

國語日報專欄-射擊高手成功關鍵心法寶

「陽光維生素」-維生素D對運動員健康影響

國家運動科學中心 2025精英運動表現論壇 El...

從咀嚼到運動表現：你所不知道的顳顎關節

[科普海報]細胞與能量代謝

[科普海報]運動心理支援都在做什麼

運動訓練可改善自主神經系統作用嗎？

運科新角色：尿液肌聯蛋白N端片段

國語日報專欄-體力補給站運動飲料大解密

運科知識+ | EP4【運科入門篇】運動生物力...

Robots.txt Test99% of top 100 sites passed

This website lacks a "robots.txt" file. This file can protect private content from appearing online, save bandwidth, and lower load time on your server. A missing "robots.txt" file also generates additional errors in your apache log whenever robots request one. Read more about the robots.txt file, and how to create one for your site.

Sitemap Test83% of top 100 sites passed

This website lacks a sitemap file! Sitemaps can help robots index your content more thoroughly and quickly. Read more on Google's guidelines for implementing the sitemap protocol.

Image Alt Test78% of top 100 sites passed

This webpage is using "img" tags with empty or missing "alt" attribute!

Responsive Image Test29% of top 100 sites passed

Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.

Image Aspect Ratio Test75% of top 100 sites passed

All image display dimensions match the natural aspect ratio.

Deprecated HTML Tags Test94% of top 100 sites passed

This webpage does not use HTML deprecated tags.

Google Analytics Test72% of top 100 sites passed

This webpage is using Google Analytics.

Favicon Test100% of top 100 sites passed

This website either doesn't have a favicon or this has not been referenced correctly!

Backlinks Test

JS Error Test83% of top 100 sites passed

There are no severe JavaScript errors on this webpage.

Console Errors Test27% of top 100 sites passed

This webpage has some warnings caught by the Chrome DevTools Console!

Charset Declaration Test96% of top 100 sites passed

This webpage has a character encoding declaration.

Content-Type: text/html; charset=utf-8

Speed optimizations

Score: 62

Failed: 7

Warnings: 1

Passed: 12

HTML Page Size Test23% of top 100 sites passed

The size of this webpage's HTML is 4076.51 Kb, and is greater than the average size of 33 Kb! This can lead to slower loading times, lost visitors, and decreased revenue. Good steps to reduce HTML size include: using HTML compression, CSS layouts, external style sheets, and moving javascript to external files.

DOM Size Test56% of top 100 sites passed

The Document Object Model (DOM) of this webpage has 1,030 nodes which is less than the recommended value of 1,500 nodes.

HTML Compression/GZIP Test99% of top 100 sites passed

This webpage is successfully compressed using gzip compression on your code. The HTML code is compressed from 5563.13 Kb to 4076.51 Kb (27% size savings). This helps ensure a faster loading webpage and improved user experience.

Site Loading Speed Test71% of top 100 sites passed

The loading time of this webpage (measured from N. Virginia, US) is around 3.92 seconds and this is under the average loading speed which is 5 seconds.

JS Execution Time Test53% of top 100 sites passed

The JavaScript code used by this webpage is executed in more than 3.5 seconds! When the JavaScript code takes a long time to execute, it slows down the page performance in several ways: longer download times, main thread bottlenecks, delays of "Time To Interactive", memory leaks, etc.

Page Objects Test

This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!

Content size by content type

Content type

Percent

Size

other

69.4 %

7.26 Mb

javascript

13.4 %

1.40 Mb

image

10.0 %

1.05 Mb

css

5.4 %

577.27 Kb

html

1.7 %

178.91 Kb

font

0.2 %

21.67 Kb

Requests by content type

Content type

Percent

Requests

other

46.2 %

image

33.0 %

javascript

9.9 %

html

5.5 %

css

3.3 %

font

2.2 %

Content size by domain

Domain

Percent

Size

tiss.org.tw

84.3 %

8.83 Mb

youtube.com

9.8 %

1.02 Mb

i.ytimg.com

3.7 %

398.73 Kb

jnn-pa.googleapis.com

1.7 %

177.62 Kb

google.com

0.2 %

22.29 Kb

fonts.gstatic.com

0.2 %

21.67 Kb

play.google.com

0.0 %

3.91 Kb

yt3.ggpht.com

0.0 %

2.56 Kb

gstatic.com

0.0 %

2.47 Kb

googleads.g.doubleclick.net

0.0 %

580 B

Other

0.0 %

495 B

Requests by domain

Domain

Percent

Requests

youtube.com

24.2 %

tiss.org.tw

22.0 %

play.google.com

17.6 %

i.ytimg.com

16.5 %

jnn-pa.googleapis.com

8.8 %

googleads.g.doubleclick.net

4.4 %

fonts.gstatic.com

2.2 %

static.doubleclick.net

1.1 %

google.com

1.1 %

yt3.ggpht.com

1.1 %

Other

1.1 %

CDN Usage Test95% of top 100 sites passed

This webpage is not serving all resources (images, javascript and css) from CDNs!

Modern Image Format Test43% of top 100 sites passed

This webpage is not serving images in a modern format! Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.

Image Metadata Test72% of top 100 sites passed

This webpage is not using images with large metadata.

Image Caching Test95% of top 100 sites passed

This website is using cache headers for images and the browsers will display these images from the cache.

JavaScript Caching Test96% of top 100 sites passed

This webpage is using cache headers for all JavaScript resources.

CSS Caching Test98% of top 100 sites passed

This webpage is using cache headers for all CSS resources.

JavaScript Minification Test98% of top 100 sites passed

All JavaScript files used by this webpage are minified.

CSS Minification Test100% of top 100 sites passed

All CSS resources used by this webpage are minified.

Render Blocking Resources Test15% of top 100 sites passed

This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.

URL Redirects Test97% of top 100 sites passed

This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).

Time To First Byte Test99% of top 100 sites passed

The Time To First Byte value of this webpage is 0.191 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.

0.191 s

0.8 s

1.8 s

First Contentful Paint Test90% of top 100 sites passed

The First Contentful Paint value of this webpage is 3.565 seconds. To provide a good user experience, Google recommends that sites should strive to have a First Contentful Paint value of 1.8 seconds or less.

3.565 s

1.8 s

3 s

Largest Contentful Paint Test77% of top 100 sites passed

The Largest Contentful Paint duration of this webpage is 6.37 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.

6.37 s

2.5 s

4 s

Largest Contentful Paint element within the viewport:

<img data-v-59f84fee="" class="SectionBannerItemBg" src="/site/img/banner_home.e4676130.jpg" alt="">

Cumulative Layout Shift Test91% of top 100 sites passed

The CLS score of this webpage is 0.0006. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.

0.0006

0.1

0.25

DOM element which contributes the most to CLS score:

Html:

Score: 0.0005

Server and security

Score: 83

Failed: 2

Warnings: 0

Passed: 4

URL Canonicalization Test93% of top 100 sites passed

https://www.tiss.org.tw/ and https://tiss.org.tw/ resolve to the same URL.

SSL Checker and HTTPS Test100% of top 100 sites passed

This website is successfully using HTTPS, a secure communication protocol over the Internet.

The certificate is not used before the activation date.

The certificate has not expired.

The hostname "www.tiss.org.tw" is correctly listed in the certificate.

The certificate should be trusted by all major web browsers.

The certificate was not revoked.

The certificate was signed with a secure hash.

Certificate Chain:

Server certificate

Common name

*.tiss.org.tw

Organization

Taiwan Institute of Sports Science

Location

Kaohsiung, Taiwan, TW

Subject Alternative Names (SANs)

*.tiss.org.tw, tiss.org.tw

Not valid before

Tue, June 10o 2025, 8:59:15 am (z)

Not valid after

Wed, June 10o 2026, 3:59:59 pm (z)

Signature algorithm

sha256WithRsaEncryption

Issuer

TWCA Secure SSL Certification Authority

Intermediate certificate

Common name

TWCA Secure SSL Certification Authority

Organization

TAIWAN-CA

Location

Not valid before

Mon, October 16o 2023, 9:01:04 am (z)

Not valid after

Wed, October 16o 2030, 3:59:59 pm (z)

Signature algorithm

sha256WithRsaEncryption

Issuer

TWCA Global Root CA

Root certificate

Common name

TWCA Global Root CA

Organization

TAIWAN-CA

Location

Not valid before

Wed, June 27o 2012, 6:28:33 am (z)

Not valid after

Tue, December 31o 2030, 3:59:59 pm (z)

Signature algorithm

sha256WithRsaEncryption

Issuer

TWCA Global Root CA

HTTP2 Test99% of top 100 sites passed

This webpage is using the HTTP/2 protocol.

HSTS Test84% of top 100 sites passed

This webpage is using the Strict-Transport-Security header.

strict-transport-security: max-age=63072000;includesubdomains; preload

Plaintext Emails Test97% of top 100 sites passed

We've found 1 email addresses in your page code! We advise you to protect email links in a way that hides them from the spam harvesters.

Unsafe Cross-Origin Links Test45% of top 100 sites passed

This webpage is using target="_blank" links without rel="noopener" or rel="noreferrer" attribute, which can expose it to performance and security issues!

Mobile usability

Score: 100

Failed: 0

Warnings: 0

Passed: 3

Meta Viewport Test92% of top 100 sites passed

This webpage is using a viewport meta tag.

<meta name="viewport" content="width=device-width, initial-scale=1" />

Media Query Responsive Test98% of top 100 sites passed

This webpage is using CSS media queries, which is the base for responsive design functionalities.

Mobile Snapshot Test

Advanced SEO

Score: 37

Failed: 2

Warnings: 1

Passed: 6

Structured Data Test66% of top 100 sites passed

This webpage doesn't take the advantages of HTML Microdata or JSON-LD specifications in order to use structured data! View Google's guide for getting started with structured data.

Custom 404 Error Page Test80% of top 100 sites passed

This website is not using a custom 404 error page! Default 404 error pages result in a poor experience - it can mislead users into thinking an entire site is down or broken, greatly increases the chance they leave the website entirely, and looks unprofessional. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.

Noindex Tag Test99% of top 100 sites passed

This webpage does not use the noindex meta tag. This means that it can be indexed by search engines.

Canonical Tag Test93% of top 100 sites passed

This webpage does not use the canonical link tag.

Nofollow Tag Test

This webpage does not use the nofollow meta tag. This means that search engines will crawl all links from this webpage.

Disallow Directive Test

This website lacks a "robots.txt" file. This file can protect private content from appearing online, save bandwidth, and lower load on your server. A missing "robots.txt" file also generates additional errors in your apache log whenever robots request one.

Meta Refresh Test98% of top 100 sites passed

This webpage is not using a meta refresh tag.

SPF Records Test94% of top 100 sites passed

This DNS server is using an SPF record.

v=spf1 include:_spf.google.com ~all

Ads.txt Validation Test67% of top 100 sites passed

This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.

Report generated 4 months ago

https://www.tiss.org.tw

Your general SEO Checkup Score

Archived

79/100

SEO Score

Average SEO score of top 100 sites: 75%

18 Failed

6 Warnings

46 Passed

Issues to fix

HIGH

To provide a good user experience, Google recommends that sites should aim for a Largest Contentful Paint duration of 2.5 seconds or less.

HIGH

Consider using structured data in your webpage as it can help search engines gain a better understanding of your content.

HIGH

To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.

HIGH

Using images in a modern format can significantly reduce the file size and improve the loading speed of a webpage, providing a better user experience and potentially increasing engagement.

HIGH

Consider reducing the HTML size to improve loading times and retain visitors.

HIGH

By creating a custom 404 error page with helpful links and information, users are more likely to stay on the site and continue to explore.

MEDIUM

Add a sitemap file to help search engine crawlers index content more thoroughly and quickly.

MEDIUM

Add a robots.txt file to properly communicate with web crawlers and prevent unwanted access to sensitive content.

MEDIUM

To provide a good user experience, Google recommends that sites should aim for a First Contentful Paint value of 1.8 seconds or less.

MEDIUM

Reducing the JavaScript execution time can result in faster page load times and a smoother user experience, as it allows the browser to render and display the page more quickly.

MEDIUM

Serve properly sized images to reduce page loading times and to improve user's experience.

MEDIUM

Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.

LOW

To protect against spam harvesters, consider hiding or obfuscating email addresses in your page code.

LOW

Using more than 20 HTTP requests on a webpage can negatively impact the loading time.

LOW

This website either lacks a favicon or it has not been referenced properly.

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